diff --git a/launcher/InstanceImportTask.cpp b/launcher/InstanceImportTask.cpp
index 03e942f14..1a13c9973 100644
--- a/launcher/InstanceImportTask.cpp
+++ b/launcher/InstanceImportTask.cpp
@@ -249,6 +249,7 @@ void InstanceImportTask::processFlame()
 
     QString forgeVersion;
     QString fabricVersion;
+    // TODO: is Quilt relevant here?
     for(auto &loader: pack.minecraft.modLoaders)
     {
         auto id = loader.id;
diff --git a/launcher/minecraft/ComponentUpdateTask.cpp b/launcher/minecraft/ComponentUpdateTask.cpp
index 8bc05a1bc..ff7ed0af3 100644
--- a/launcher/minecraft/ComponentUpdateTask.cpp
+++ b/launcher/minecraft/ComponentUpdateTask.cpp
@@ -591,7 +591,7 @@ void ComponentUpdateTask::resolveDependencies(bool checkOnly)
                     {
                         component->m_version = "3.1.2";
                     }
-                    else if (add.uid == "net.fabricmc.intermediary")
+                    else if (add.uid == "net.fabricmc.intermediary" || add.uid == "org.quiltmc.hashed")
                     {
                         auto minecraft = std::find_if(components.begin(), components.end(), [](ComponentPtr & cmp){
                             return cmp->getID() == "net.minecraft";
diff --git a/launcher/minecraft/PackProfile.cpp b/launcher/minecraft/PackProfile.cpp
index d516e5552..d53f41e1b 100644
--- a/launcher/minecraft/PackProfile.cpp
+++ b/launcher/minecraft/PackProfile.cpp
@@ -970,3 +970,20 @@ void PackProfile::disableInteraction(bool disable)
         }
     }
 }
+
+ModAPI::ModLoaderType PackProfile::getModLoader()
+{
+    if (!getComponentVersion("net.minecraftforge").isEmpty())
+    {
+        return ModAPI::Forge;
+    }
+    else if (!getComponentVersion("net.fabricmc.fabric-loader").isEmpty())
+    {
+        return ModAPI::Fabric;
+    }
+    else if (!getComponentVersion("org.quiltmc.quilt-loader").isEmpty())
+    {
+        return ModAPI::Quilt;
+    }
+    return ModAPI::Unspecified;
+}
diff --git a/launcher/minecraft/PackProfile.h b/launcher/minecraft/PackProfile.h
index 989d1c6ae..ab4cd5c88 100644
--- a/launcher/minecraft/PackProfile.h
+++ b/launcher/minecraft/PackProfile.h
@@ -28,6 +28,7 @@
 #include "BaseVersion.h"
 #include "MojangDownloadInfo.h"
 #include "net/Mode.h"
+#include "modplatform/ModAPI.h"
 
 class MinecraftInstance;
 struct PackProfileData;
@@ -117,6 +118,8 @@ public:
     // todo(merged): is this the best approach
     void appendComponent(ComponentPtr component);
 
+    ModAPI::ModLoaderType getModLoader();
+
 private:
     void scheduleSave();
     bool saveIsScheduled() const;
diff --git a/launcher/minecraft/mod/LocalModParseTask.cpp b/launcher/minecraft/mod/LocalModParseTask.cpp
index 757a21874..f01da8aee 100644
--- a/launcher/minecraft/mod/LocalModParseTask.cpp
+++ b/launcher/minecraft/mod/LocalModParseTask.cpp
@@ -391,7 +391,7 @@ void LocalModParseTask::processAsZip()
         zip.close();
         return;
     }
-    else if (zip.setCurrentFile("fabric.mod.json"))
+    else if (zip.setCurrentFile("fabric.mod.json"))  // TODO: Support quilt.mod.json
     {
         if (!file.open(QIODevice::ReadOnly))
         {
diff --git a/launcher/modplatform/ModAPI.h b/launcher/modplatform/ModAPI.h
index ae6ac80f1..1a562172a 100644
--- a/launcher/modplatform/ModAPI.h
+++ b/launcher/modplatform/ModAPI.h
@@ -15,7 +15,7 @@ class ModAPI {
     virtual ~ModAPI() = default;
 
