diff --git a/launcher/InstanceCreationTask.h b/launcher/InstanceCreationTask.h
index 03ee1a7a..380fdf8a 100644
--- a/launcher/InstanceCreationTask.h
+++ b/launcher/InstanceCreationTask.h
@@ -34,7 +34,7 @@ class InstanceCreationTask : public InstanceTask {
     QString getError() const { return m_error_message; }
 
    protected:
-    void setError(QString message) { m_error_message = message; };
+    void setError(const QString& message) { m_error_message = message; };
 
    protected:
     bool m_abort = false;
diff --git a/launcher/InstanceImportTask.cpp b/launcher/InstanceImportTask.cpp
index 8a48873e..352848f0 100644
--- a/launcher/InstanceImportTask.cpp
+++ b/launcher/InstanceImportTask.cpp
@@ -41,6 +41,7 @@
 #include "MMCZip.h"
 #include "NullInstance.h"
 
+#include "QObjectPtr.h"
 #include "icons/IconList.h"
 #include "icons/IconUtils.h"
 
@@ -260,7 +261,7 @@ void InstanceImportTask::extractFinished()
 
 void InstanceImportTask::processFlame()
 {
-    FlameCreationTask* inst_creation_task = nullptr;
+    shared_qobject_ptr<FlameCreationTask> inst_creation_task = nullptr;
     if (!m_extra_info.isEmpty()) {
         auto pack_id_it = m_extra_info.constFind("pack_id");
         Q_ASSERT(pack_id_it != m_extra_info.constEnd());
@@ -275,10 +276,10 @@ void InstanceImportTask::processFlame()
         if (original_instance_id_it != m_extra_info.constEnd())
             original_instance_id = original_instance_id_it.value();
 
-        inst_creation_task = new FlameCreationTask(m_stagingPath, m_globalSettings, m_parent, pack_id, pack_version_id, original_instance_id);
+        inst_creation_task = makeShared<FlameCreationTask>(m_stagingPath, m_globalSettings, m_parent, pack_id, pack_version_id, original_instance_id);
     } else {
         // FIXME: Find a way to get IDs in directly imported ZIPs
-        inst_creation_task = new FlameCreationTask(m_stagingPath, m_globalSettings, m_parent, {}, {});
+        inst_creation_task = makeShared<FlameCreationTask>(m_stagingPath, m_globalSettings, m_parent, QString(), QString());
     }
 
     inst_creation_task->setName(*this);
@@ -286,20 +287,19 @@ void InstanceImportTask::processFlame()
     inst_creation_task->setGroup(m_instGroup);
     inst_creation_task->setConfirmUpdate(shouldConfirmUpdate());
     
-    connect(inst_creation_task, &Task::succeeded, this, [this, inst_creation_task] {
+    connect(inst_creation_task.get(), &Task::succeeded, this, [this, inst_creation_task] {
         setOverride(inst_creation_task->shouldOverride(), inst_creation_task->originalInstanceID());
         emitSucceeded();
     });
-    connect(inst_creation_task, &Task::failed, this, &InstanceImportTask::emitFailed);
-    connect(inst_creation_task, &Task::progress, this, &InstanceImportTask::setProgress);
-    connect(inst_creation_task, &Task::stepProgress, this, &InstanceImportTask::propogateStepProgress);
-    connect(inst_creation_task, &Task::status, this, &InstanceImportTask::setStatus);
-    connect(inst_creation_task, &Task::details, this, &InstanceImportTask::setDetails);
-    connect(inst_creation_task, &Task::finished, inst_creation_task, &InstanceCreationTask::deleteLater);
+    connect(inst_creation_task.get(), &Task::failed, this, &InstanceImportTask::emitFailed);
+    connect(inst_creation_task.get(), &Task::progress, this, &InstanceImportTask::setProgress);
+    connect(inst_creation_task.get(), &Task::stepProgress, this, &InstanceImportTask::propogateStepProgress);
+    connect(inst_creation_task.get(), &Task::status, this, &InstanceImportTask::setStatus);
+    connect(inst_creation_task.get(), &Task::details, this, &InstanceImportTask::setDetails);
 
-    connect(this, &Task::aborted, inst_creation_task, &InstanceCreationTask::abort);
-    connect(inst_creation_task, &Task::aborted, this, &Task::abort);
-    connect(inst_creation_task, &Task::abortStatusChanged, this, &Task::setAbortable);
+    connect(this, &Task::aborted, inst_creation_task.get(), &InstanceCreationTask::abort);
+    connect(inst_creation_task.get(), &Task::aborted, this, &Task::abort);
+    connect(inst_creation_task.get(), &Task::abortStatusChanged, this, &Task::setAbortable);
 
     inst_creation_task->start();
 }
diff --git a/launcher/minecraft/MinecraftInstance.cpp b/launcher/minecraft/MinecraftInstance.cpp
index 35bef05e..2c624a36 100644
--- a/launcher/minecraft/MinecraftInstance.cpp
+++ b/launcher/minecraft/MinecraftInstance.cpp
@@ -1109,79 +1109,79 @@ JavaVersion MinecraftInstance::getJavaVersion()
     return JavaVersion(settings()->get("JavaVersion").toString());
 }
 
-std::shared_ptr<ModFolderModel> MinecraftInstance::loaderModList() const
+std::shared_ptr<ModFolderModel> MinecraftInstance::loaderModList()
 {
     if (!m_loader_mod_list)
     {
         bool is_indexed = !APPLICATION->settings()->get("ModMetadataDisabled").toBool();
-        m_loader_mod_list.reset(new ModFolderModel(modsRoot(), shared_from_this(), is_indexed));
+        m_loader_mod_list.reset(new ModFolderModel(modsRoot(), this, is_indexed));
         m_loader_mod_list->disableInteraction(isRunning());
         connect(this, &BaseInstance::runningStatusChanged, m_loader_mod_list.get(), &ModFolderModel::disableInteraction);
     }
     return m_loader_mod_list;
 }
 
-std::shared_ptr<ModFolderModel> MinecraftInstance::coreModList() const
+std::shared_ptr<ModFolderModel> MinecraftInstance::coreModList()
 {
     if (!m_core_mod_list)
     {
         bool is_indexed = !APPLICATION->settings()->get("ModMetadataDisabled").toBool();
-        m_core_mod_list.reset(new ModFolderModel(coreModsDir(), shared_from_this(), is_indexed));
+        m_core_mod_list.reset(new ModFolderModel(coreModsDir(), this, is_indexed));
         m_core_mod_list->disableInteraction(isRunning());
         connect(this, &BaseInstance::runningStatusChanged, m_core_mod_list.get(), &ModFolderModel::disableInteraction);
     }
     return m_core_mod_list;
 }
 
-std::shared_ptr<ModFolderModel> MinecraftInstance::nilModList() const
+std::shared_ptr<ModFolderModel> MinecraftInstance::nilModList()
 {
     if (!m_nil_mod_list)
     {
         bool is_indexed = !APPLICATION->settings()->get("ModMetadataDisabled").toBool();
-        m_nil_mod_list.reset(new ModFolderModel(nilModsDir(), shared_from_this(), is_indexed, false));
+        m_nil_mod_list.reset(new ModFolderModel(nilModsDir(), this, is_indexed, false));
         m_nil_mod_list->disableInteraction(isRunning());
         connect(this, &BaseInstance::runningStatusChanged, m_nil_mod_list.get(), &ModFolderModel::disableInteraction);
     }
     return m_nil_mod_list;
 }
 
-std::shared_ptr<ResourcePackFolderModel> MinecraftInstance::resourcePackList() const
+std::shared_ptr<ResourcePackFolderModel> MinecraftInstance::resourcePackList()
 {
     if (!m_resource_pack_list)
     {
-        m_resource_pack_list.reset(new ResourcePackFolderModel(resourcePacksDir(), shared_from_this()));
+        m_resource_pack_list.reset(new ResourcePackFolderModel(resourcePacksDir(), this));
     }
     return m_resource_pack_list;
 }
 
-std::shared_ptr<TexturePackFolderModel> MinecraftInstance::texturePackList() const
+std::shared_ptr<TexturePackFolderModel> MinecraftInstance::texturePackList()
 {
     if (!m_texture_pack_list)
     {
-        m_texture_pack_list.reset(new TexturePackFolderModel(texturePacksDir(), shared_from_this()));
+        m_texture_pack_list.reset(new TexturePackFolderModel(texturePacksDir(), this));
     }
     return m_texture_pack_list;
 }
 
-std::shared_ptr<ShaderPackFolderModel> MinecraftInstance::shaderPackList() const
+std::shared_ptr<ShaderPackFolderModel> MinecraftInstance::shaderPackList()
 {
     if (!m_shader_pack_list)
     {
-        m_shader_pack_list.reset(new ShaderPackFolderModel(shaderPacksDir(), shared_from_this()));
+        m_shader_pack_list.reset(new ShaderPackFolderModel(shaderPacksDir(), this));
     }
     return m_shader_pack_list;
 }
 
-std::shared_ptr<WorldList> MinecraftInstance::worldList() const
+std::shared_ptr<WorldList> MinecraftInstance::worldList()
 {
     if (!m_world_list)
     {
-        m_world_list.reset(new WorldList(worldDir(), shared_from_this()));
+        m_world_list.reset(new WorldList(worldDir(), this));
     }
     return m_world_list;
 }
 
-std::shared_ptr<GameOptions> MinecraftInstance::gameOptionsModel() const
+std::shared_ptr<GameOptions> MinecraftInstance::gameOptionsModel()
 {
     if (!m_game_options)
     {
diff --git a/launcher/minecraft/MinecraftInstance.h b/launcher/minecraft/MinecraftInstance.h
index a75fa481..068b3008 100644
--- a/launcher/minecraft/MinecraftInstance.h
+++ b/launcher/minecraft/MinecraftInstance.h
@@ -115,14 +115,14 @@ public:
     std::shared_ptr<PackProfile> getPackProfile() const;
 
     //////  Mod Lists  //////
-    std::shared_ptr<ModFolderModel> loaderModList() const;
-    std::shared_ptr<ModFolderModel> coreModList() const;
-    std::shared_ptr<ModFolderModel> nilModList() const;
-    std::shared_ptr<ResourcePackFolderModel> resourcePackList() const;
-    std::shared_ptr<TexturePackFolderModel> texturePackList() const;
-    std::shared_ptr<ShaderPackFolderModel> shaderPackList() const;
-    std::shared_ptr<WorldList> worldList() const;
-    std::shared_ptr<GameOptions> gameOptionsModel() const;
+    std::shared_ptr<ModFolderModel> loaderModList();
+    std::shared_ptr<ModFolderModel> coreModList();
+    std::shared_ptr<ModFolderModel> nilModList();
+    std::shared_ptr<ResourcePackFolderModel> resourcePackList();
+    std::shared_ptr<TexturePackFolderModel> texturePackList();
+    std::shared_ptr<ShaderPackFolderModel> shaderPackList();
+    std::shared_ptr<WorldList> worldList();
+    std::shared_ptr<GameOptions> gameOptionsModel();
 
     //////  Launch stuff //////
     Task::Ptr createUpdateTask(Net::Mode mode) override;
diff --git a/launcher/minecraft/WorldList.cpp b/launcher/minecraft/WorldList.cpp
index df6b4ecc..0feee299 100644
--- a/launcher/minecraft/WorldList.cpp
+++ b/launcher/minecraft/WorldList.cpp
@@ -45,7 +45,7 @@
 #include <QFileSystemWatcher>
 #include <QDebug>
 
-WorldList::WorldList(const QString &dir, std::shared_ptr<const BaseInstance> instance)
+WorldList::WorldList(const QString &dir, BaseInstance* instance)
     : QAbstractListModel(), m_instance(instance), m_dir(dir)
 {
     FS::ensureFolderPathExists(m_dir.absolutePath());
diff --git a/launcher/minecraft/WorldList.h b/launcher/minecraft/WorldList.h
index 10fb4e3c..96b64193 100644
--- a/launcher/minecraft/WorldList.h
+++ b/launcher/minecraft/WorldList.h
@@ -50,7 +50,7 @@ public:
         IconFileRole
     };
 
-    WorldList(const QString &dir, std::shared_ptr<const BaseInstance> instance);
+    WorldList(const QString &dir, BaseInstance* instance);
 
     virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
 
@@ -128,7 +128,7 @@ signals:
     void changed();
 
 protected:
-    std::shared_ptr<const BaseInstance> m_instance;
+    BaseInstance* m_instance;
     QFileSystemWatcher *m_watcher;
     bool is_watching;
     QDir m_dir;
diff --git a/launcher/minecraft/mod/ModFolderModel.cpp b/launcher/minecraft/mod/ModFolderModel.cpp
index 6ae25d33..5e3b31e0 100644
--- a/launcher/minecraft/mod/ModFolderModel.cpp
+++ b/launcher/minecraft/mod/ModFolderModel.cpp
@@ -54,7 +54,7 @@
 #include "minecraft/mod/tasks/ModFolderLoadTask.h"
 #include "modplatform/ModIndex.h"
 
-ModFolderModel::ModFolderModel(const QString& dir, std::shared_ptr<const BaseInstance> instance, bool is_indexed, bool create_dir)
+ModFolderModel::ModFolderModel(const QString& dir, BaseInstance* instance, bool is_indexed, bool create_dir)
     : ResourceFolderModel(QDir(dir), instance, nullptr, create_dir), m_is_indexed(is_indexed)
 {
     m_column_sort_keys = { SortType::ENABLED, SortType::NAME, SortType::VERSION, SortType::DATE, SortType::PROVIDER };
diff --git a/launcher/minecraft/mod/ModFolderModel.h b/launcher/minecraft/mod/ModFolderModel.h
index 46f5087f..d337fe29 100644
--- a/launcher/minecraft/mod/ModFolderModel.h
+++ b/launcher/minecraft/mod/ModFolderModel.h
@@ -75,7 +75,7 @@ public:
         Enable,
         Toggle
     };
-    ModFolderModel(const QString &dir, std::shared_ptr<const BaseInstance> instance, bool is_indexed = false, bool create_dir = true);
+    ModFolderModel(const QString &dir, BaseInstance* instance, bool is_indexed = false, bool create_dir = true);
 
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 
diff --git a/launcher/minecraft/mod/ResourceFolderModel.cpp b/launcher/minecraft/mod/ResourceFolderModel.cpp
index e1973468..d2d875e4 100644
--- a/launcher/minecraft/mod/ResourceFolderModel.cpp
+++ b/launcher/minecraft/mod/ResourceFolderModel.cpp
@@ -16,7 +16,7 @@
 
 #include "tasks/Task.h"
 
-ResourceFolderModel::ResourceFolderModel(QDir dir, std::shared_ptr<const BaseInstance> instance, QObject* parent, bool create_dir)
+ResourceFolderModel::ResourceFolderModel(QDir dir, BaseInstance* instance, QObject* parent, bool create_dir)
     : QAbstractListModel(parent), m_dir(dir), m_instance(instance), m_watcher(this)
 {
     if (create_dir) {
diff --git a/launcher/minecraft/mod/ResourceFolderModel.h b/launcher/minecraft/mod/ResourceFolderModel.h
index fdf5f331..0a35e1bc 100644
--- a/launcher/minecraft/mod/ResourceFolderModel.h
+++ b/launcher/minecraft/mod/ResourceFolderModel.h
@@ -26,7 +26,7 @@ class QSortFilterProxyModel;
 class ResourceFolderModel : public QAbstractListModel {
     Q_OBJECT
    public:
-    ResourceFolderModel(QDir, std::shared_ptr<const BaseInstance>, QObject* parent = nullptr, bool create_dir = true);
+    ResourceFolderModel(QDir, BaseInstance* instance, QObject* parent = nullptr, bool create_dir = true);
     ~ResourceFolderModel() override;
 
     /** Starts watching the paths for changes.
@@ -191,7 +191,7 @@ class ResourceFolderModel : public QAbstractListModel {
     bool m_can_interact = true;
 
     QDir m_dir;
-    std::shared_ptr<const BaseInstance> m_instance;
+    BaseInstance* m_instance;
     QFileSystemWatcher m_watcher;
     bool m_is_watching = false;
 
diff --git a/launcher/minecraft/mod/ResourcePackFolderModel.cpp b/launcher/minecraft/mod/ResourcePackFolderModel.cpp
index 6eba4e2e..c12d1f23 100644
--- a/launcher/minecraft/mod/ResourcePackFolderModel.cpp
+++ b/launcher/minecraft/mod/ResourcePackFolderModel.cpp
@@ -45,7 +45,7 @@
 #include "minecraft/mod/tasks/BasicFolderLoadTask.h"
 #include "minecraft/mod/tasks/LocalResourcePackParseTask.h"
 