     // https://docs.curseforge.com/?http#tocS_ModLoaderType
-    enum ModLoaderType { Any = 0, Forge = 1, Cauldron = 2, LiteLoader = 3, Fabric = 4 };
+    enum ModLoaderType { Unspecified = 0, Forge = 1, Cauldron = 2, LiteLoader = 3, Fabric = 4, Quilt = 5 };
 
     struct SearchArgs {
         int offset;
@@ -35,4 +35,22 @@ class ModAPI {
     };
 
     virtual void getVersions(CallerType* caller, VersionSearchArgs&& args) const = 0;
+
+    static auto getModLoaderString(ModLoaderType type) -> const QString {
+        switch (type) {
+            case Unspecified:
+                break;
+            case Forge:
+                return "forge";
+            case Cauldron:
+                return "cauldron";
+            case LiteLoader:
+                return "liteloader";
+            case Fabric:
+                return "fabric";
+            case Quilt:
+                return "quilt";
+        }
+        return "";
+    }
 };
diff --git a/launcher/modplatform/flame/FlameModIndex.cpp b/launcher/modplatform/flame/FlameModIndex.cpp
index 2c3adee43..e86b64dd4 100644
--- a/launcher/modplatform/flame/FlameModIndex.cpp
+++ b/launcher/modplatform/flame/FlameModIndex.cpp
@@ -69,6 +69,7 @@ void FlameMod::loadIndexedPackVersions(ModPlatform::IndexedPack& pack,
         for (auto m : modules) {
             auto fname = Json::requireString(m.toObject(), "foldername");
             // FIXME: This does not work properly when a mod supports more than one mod loader, since
+            // FIXME: This also doesn't deal with Quilt mods at the moment
             // they bundle the meta files for all of them in the same arquive, even when that version
             // doesn't support the given mod loader.
             if (hasFabric) {
diff --git a/launcher/modplatform/modrinth/ModrinthAPI.h b/launcher/modplatform/modrinth/ModrinthAPI.h
index 30952e992..eefa4a85e 100644
--- a/launcher/modplatform/modrinth/ModrinthAPI.h
+++ b/launcher/modplatform/modrinth/ModrinthAPI.h
@@ -51,23 +51,16 @@ class ModrinthAPI : public NetworkModAPI {
         return s;
     }
 
-    inline auto getModLoaderString(ModLoaderType modLoader) const -> QString
+    static auto getModLoaderString(ModLoaderType type) -> const QString
     {
-        switch (modLoader) {
-            case Any:
-                return "fabric, forge";
-            case Forge:
-                return "forge";
-            case Fabric:
-                return "fabric";
-            default:
-                return "";
-        }
+        if (type == Unspecified)
+            return "fabric, forge, quilt";
+        return ModAPI::getModLoaderString(type);
     }
 
     inline auto validateModLoader(ModLoaderType modLoader) const -> bool
     {
-        return modLoader == Any || modLoader == Forge || modLoader == Fabric;
+        return modLoader == Unspecified || modLoader == Forge || modLoader == Fabric || modLoader == Quilt;
     }
 
 };
diff --git a/launcher/ui/pages/instance/ModFolderPage.cpp b/launcher/ui/pages/instance/ModFolderPage.cpp
index fcb6022dd..8113fe857 100644
--- a/launcher/ui/pages/instance/ModFolderPage.cpp
+++ b/launcher/ui/pages/instance/ModFolderPage.cpp
@@ -56,6 +56,8 @@
 #include "minecraft/VersionFilterData.h"
 #include "minecraft/PackProfile.h"
 
+#include "modplatform/ModAPI.h"
+
 #include "Version.h"
 #include "ui/dialogs/ProgressDialog.h"
 #include "tasks/SequentialTask.h"
@@ -388,9 +390,8 @@ void ModFolderPage::on_actionInstall_mods_triggered()
     if(m_inst->typeName() != "Minecraft"){
         return; //this is a null instance or a legacy instance
     }
-    bool hasFabric = !((MinecraftInstance *)m_inst)->getPackProfile()->getComponentVersion("net.fabricmc.fabric-loader").isEmpty();
-    bool hasForge = !((MinecraftInstance *)m_inst)->getPackProfile()->getComponentVersion("net.minecraftforge").isEmpty();
-    if (!hasFabric && !hasForge) {
+    auto profile = ((MinecraftInstance *)m_inst)->getPackProfile();
+    if (profile->getModLoader() == ModAPI::Unspecified) {
         QMessageBox::critical(this,tr("Error"),tr("Please install a mod loader first!"));
         return;
     }
diff --git a/launcher/ui/pages/instance/VersionPage.cpp b/launcher/ui/pages/instance/VersionPage.cpp
index ed37dd1a1..23e2367bf 100644
--- a/launcher/ui/pages/instance/VersionPage.cpp
+++ b/launcher/ui/pages/instance/VersionPage.cpp
@@ -243,6 +243,9 @@ void VersionPage::updateVersionControls()
     bool supportsFabric = minecraftVersion >= Version("1.14");
     ui->actionInstall_Fabric->setEnabled(controlsEnabled && supportsFabric);
 