-ResourcePackFolderModel::ResourcePackFolderModel(const QString& dir, std::shared_ptr<const BaseInstance> instance)
+ResourcePackFolderModel::ResourcePackFolderModel(const QString& dir, BaseInstance* instance)
     : ResourceFolderModel(QDir(dir), instance)
 {
     m_column_sort_keys = { SortType::ENABLED, SortType::NAME, SortType::PACK_FORMAT, SortType::DATE };
diff --git a/launcher/minecraft/mod/ResourcePackFolderModel.h b/launcher/minecraft/mod/ResourcePackFolderModel.h
index 66d5a074..db4b14fb 100644
--- a/launcher/minecraft/mod/ResourcePackFolderModel.h
+++ b/launcher/minecraft/mod/ResourcePackFolderModel.h
@@ -17,7 +17,7 @@ public:
         NUM_COLUMNS
     };
 
-    explicit ResourcePackFolderModel(const QString &dir, std::shared_ptr<const BaseInstance> instance);
+    explicit ResourcePackFolderModel(const QString &dir, BaseInstance* instance);
 
     [[nodiscard]] QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
 
diff --git a/launcher/minecraft/mod/ShaderPackFolderModel.h b/launcher/minecraft/mod/ShaderPackFolderModel.h
index 6f3f2811..dc5acf80 100644
--- a/launcher/minecraft/mod/ShaderPackFolderModel.h
+++ b/launcher/minecraft/mod/ShaderPackFolderModel.h
@@ -6,7 +6,7 @@ class ShaderPackFolderModel : public ResourceFolderModel {
     Q_OBJECT
 
    public:
-    explicit ShaderPackFolderModel(const QString& dir, std::shared_ptr<const BaseInstance> instance)
+    explicit ShaderPackFolderModel(const QString& dir, BaseInstance* instance)
         : ResourceFolderModel(QDir(dir), instance)
     {}
 };
diff --git a/launcher/minecraft/mod/TexturePackFolderModel.cpp b/launcher/minecraft/mod/TexturePackFolderModel.cpp
index 1e218537..c6609ed1 100644
--- a/launcher/minecraft/mod/TexturePackFolderModel.cpp
+++ b/launcher/minecraft/mod/TexturePackFolderModel.cpp
@@ -39,7 +39,7 @@
 #include "minecraft/mod/tasks/BasicFolderLoadTask.h"
 #include "minecraft/mod/tasks/LocalTexturePackParseTask.h"
 
-TexturePackFolderModel::TexturePackFolderModel(const QString& dir, std::shared_ptr<const BaseInstance> instance)
+TexturePackFolderModel::TexturePackFolderModel(const QString& dir, BaseInstance* instance)
     : ResourceFolderModel(QDir(dir), instance)
 {}
 
diff --git a/launcher/minecraft/mod/TexturePackFolderModel.h b/launcher/minecraft/mod/TexturePackFolderModel.h
index 246997bd..425a71e4 100644
--- a/launcher/minecraft/mod/TexturePackFolderModel.h
+++ b/launcher/minecraft/mod/TexturePackFolderModel.h
@@ -43,7 +43,7 @@ class TexturePackFolderModel : public ResourceFolderModel
     Q_OBJECT
 
 public:
-    explicit TexturePackFolderModel(const QString &dir, std::shared_ptr<const BaseInstance> instance);
+    explicit TexturePackFolderModel(const QString &dir, BaseInstance* instance);
     [[nodiscard]] Task* createUpdateTask() override;
     [[nodiscard]] Task* createParseTask(Resource&) override;
 };
diff --git a/launcher/modplatform/ModIndex.h b/launcher/modplatform/ModIndex.h
index 40f1efc4..8d0223f9 100644
--- a/launcher/modplatform/ModIndex.h
+++ b/launcher/modplatform/ModIndex.h
@@ -23,6 +23,7 @@
 #include <QString>
 #include <QVariant>
 #include <QVector>
+#include <memory>
 
 class QIODevice;
 
@@ -83,6 +84,8 @@ struct ExtraPackData {
 };
 
 struct IndexedPack {
+    using Ptr = std::shared_ptr<IndexedPack>;
+
     QVariant addonId;
     ResourceProvider provider;
     QString name;
diff --git a/launcher/modplatform/flame/FileResolvingTask.cpp b/launcher/modplatform/flame/FileResolvingTask.cpp
index d3a737bb..83db642e 100644
--- a/launcher/modplatform/flame/FileResolvingTask.cpp
+++ b/launcher/modplatform/flame/FileResolvingTask.cpp
@@ -35,7 +35,29 @@ void Flame::FileResolvingTask::executeTask()
     QByteArray data = Json::toText(object);
     auto dl = Net::Upload::makeByteArray(QUrl("https://api.curseforge.com/v1/mods/files"), result.get(), data);
     m_dljob->addNetAction(dl);
-    connect(m_dljob.get(), &NetJob::finished, this, &Flame::FileResolvingTask::netJobFinished);
+
+    auto step_progress = std::make_shared<TaskStepProgress>();
+    connect(m_dljob.get(), &NetJob::finished, this, [this, step_progress]() {
+        step_progress->state = TaskStepState::Succeeded;
+        stepProgress(*step_progress);
+        netJobFinished();
+    });
+    connect(m_dljob.get(), &NetJob::failed, this, [this, step_progress](QString reason) {
+        step_progress->state = TaskStepState::Failed;
+        stepProgress(*step_progress);
+        emitFailed(reason);
+    });
+    connect(m_dljob.get(), &NetJob::stepProgress, this, &FileResolvingTask::propogateStepProgress);
+    connect(m_dljob.get(), &NetJob::progress, this, [this, step_progress](qint64 current, qint64 total) {
+        qDebug() << "Resolve slug progress" << current << total;
+        step_progress->update(current, total);
+        stepProgress(*step_progress);
+    });
+    connect(m_dljob.get(), &NetJob::status, this, [this, step_progress](QString status) {
+        step_progress->status = status;
+        stepProgress(*step_progress);
+    });
+
     m_dljob->start();
 }
 
@@ -44,7 +66,7 @@ void Flame::FileResolvingTask::netJobFinished()
     setProgress(1, 3);
     // job to check modrinth for blocked projects
     m_checkJob.reset(new NetJob("Modrinth check", m_network));
-    blockedProjects = QMap<File *,QByteArray *>();
+    blockedProjects = QMap<File*, std::shared_ptr<QByteArray>>();
 
     QJsonDocument doc;
     QJsonArray array;
@@ -71,8 +93,8 @@ void Flame::FileResolvingTask::netJobFinished()
             auto hash = out.hash;
             if(!hash.isEmpty()) {
                 auto url = QString("https://api.modrinth.com/v2/version_file/%1?algorithm=sha1").arg(hash);
-                auto output = new QByteArray();
-                auto dl = Net::Download::makeByteArray(QUrl(url), output);
+                auto output = std::make_shared<QByteArray>();
+                auto dl = Net::Download::makeByteArray(QUrl(url), output.get());
                 QObject::connect(dl.get(), &Net::Download::succeeded, [&out]() {
                     out.resolved = true;
                 });
@@ -82,7 +104,27 @@ void Flame::FileResolvingTask::netJobFinished()
             }
         }
     }
-    connect(m_checkJob.get(), &NetJob::finished, this, &Flame::FileResolvingTask::modrinthCheckFinished);
+    auto step_progress = std::make_shared<TaskStepProgress>();
+    connect(m_checkJob.get(), &NetJob::finished, this, [this, step_progress]() {
+        step_progress->state = TaskStepState::Succeeded;
+        stepProgress(*step_progress);
+        modrinthCheckFinished();
+    });
+    connect(m_checkJob.get(), &NetJob::failed, this, [this, step_progress](QString reason) {
+        step_progress->state = TaskStepState::Failed;
+        stepProgress(*step_progress);
+        emitFailed(reason);
+    });
+    connect(m_checkJob.get(), &NetJob::stepProgress, this, &FileResolvingTask::propogateStepProgress);
+    connect(m_checkJob.get(), &NetJob::progress, this, [this, step_progress](qint64 current, qint64 total) {
+        qDebug() << "Resolve slug progress" << current << total;
+        step_progress->update(current, total);
+        stepProgress(*step_progress);
+    });
+    connect(m_checkJob.get(), &NetJob::status, this, [this, step_progress](QString status) {
+        step_progress->status = status;
+        stepProgress(*step_progress);
+    });
 
     m_checkJob->start();
 }
@@ -95,7 +137,6 @@ void Flame::FileResolvingTask::modrinthCheckFinished() {
         auto &out = *it;
         auto bytes = blockedProjects[out];
         if (!out->resolved) {
-            delete bytes;
             continue;
         }
 
@@ -112,11 +153,9 @@ void Flame::FileResolvingTask::modrinthCheckFinished() {
         } else {
             out->resolved = false;
         }
-
-        delete bytes;
     }
     //copy to an output list and filter out projects found on modrinth
-    auto block = new QList<File *>();
+    auto block = std::make_shared<QList<File*>>();
     auto it = blockedProjects.keys();
     std::copy_if(it.begin(), it.end(), std::back_inserter(*block), [](File *f) {
         return !f->resolved;
@@ -124,32 +163,48 @@ void Flame::FileResolvingTask::modrinthCheckFinished() {
     //Display not found mods early
     if (!block->empty()) {
         //blocked mods found, we need the slug for displaying.... we need another job :D !
-        auto slugJob = new NetJob("Slug Job", m_network);
-        auto slugs = QVector<QByteArray>(block->size());
-        auto index = 0;
-        for (auto fileInfo: *block) {
-            auto projectId = fileInfo->projectId;
-            slugs[index] = QByteArray();
+        m_slugJob.reset(new NetJob("Slug Job", m_network));
+        int index = 0;
+        for (auto mod : *block) {
+            auto projectId = mod->projectId;
+            auto output = std::make_shared<QByteArray>();
             auto url = QString("https://api.curseforge.com/v1/mods/%1").arg(projectId);
-            auto dl = Net::Download::makeByteArray(url, &slugs[index]);
-            slugJob->addNetAction(dl);
-            index++;
-        }
-        connect(slugJob, &NetJob::succeeded, this, [slugs, this, slugJob, block]() {
-            slugJob->deleteLater();
-            auto index = 0;
-            for (const auto &slugResult: slugs) {
-                auto json = QJsonDocument::fromJson(slugResult);
+            auto dl = Net::Download::makeByteArray(url, output.get());
+            qDebug() << "Fetching url slug for file:" << mod->fileName;
+            QObject::connect(dl.get(), &Net::Download::succeeded, [block, index, output]() {
+                auto mod = block->at(index);  // use the shared_ptr so it is captured and only freed when we are done
+                auto json = QJsonDocument::fromJson(*output);
                 auto base = Json::requireString(Json::requireObject(Json::requireObject(Json::requireObject(json),"data"),"links"),
                         "websiteUrl");
-                auto mod = block->at(index);
                 auto link = QString("%1/download/%2").arg(base, QString::number(mod->fileId));
                 mod->websiteUrl = link;
-                index++;
-            }
+            });
+            m_slugJob->addNetAction(dl);
+            index++;
+        }
+        auto step_progress = std::make_shared<TaskStepProgress>();
+        connect(m_slugJob.get(), &NetJob::succeeded, this, [this, step_progress]() {
+            step_progress->state = TaskStepState::Succeeded;
+            stepProgress(*step_progress);
             emitSucceeded();
         });
-        slugJob->start();
+        connect(m_slugJob.get(), &NetJob::failed, this, [this, step_progress](QString reason) {
+            step_progress->state = TaskStepState::Failed;
+            stepProgress(*step_progress);
+            emitFailed(reason);
+        });
+        connect(m_slugJob.get(), &NetJob::stepProgress, this, &FileResolvingTask::propogateStepProgress);
+        connect(m_slugJob.get(), &NetJob::progress, this, [this, step_progress](qint64 current, qint64 total) {
+            qDebug() << "Resolve slug progress" << current << total;
+            step_progress->update(current, total);
+            stepProgress(*step_progress);
+        });
+        connect(m_slugJob.get(), &NetJob::status, this, [this, step_progress](QString status) {
+            step_progress->status = status;
+            stepProgress(*step_progress);
+        });
+
+        m_slugJob->start();
     } else {
         emitSucceeded();
     }
diff --git a/launcher/modplatform/flame/FileResolvingTask.h b/launcher/modplatform/flame/FileResolvingTask.h
index 8fc17ea9..c280827a 100644
--- a/launcher/modplatform/flame/FileResolvingTask.h
+++ b/launcher/modplatform/flame/FileResolvingTask.h
@@ -1,41 +1,37 @@
 #pragma once
 
-#include "tasks/Task.h"
-#include "net/NetJob.h"
 #include "PackManifest.h"
+#include "net/NetJob.h"
+#include "tasks/Task.h"
 
-namespace Flame
-{
-class FileResolvingTask : public Task
-{
+namespace Flame {
+class FileResolvingTask : public Task {
     Q_OBJECT
-public:
-    explicit FileResolvingTask(const shared_qobject_ptr<QNetworkAccessManager>& network, Flame::Manifest &toProcess);
-    virtual ~FileResolvingTask() {};
+   public:
+    explicit FileResolvingTask(const shared_qobject_ptr<QNetworkAccessManager>& network, Flame::Manifest& toProcess);
+    virtual ~FileResolvingTask(){};
 
     bool canAbort() const override { return true; }
     bool abort() override;
 
-    const Flame::Manifest &getResults() const
-    {
-        return m_toProcess;
-    }
+    const Flame::Manifest& getResults() const { return m_toProcess; }
 
-protected:
+   protected:
     virtual void executeTask() override;
 
-protected slots:
+   protected slots:
     void netJobFinished();
 
-private: /* data */
+   private: /* data */
     shared_qobject_ptr<QNetworkAccessManager> m_network;
     Flame::Manifest m_toProcess;
-	std::shared_ptr<QByteArray> result;
+    std::shared_ptr<QByteArray> result;
     NetJob::Ptr m_dljob;
-	NetJob::Ptr m_checkJob;
+    NetJob::Ptr m_checkJob;
+    NetJob::Ptr m_slugJob;
 
     void modrinthCheckFinished();
 
-    QMap<File *, QByteArray *> blockedProjects;
+    QMap<File*, std::shared_ptr<QByteArray>> blockedProjects;
 };
-}
+}  // namespace Flame
diff --git a/launcher/modplatform/flame/FlameAPI.cpp b/launcher/modplatform/flame/FlameAPI.cpp
index 5ef9a409..92590a08 100644
--- a/launcher/modplatform/flame/FlameAPI.cpp
+++ b/launcher/modplatform/flame/FlameAPI.cpp
@@ -38,14 +38,14 @@ auto FlameAPI::getModFileChangelog(int modId, int fileId) -> QString
     QEventLoop lock;
     QString changelog;
 
-    auto* netJob = new NetJob(QString("Flame::FileChangelog"), APPLICATION->network());
-    auto* response = new QByteArray();
+    auto netJob = makeShared<NetJob>(QString("Flame::FileChangelog"), APPLICATION->network());
+    auto response = std::make_shared<QByteArray>();
     netJob->addNetAction(Net::Download::makeByteArray(
         QString("https://api.curseforge.com/v1/mods/%1/files/%2/changelog")
             .arg(QString::fromStdString(std::to_string(modId)), QString::fromStdString(std::to_string(fileId))),
-        response));
+        response.get()));
 
-    QObject::connect(netJob, &NetJob::succeeded, [netJob, response, &changelog] {
+    QObject::connect(netJob.get(), &NetJob::succeeded, [&netJob, response, &changelog] {
         QJsonParseError parse_error{};
         QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
         if (parse_error.error != QJsonParseError::NoError) {
@@ -60,10 +60,7 @@ auto FlameAPI::getModFileChangelog(int modId, int fileId) -> QString
         changelog = Json::ensureString(doc.object(), "data");
     });
 
-    QObject::connect(netJob, &NetJob::finished, [response, &lock] {
-        delete response;
-        lock.quit();
-    });
+    QObject::connect(netJob.get(), &NetJob::finished, [&lock] { lock.quit(); });
 
     netJob->start();
     lock.exec();
@@ -76,13 +73,12 @@ auto FlameAPI::getModDescription(int modId) -> QString
     QEventLoop lock;
     QString description;
 
-    auto* netJob = new NetJob(QString("Flame::ModDescription"), APPLICATION->network());
-    auto* response = new QByteArray();
+    auto netJob = makeShared<NetJob>(QString("Flame::ModDescription"), APPLICATION->network());
+    auto response = std::make_shared<QByteArray>();
     netJob->addNetAction(Net::Download::makeByteArray(
-        QString("https://api.curseforge.com/v1/mods/%1/description")
-            .arg(QString::number(modId)), response));
+        QString("https://api.curseforge.com/v1/mods/%1/description").arg(QString::number(modId)), response.get()));
 
-    QObject::connect(netJob, &NetJob::succeeded, [netJob, response, &description] {
+    QObject::connect(netJob.get(), &NetJob::succeeded, [&netJob, response, &description] {
         QJsonParseError parse_error{};
         QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
         if (parse_error.error != QJsonParseError::NoError) {
@@ -97,10 +93,7 @@ auto FlameAPI::getModDescription(int modId) -> QString
         description = Json::ensureString(doc.object(), "data");
     });
 
-    QObject::connect(netJob, &NetJob::finished, [response, &lock] {
-        delete response;
-        lock.quit();
-    });
+    QObject::connect(netJob.get(), &NetJob::finished, [&lock] { lock.quit(); });
 
     netJob->start();
     lock.exec();
@@ -118,13 +111,13 @@ auto FlameAPI::getLatestVersion(VersionSearchArgs&& args) -> ModPlatform::Indexe
 
     QEventLoop loop;
 
-    auto netJob = new NetJob(QString("Flame::GetLatestVersion(%1)").arg(args.pack.name), APPLICATION->network());
-    auto response = new QByteArray();
+    auto netJob = makeShared<NetJob>(QString("Flame::GetLatestVersion(%1)").arg(args.pack.name), APPLICATION->network());
+    auto response = std::make_shared<QByteArray>();
     ModPlatform::IndexedVersion ver;
 
-    netJob->addNetAction(Net::Download::makeByteArray(versions_url, response));
+    netJob->addNetAction(Net::Download::makeByteArray(versions_url, response.get()));
 
-    QObject::connect(netJob, &NetJob::succeeded, [response, args, &ver] {
+    QObject::connect(netJob.get(), &NetJob::succeeded, [response, args, &ver] {
         QJsonParseError parse_error{};
         QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
         if (parse_error.error != QJsonParseError::NoError) {
@@ -158,11 +151,7 @@ auto FlameAPI::getLatestVersion(VersionSearchArgs&& args) -> ModPlatform::Indexe
         }
     });
 
-    QObject::connect(netJob, &NetJob::finished, [response, netJob, &loop] {
-        netJob->deleteLater();
-        delete response;
-        loop.quit();
-    });
+    QObject::connect(netJob.get(), &NetJob::finished, [&loop] { loop.quit(); });
 
     netJob->start();
 
diff --git a/launcher/modplatform/flame/FlameInstanceCreationTask.cpp b/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
index 86fd2ab4..dae93d1c 100644
--- a/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
+++ b/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
@@ -384,6 +384,7 @@ bool FlameCreationTask::createInstance()
     connect(m_mod_id_resolver.get(), &Flame::FileResolvingTask::progress, this, &FlameCreationTask::setProgress);
     connect(m_mod_id_resolver.get(), &Flame::FileResolvingTask::status, this, &FlameCreationTask::setStatus);
     connect(m_mod_id_resolver.get(), &Flame::FileResolvingTask::stepProgress, this, &FlameCreationTask::propogateStepProgress);
+    connect(m_mod_id_resolver.get(), &Flame::FileResolvingTask::details, this, &FlameCreationTask::setDetails);
     m_mod_id_resolver->start();
 
     loop.exec();
diff --git a/launcher/modplatform/helpers/NetworkResourceAPI.cpp b/launcher/modplatform/helpers/NetworkResourceAPI.cpp
index 010ac15e..a3c592fd 100644
--- a/launcher/modplatform/helpers/NetworkResourceAPI.cpp
+++ b/launcher/modplatform/helpers/NetworkResourceAPI.cpp
@@ -24,7 +24,7 @@ Task::Ptr NetworkResourceAPI::searchProjects(SearchArgs&& args, SearchCallbacks&
 
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(search_url), response));
 
-    QObject::connect(netJob.get(), &NetJob::succeeded, [=]{
+    QObject::connect(netJob.get(), &NetJob::succeeded, [this, response, callbacks]{
         QJsonParseError parse_error{};
         QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
         if (parse_error.error != QJsonParseError::NoError) {
@@ -40,16 +40,20 @@ Task::Ptr NetworkResourceAPI::searchProjects(SearchArgs&& args, SearchCallbacks&
         callbacks.on_succeed(doc);
     });
 
-    QObject::connect(netJob.get(), &NetJob::failed, [=](QString reason){
+    QObject::connect(netJob.get(), &NetJob::failed, [&netJob, callbacks](QString reason){
         int network_error_code = -1;
         if (auto* failed_action = netJob->getFailedActions().at(0); failed_action && failed_action->m_reply)
             network_error_code = failed_action->m_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
 
        callbacks.on_fail(reason, network_error_code); 
     });
-    QObject::connect(netJob.get(), &NetJob::aborted, [=]{
+    QObject::connect(netJob.get(), &NetJob::aborted, [callbacks]{
        callbacks.on_abort(); 
     });
+    QObject::connect(netJob.get(), &NetJob::finished, [response] {
+        delete response;
+    });
+
 
     return netJob;
 }
@@ -88,7 +92,7 @@ Task::Ptr NetworkResourceAPI::getProjectVersions(VersionSearchArgs&& args, Versi
 
     netJob->addNetAction(Net::Download::makeByteArray(versions_url, response));
 
-    QObject::connect(netJob.get(), &NetJob::succeeded, [=] {
+    QObject::connect(netJob.get(), &NetJob::succeeded, [response, callbacks, args] {
         QJsonParseError parse_error{};
         QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
         if (parse_error.error != QJsonParseError::NoError) {
diff --git a/launcher/net/Download.cpp b/launcher/net/Download.cpp
index cd3fcc85..7f8d3a06 100644
--- a/launcher/net/Download.cpp
+++ b/launcher/net/Download.cpp
@@ -134,11 +134,14 @@ void Download::executeTask()
             request.setRawHeader("Authorization", token.toUtf8());
     }
 
+#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
+    request.setTransferTimeout();
+#endif
+
     m_last_progress_time = m_clock.now();
     m_last_progress_bytes = 0;
 
     QNetworkReply* rep = m_network->get(request);
-
     m_reply.reset(rep);
     connect(rep, &QNetworkReply::downloadProgress, this, &Download::downloadProgress);
     connect(rep, &QNetworkReply::finished, this, &Download::downloadFinished);
diff --git a/launcher/tasks/ConcurrentTask.cpp b/launcher/tasks/ConcurrentTask.cpp
index fae2f3dc..5ee14505 100644
--- a/launcher/tasks/ConcurrentTask.cpp
+++ b/launcher/tasks/ConcurrentTask.cpp
@@ -138,7 +138,7 @@ void ConcurrentTask::startNext()
     connect(next.get(), &Task::progress, this, [this, next](qint64 current, qint64 total) { subTaskProgress(next, current, total); });
 
     m_doing.insert(next.get(), next);
-    auto task_progress = std::make_shared<TaskStepProgress>(TaskStepProgress({ next->getUid() }));
+    auto task_progress = std::make_shared<TaskStepProgress>(next->getUid());
     m_task_progress.insert(next->getUid(), task_progress);
 
     updateState();
@@ -166,9 +166,9 @@ void ConcurrentTask::subTaskSucceeded(Task::Ptr task)
 
     disconnect(task.get(), 0, this, 0);
 
-    emit stepProgress(*task_progress.get());
+    emit stepProgress(*task_progress);
     updateState();
-    updateStepProgress(*task_progress.get(), Operation::REMOVED);
+    updateStepProgress(*task_progress, Operation::REMOVED);
     startNext();
 }
 
@@ -184,9 +184,9 @@ void ConcurrentTask::subTaskFailed(Task::Ptr task, const QString& msg)
 
     disconnect(task.get(), 0, this, 0);
 
-    emit stepProgress(*task_progress.get());
+    emit stepProgress(*task_progress);
     updateState();
-    updateStepProgress(*task_progress.get(), Operation::REMOVED);
+    updateStepProgress(*task_progress, Operation::REMOVED);
     startNext();
 }
 
@@ -196,7 +196,7 @@ void ConcurrentTask::subTaskStatus(Task::Ptr task, const QString& msg)
     task_progress->status = msg;
     task_progress->state = TaskStepState::Running;
     
-    emit stepProgress(*task_progress.get());
+    emit stepProgress(*task_progress);
 
     if (totalSize() == 1) {
         setStatus(msg);
@@ -209,7 +209,7 @@ void ConcurrentTask::subTaskDetails(Task::Ptr task, const QString& msg)
     task_progress->details = msg;
     task_progress->state = TaskStepState::Running;
     
-    emit stepProgress(*task_progress.get());
+    emit stepProgress(*task_progress);
 
     if (totalSize() == 1) {
         setDetails(msg);
@@ -220,15 +220,10 @@ void ConcurrentTask::subTaskProgress(Task::Ptr task, qint64 current, qint64 tota
 {
     auto task_progress = m_task_progress.value(task->getUid());
 
-    task_progress->old_current = task_progress->current;
-    task_progress->old_total = task_progress->old_total;
-
-    task_progress->current = current;
-    task_progress->total = total;
-    task_progress->state = TaskStepState::Running;
-    
-    emit stepProgress(*task_progress.get());
-    updateStepProgress(*task_progress.get(), Operation::CHANGED);
+    task_progress->update(current, total);
+        
+    emit stepProgress(*task_progress);
+    updateStepProgress(*task_progress, Operation::CHANGED);
     updateState();
 
     if (totalSize() == 1) {
diff --git a/launcher/tasks/Task.cpp b/launcher/tasks/Task.cpp
index b0addd46..29c55cd4 100644
--- a/launcher/tasks/Task.cpp
+++ b/launcher/tasks/Task.cpp
@@ -109,7 +109,7 @@ void Task::start()
             return;
         }
     }
-    // NOTE: only fall thorugh to here in end states
+    // NOTE: only fall through to here in end states
     m_state = State::Running;
     emit started();
     executeTask();
diff --git a/launcher/tasks/Task.h b/launcher/tasks/Task.h
index 799ed945..6d8bbbb4 100644
--- a/launcher/tasks/Task.h
+++ b/launcher/tasks/Task.h
@@ -64,7 +64,21 @@ struct TaskStepProgress {
     QString status = "";
     QString details = "";
     TaskStepState state = TaskStepState::Waiting;
+    TaskStepProgress() {
+        this->uid = QUuid::createUuid();
+    }
+    TaskStepProgress(QUuid uid) {
+        this->uid = uid;
+    }
     bool isDone() const { return (state == TaskStepState::Failed) || (state == TaskStepState::Succeeded); }
+    void update(qint64 current, qint64 total) {
+        this->old_current = this->current;
+        this->old_total = this->total;
+
+        this->current = current;
+        this->total = total;
+        this->state = TaskStepState::Running;
+    }
 };
 
 Q_DECLARE_METATYPE(TaskStepProgress)
diff --git a/launcher/ui/dialogs/NewInstanceDialog.cpp b/launcher/ui/dialogs/NewInstanceDialog.cpp
index 64ed7673..aafaf220 100644
--- a/launcher/ui/dialogs/NewInstanceDialog.cpp
+++ b/launcher/ui/dialogs/NewInstanceDialog.cpp
@@ -99,7 +99,7 @@ NewInstanceDialog::NewInstanceDialog(const QString & initialGroup, const QString
     // NOTE: m_buttons must be initialized before PageContainer, because it indirectly accesses m_buttons through setSuggestedPack! Do not move this below.
     m_buttons = new QDialogButtonBox(QDialogButtonBox::Help | QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
 
-    m_container = new PageContainer(this);
+    m_container = new PageContainer(this, {}, this);
     m_container->setSizePolicy(QSizePolicy::Policy::Preferred, QSizePolicy::Policy::Expanding);
     m_container->layout()->setContentsMargins(0, 0, 0, 0);
     ui->verticalLayout->insertWidget(2, m_container);
diff --git a/launcher/ui/dialogs/ResourceDownloadDialog.cpp b/launcher/ui/dialogs/ResourceDownloadDialog.cpp
index edb7d063..d2a8d33e 100644
--- a/launcher/ui/dialogs/ResourceDownloadDialog.cpp
+++ b/launcher/ui/dialogs/ResourceDownloadDialog.cpp
@@ -89,7 +89,7 @@ void ResourceDownloadDialog::reject()
 // won't work with subclasses if we put it in this ctor.
 void ResourceDownloadDialog::initializeContainer()
 {
-    m_container = new PageContainer(this);
+    m_container = new PageContainer(this, {}, this);
     m_container->setSizePolicy(QSizePolicy::Policy::Preferred, QSizePolicy::Policy::Expanding);
     m_container->layout()->setContentsMargins(0, 0, 0, 0);
     m_vertical_layout.addWidget(m_container);
diff --git a/launcher/ui/pages/instance/ManagedPackPage.cpp b/launcher/ui/pages/instance/ManagedPackPage.cpp
index dc983d9a..d0701a7a 100644
--- a/launcher/ui/pages/instance/ManagedPackPage.cpp
+++ b/launcher/ui/pages/instance/ManagedPackPage.cpp
@@ -30,8 +30,6 @@ class NoBigComboBoxStyle : public QProxyStyle {
     Q_OBJECT
 
    public:
-    NoBigComboBoxStyle(QStyle* style) : QProxyStyle(style) {}
-
     // clang-format off
     int styleHint(QStyle::StyleHint hint, const QStyleOption* option = nullptr, const QWidget* widget = nullptr, QStyleHintReturn* returnData = nullptr) const override
     {
@@ -41,6 +39,37 @@ class NoBigComboBoxStyle : public QProxyStyle {
         return QProxyStyle::styleHint(hint, option, widget, returnData);
     }
     // clang-format on
+
+    /**
+     * Something about QProxyStyle and QStyle objects means they can't be free'd just
+     * because all the widgets using them are gone.
+     * They seems to be tied to the QApplicaiton lifecycle.
+     * So make singletons tied to the lifetime of the application to clean them up and ensure they aren't
+     * being remade over and over again, thus leaking memory.
+     */
+   public:
+    static NoBigComboBoxStyle* getInstance(QStyle* style)
+    {
+        static QHash<QStyle*, NoBigComboBoxStyle*> s_singleton_instances_ = {};
+        static std::mutex s_singleton_instances_mutex_;
+
+        std::lock_guard<std::mutex> lock(s_singleton_instances_mutex_);
+        auto inst_iter = s_singleton_instances_.constFind(style);
+        NoBigComboBoxStyle* inst = nullptr;
+        if (inst_iter == s_singleton_instances_.constEnd() || *inst_iter == nullptr) {
+            inst = new NoBigComboBoxStyle(style);
+            inst->setParent(APPLICATION);
+            s_singleton_instances_.insert(style, inst);
+            qDebug() << "QProxyStyle NoBigComboBox created for" << style->objectName() << style;
+        } else {
+            inst = *inst_iter;
+        }
+        return inst;
+    }
+
+   private:
+    NoBigComboBoxStyle(QStyle* style) : QProxyStyle(style) {}
+
 };
 
 ManagedPackPage* ManagedPackPage::createPage(BaseInstance* inst, QString type, QWidget* parent)
@@ -62,8 +91,10 @@ ManagedPackPage::ManagedPackPage(BaseInstance* inst, InstanceWindow* instance_wi
 
     // NOTE: GTK2 themes crash with the proxy style.
     // This seems like an upstream bug, so there's not much else that can be done.
-    if (!QStyleFactory::keys().contains("gtk2"))
-        ui->versionsComboBox->setStyle(new NoBigComboBoxStyle(ui->versionsComboBox->style()));
+    if (!QStyleFactory::keys().contains("gtk2")){
+        auto comboStyle = NoBigComboBoxStyle::getInstance(ui->versionsComboBox->style());
+        ui->versionsComboBox->setStyle(comboStyle);
+    }
 
     ui->reloadButton->setVisible(false);
     connect(ui->reloadButton, &QPushButton::clicked, this, [this](bool){
diff --git a/launcher/ui/pages/instance/VersionPage.cpp b/launcher/ui/pages/instance/VersionPage.cpp
index fffb96f2..74b7ec7c 100644
--- a/launcher/ui/pages/instance/VersionPage.cpp
+++ b/launcher/ui/pages/instance/VersionPage.cpp
@@ -165,7 +165,7 @@ VersionPage::VersionPage(MinecraftInstance *inst, QWidget *parent)
     auto proxy = new IconProxy(ui->packageView);
     proxy->setSourceModel(m_profile.get());
 
-    m_filterModel = new QSortFilterProxyModel();
+    m_filterModel = new QSortFilterProxyModel(this);
     m_filterModel->setDynamicSortFilter(true);
     m_filterModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
     m_filterModel->setSortCaseSensitivity(Qt::CaseInsensitive);
diff --git a/launcher/ui/pages/modplatform/ModModel.cpp b/launcher/ui/pages/modplatform/ModModel.cpp
index 3ffe6cb0..afd8b292 100644
--- a/launcher/ui/pages/modplatform/ModModel.cpp
+++ b/launcher/ui/pages/modplatform/ModModel.cpp
@@ -36,7 +36,7 @@ ResourceAPI::SearchArgs ModModel::createSearchArguments()
 
 ResourceAPI::VersionSearchArgs ModModel::createVersionsArguments(QModelIndex& entry)
 {
-    auto& pack = m_packs[entry.row()];
+    auto& pack = *m_packs[entry.row()];
     auto profile = static_cast<MinecraftInstance const&>(m_base_instance).getPackProfile();
 
     Q_ASSERT(profile);
@@ -51,7 +51,7 @@ ResourceAPI::VersionSearchArgs ModModel::createVersionsArguments(QModelIndex& en
 
 ResourceAPI::ProjectInfoArgs ModModel::createInfoArguments(QModelIndex& entry)
 {
-    auto& pack = m_packs[entry.row()];
+    auto& pack = *m_packs[entry.row()];
     return { pack };
 }
 
diff --git a/launcher/ui/pages/modplatform/ModPage.h b/launcher/ui/pages/modplatform/ModPage.h
index c3b58cd6..4ea55efa 100644
--- a/launcher/ui/pages/modplatform/ModPage.h
+++ b/launcher/ui/pages/modplatform/ModPage.h
@@ -41,8 +41,6 @@ class ModPage : public ResourcePage {
         return page;
     }
 
-    ~ModPage() override = default;
-
     //: The plural version of 'mod'
     [[nodiscard]] inline QString resourcesString() const override { return tr("mods"); }
     //: The singular version of 'mods'
diff --git a/launcher/ui/pages/modplatform/ResourceModel.cpp b/launcher/ui/pages/modplatform/ResourceModel.cpp
index db7d26f8..472aa851 100644
--- a/launcher/ui/pages/modplatform/ResourceModel.cpp
+++ b/launcher/ui/pages/modplatform/ResourceModel.cpp
@@ -9,6 +9,7 @@
 #include <QMessageBox>
 #include <QPixmapCache>
 #include <QUrl>
+#include <memory>
 
 #include "Application.h"
 #include "BuildConfig.h"
@@ -45,16 +46,16 @@ auto ResourceModel::data(const QModelIndex& index, int role) const -> QVariant
     auto pack = m_packs.at(pos);
     switch (role) {
         case Qt::ToolTipRole: {
-            if (pack.description.length() > 100) {
+            if (pack->description.length() > 100) {
                 // some magic to prevent to long tooltips and replace html linebreaks
-                QString edit = pack.description.left(97);
+                QString edit = pack->description.left(97);
                 edit = edit.left(edit.lastIndexOf("<br>")).left(edit.lastIndexOf(" ")).append("...");
                 return edit;
             }
-            return pack.description;
+            return pack->description;
         }
         case Qt::DecorationRole: {
-            if (auto icon_or_none = const_cast<ResourceModel*>(this)->getIcon(const_cast<QModelIndex&>(index), pack.logoUrl);
+            if (auto icon_or_none = const_cast<ResourceModel*>(this)->getIcon(const_cast<QModelIndex&>(index), pack->logoUrl);
                 icon_or_none.has_value())
                 return icon_or_none.value();
 
@@ -64,16 +65,16 @@ auto ResourceModel::data(const QModelIndex& index, int role) const -> QVariant
             return QSize(0, 58);
         case Qt::UserRole: {
             QVariant v;
-            v.setValue(pack);
+            v.setValue(*pack);
             return v;
         }
             // Custom data
         case UserDataTypes::TITLE:
-            return pack.name;
+            return pack->name;
         case UserDataTypes::DESCRIPTION:
-            return pack.description;
+            return pack->description;
         case UserDataTypes::SELECTED:
-            return pack.isAnyVersionSelected();
+            return pack->isAnyVersionSelected();
         default:
             break;
     }
@@ -102,7 +103,7 @@ bool ResourceModel::setData(const QModelIndex& index, const QVariant& value, int
     if (pos >= m_packs.size() || pos < 0 || !index.isValid())
         return false;
 
-    m_packs[pos] = value.value<ModPlatform::IndexedPack>();
+    m_packs[pos] = std::make_shared<ModPlatform::IndexedPack>(value.value<ModPlatform::IndexedPack>());
     emit dataChanged(index, index);
 
     return true;
@@ -161,7 +162,7 @@ void ResourceModel::loadEntry(QModelIndex& entry)
     if (!hasActiveInfoJob())
         m_current_info_job.clear();
 
-    if (!pack.versionsLoaded) {
+    if (!pack->versionsLoaded) {
         auto args{ createVersionsArguments(entry) };
         auto callbacks{ createVersionsCallbacks(entry) };
 
@@ -177,7 +178,7 @@ void ResourceModel::loadEntry(QModelIndex& entry)
             runInfoJob(job);
     }
 
-    if (!pack.extraDataLoaded) {
+    if (!pack->extraDataLoaded) {
         auto args{ createInfoArguments(entry) };
         auto callbacks{ createInfoCallbacks(entry) };
 
@@ -229,7 +230,7 @@ void ResourceModel::clearData()
 
 void ResourceModel::runSearchJob(Task::Ptr ptr)
 {
-    m_current_search_job = ptr;
+    m_current_search_job.reset(ptr); // clean up first
     m_current_search_job->start();
 }
 void ResourceModel::runInfoJob(Task::Ptr ptr)
@@ -326,15 +327,15 @@ void ResourceModel::loadIndexedPackVersions(ModPlatform::IndexedPack&, QJsonArra
 
 void ResourceModel::searchRequestSucceeded(QJsonDocument& doc)
 {
-    QList<ModPlatform::IndexedPack> newList;
+    QList<ModPlatform::IndexedPack::Ptr> newList;
     auto packs = documentToArray(doc);
 
     for (auto packRaw : packs) {
         auto packObj = packRaw.toObject();
 
-        ModPlatform::IndexedPack pack;
+        ModPlatform::IndexedPack::Ptr pack = std::make_shared<ModPlatform::IndexedPack>();
         try {
-            loadIndexedPack(pack, packObj);
+            loadIndexedPack(*pack, packObj);
             newList.append(pack);
         } catch (const JSONValidationError& e) {
             qWarning() << "Error while loading resource from " << debugName() << ": " << e.cause();
diff --git a/launcher/ui/pages/modplatform/ResourceModel.h b/launcher/ui/pages/modplatform/ResourceModel.h
index 46a02d6e..1ec42cda 100644
--- a/launcher/ui/pages/modplatform/ResourceModel.h
+++ b/launcher/ui/pages/modplatform/ResourceModel.h
@@ -123,7 +123,7 @@ class ResourceModel : public QAbstractListModel {
     QSet<QUrl> m_currently_running_icon_actions;
     QSet<QUrl> m_failed_icon_actions;
 
-    QList<ModPlatform::IndexedPack> m_packs;
+    QList<ModPlatform::IndexedPack::Ptr> m_packs;
 
     // HACK: We need this to prevent callbacks from calling the model after it has already been deleted.
     // This leaks a tiny bit of memory per time the user has opened a resource dialog. How to make this better?
diff --git a/launcher/ui/pages/modplatform/ResourcePackModel.cpp b/launcher/ui/pages/modplatform/ResourcePackModel.cpp
index 3df9a787..18c14bf8 100644
--- a/launcher/ui/pages/modplatform/ResourcePackModel.cpp
+++ b/launcher/ui/pages/modplatform/ResourcePackModel.cpp
@@ -22,13 +22,13 @@ ResourceAPI::SearchArgs ResourcePackResourceModel::createSearchArguments()
 ResourceAPI::VersionSearchArgs ResourcePackResourceModel::createVersionsArguments(QModelIndex& entry)
 {
     auto& pack = m_packs[entry.row()];
-    return { pack };
+    return { *pack };
 }
 
 ResourceAPI::ProjectInfoArgs ResourcePackResourceModel::createInfoArguments(QModelIndex& entry)
 {
     auto& pack = m_packs[entry.row()];
-    return { pack };
+    return { *pack };
 }
 
 void ResourcePackResourceModel::searchWithTerm(const QString& term, unsigned int sort)
diff --git a/launcher/ui/pages/modplatform/ResourcePackPage.h b/launcher/ui/pages/modplatform/ResourcePackPage.h
index c01c89c4..8c5cf08b 100644
--- a/launcher/ui/pages/modplatform/ResourcePackPage.h
+++ b/launcher/ui/pages/modplatform/ResourcePackPage.h
@@ -31,8 +31,6 @@ class ResourcePackResourcePage : public ResourcePage {
         return page;
     }
 
-    ~ResourcePackResourcePage() override = default;
-
     //: The plural version of 'resource pack'
     [[nodiscard]] inline QString resourcesString() const override { return tr("resource packs"); }
     //: The singular version of 'resource packs'
diff --git a/launcher/ui/pages/modplatform/ResourcePage.cpp b/launcher/ui/pages/modplatform/ResourcePage.cpp
index bbd465bc..f75bb886 100644
--- a/launcher/ui/pages/modplatform/ResourcePage.cpp
+++ b/launcher/ui/pages/modplatform/ResourcePage.cpp
@@ -83,6 +83,8 @@ ResourcePage::ResourcePage(ResourceDownloadDialog* parent, BaseInstance& base_in
 ResourcePage::~ResourcePage()
 {
     delete m_ui;
+    if (m_model)
+        delete m_model;
 }
 
 void ResourcePage::retranslate()
diff --git a/launcher/ui/pages/modplatform/ShaderPackModel.cpp b/launcher/ui/pages/modplatform/ShaderPackModel.cpp
index 2101b394..aabd3be6 100644
--- a/launcher/ui/pages/modplatform/ShaderPackModel.cpp
+++ b/launcher/ui/pages/modplatform/ShaderPackModel.cpp
@@ -22,13 +22,13 @@ ResourceAPI::SearchArgs ShaderPackResourceModel::createSearchArguments()
 ResourceAPI::VersionSearchArgs ShaderPackResourceModel::createVersionsArguments(QModelIndex& entry)
 {
     auto& pack = m_packs[entry.row()];
-    return { pack };
+    return { *pack };
 }
 
 ResourceAPI::ProjectInfoArgs ShaderPackResourceModel::createInfoArguments(QModelIndex& entry)
 {
     auto& pack = m_packs[entry.row()];
-    return { pack };
+    return { *pack };
 }
 
 void ShaderPackResourceModel::searchWithTerm(const QString& term, unsigned int sort)
diff --git a/launcher/ui/pages/modplatform/ShaderPackPage.h b/launcher/ui/pages/modplatform/ShaderPackPage.h
index 972419a8..9039c4d9 100644
--- a/launcher/ui/pages/modplatform/ShaderPackPage.h
+++ b/launcher/ui/pages/modplatform/ShaderPackPage.h
@@ -31,8 +31,6 @@ class ShaderPackResourcePage : public ResourcePage {
         return page;
     }
 
-    ~ShaderPackResourcePage() override = default;
-
     //: The plural version of 'shader pack'
     [[nodiscard]] inline QString resourcesString() const override { return tr("shader packs"); }
     //: The singular version of 'shader packs'
diff --git a/launcher/ui/widgets/PageContainer.cpp b/launcher/ui/widgets/PageContainer.cpp
index 0a06a351..b9b17b42 100644
--- a/launcher/ui/widgets/PageContainer.cpp
+++ b/launcher/ui/widgets/PageContainer.cpp
@@ -87,7 +87,9 @@ PageContainer::PageContainer(BasePageProvider *pageProvider, QString defaultId,
     auto pages = pageProvider->getPages();
     for (auto page : pages)
     {
-        page->stackIndex = m_pageStack->addWidget(dynamic_cast<QWidget *>(page));
+        auto widget = dynamic_cast<QWidget *>(page);
+        widget->setParent(this);
+        page->stackIndex = m_pageStack->addWidget(widget);
         page->listIndex = counter;
         page->setParentContainer(this);
         counter++;
diff --git a/libraries/katabasis/src/Reply.cpp b/libraries/katabasis/src/Reply.cpp
index 3e27a7e6..c2607900 100644
--- a/libraries/katabasis/src/Reply.cpp
+++ b/libraries/katabasis/src/Reply.cpp
@@ -40,6 +40,8 @@ void ReplyList::remove(QNetworkReply *reply) {
     if (o2Reply) {
         o2Reply->stop();
         (void)replies_.removeOne(o2Reply);
+        // we took ownership, we must free
+        delete o2Reply;
     }
 }
 
diff --git a/tests/ResourceFolderModel_test.cpp b/tests/ResourceFolderModel_test.cpp
index 054d81c4..962d89f1 100644
--- a/tests/ResourceFolderModel_test.cpp
+++ b/tests/ResourceFolderModel_test.cpp
@@ -90,9 +90,7 @@ slots:
 
             QEventLoop loop;
 
-            InstancePtr instance;
-
-            ModFolderModel m(tempDir.path(), instance, true);
+            ModFolderModel m(tempDir.path(), nullptr, true);
 
             connect(&m, &ModFolderModel::updateFinished, &loop, &QEventLoop::quit);
 
@@ -116,8 +114,7 @@ slots:
             QString folder = source + '/';
             QTemporaryDir tempDir;
             QEventLoop loop;
-            InstancePtr instance;
-            ModFolderModel m(tempDir.path(), instance, true);
+            ModFolderModel m(tempDir.path(), nullptr, true);
 
             connect(&m, &ModFolderModel::updateFinished, &loop, &QEventLoop::quit);
 
@@ -140,8 +137,7 @@ slots:
     void test_addFromWatch()
     {
         QString source = QFINDTESTDATA("testdata/ResourceFolderModel");
-        InstancePtr instance;
-        ModFolderModel model(source, instance);
+        ModFolderModel model(source, nullptr);
 
         QCOMPARE(model.size(), 0);
 
@@ -161,9 +157,7 @@ slots:
         QString file_mod = QFINDTESTDATA("testdata/ResourceFolderModel/supercoolmod.jar");
 
         QTemporaryDir tmp;
-        InstancePtr instance;
-
-        ResourceFolderModel model(QDir(tmp.path()), instance);
+        ResourceFolderModel model(QDir(tmp.path()), nullptr);
 
         QCOMPARE(model.size(), 0);
 
@@ -214,8 +208,7 @@ slots:
         QString file_mod = QFINDTESTDATA("testdata/ResourceFolderModel/supercoolmod.jar");
 
         QTemporaryDir tmp;
-        InstancePtr instance;
-        ResourceFolderModel model(tmp.path(), instance);
+        ResourceFolderModel model(tmp.path(), nullptr);
 
         QCOMPARE(model.size(), 0);
 
diff --git a/tests/ResourceModel_test.cpp b/tests/ResourceModel_test.cpp
index 716bf853..c0d9cd95 100644
--- a/tests/ResourceModel_test.cpp
+++ b/tests/ResourceModel_test.cpp
@@ -75,9 +75,9 @@ class ResourceModelTest : public QObject {
         auto search_json = DummyResourceAPI::searchRequestResult();
         auto processed_response = model->documentToArray(search_json).first().toObject();
 
-        QVERIFY(processed_pack.addonId.toString() == Json::requireString(processed_response, "project_id"));
-        QVERIFY(processed_pack.description == Json::requireString(processed_response, "description"));
-        QVERIFY(processed_pack.authors.first().name == Json::requireString(processed_response, "author"));
+        QVERIFY(processed_pack->addonId.toString() == Json::requireString(processed_response, "project_id"));
+        QVERIFY(processed_pack->description == Json::requireString(processed_response, "description"));
+        QVERIFY(processed_pack->authors.first().name == Json::requireString(processed_response, "author"));
     }
 };