+    bool supportsQuilt = minecraftVersion >= Version("1.14");
+    ui->actionInstall_Quilt->setEnabled(controlsEnabled && supportsQuilt);
+
     bool supportsLiteLoader = minecraftVersion <= Version("1.12.2");
     ui->actionInstall_LiteLoader->setEnabled(controlsEnabled && supportsLiteLoader);
 
@@ -392,7 +395,7 @@ void VersionPage::on_actionChange_version_triggered()
         return;
     }
     VersionSelectDialog vselect(list.get(), tr("Change %1 version").arg(name), this);
-    if (uid == "net.fabricmc.intermediary")
+    if (uid == "net.fabricmc.intermediary" || uid == "org.quiltmc.hashed")
     {
         vselect.setEmptyString(tr("No intermediary mappings versions are currently available."));
         vselect.setEmptyErrorString(tr("Couldn't load or download the intermediary mappings version lists!"));
@@ -498,6 +501,33 @@ void VersionPage::on_actionInstall_Fabric_triggered()
     }
 }
 
+void VersionPage::on_actionInstall_Quilt_triggered()
+{
+    auto vlist = APPLICATION->metadataIndex()->get("org.quiltmc.quilt-loader");
+    if(!vlist)
+    {
+        return;
+    }
+    VersionSelectDialog vselect(vlist.get(), tr("Select Quilt Loader version"), this);
+    vselect.setEmptyString(tr("No Quilt Loader versions are currently available."));
+    vselect.setEmptyErrorString(tr("Couldn't load or download the Quilt Loader version lists!"));
+
+    auto currentVersion = m_profile->getComponentVersion("org.quiltmc.quilt-loader");
+    if(!currentVersion.isEmpty())
+    {
+        vselect.setCurrentVersion(currentVersion);
+    }
+
+    if (vselect.exec() && vselect.selectedVersion())
+    {
+        auto vsn = vselect.selectedVersion();
+        m_profile->setComponentVersion("org.quiltmc.quilt-loader", vsn->descriptor());
+        m_profile->resolve(Net::Mode::Online);
+        preselect(m_profile->rowCount(QModelIndex())-1);
+        m_container->refreshContainer();
+    }
+}
+
 void VersionPage::on_actionAdd_Empty_triggered()
 {
     NewComponentDialog compdialog(QString(), QString(), this);
diff --git a/launcher/ui/pages/instance/VersionPage.h b/launcher/ui/pages/instance/VersionPage.h
index 2d37af43e..979311fcf 100644
--- a/launcher/ui/pages/instance/VersionPage.h
+++ b/launcher/ui/pages/instance/VersionPage.h
@@ -73,6 +73,7 @@ private slots:
     void on_actionChange_version_triggered();
     void on_actionInstall_Forge_triggered();
     void on_actionInstall_Fabric_triggered();
+    void on_actionInstall_Quilt_triggered();
     void on_actionAdd_Empty_triggered();
     void on_actionInstall_LiteLoader_triggered();
     void on_actionReload_triggered();
diff --git a/launcher/ui/pages/instance/VersionPage.ui b/launcher/ui/pages/instance/VersionPage.ui
index a4990ff3d..489f72188 100644
--- a/launcher/ui/pages/instance/VersionPage.ui
+++ b/launcher/ui/pages/instance/VersionPage.ui
@@ -107,6 +107,7 @@
    <addaction name="separator"/>
    <addaction name="actionInstall_Forge"/>
    <addaction name="actionInstall_Fabric"/>
+   <addaction name="actionInstall_Quilt"/>
    <addaction name="actionInstall_LiteLoader"/>
    <addaction name="actionInstall_mods"/>
    <addaction name="separator"/>
@@ -192,6 +193,14 @@
     <string>Install the Fabric Loader package.</string>
    </property>
   </action>
+  <action name="actionInstall_Quilt">
+   <property name="text">
+    <string>Install Quilt</string>
+   </property>
+   <property name="toolTip">
+    <string>Install the Quilt Loader package.</string>
+   </property>
+  </action>
   <action name="actionInstall_LiteLoader">
    <property name="text">
     <string>Install LiteLoader</string>
diff --git a/launcher/ui/pages/modplatform/ModModel.cpp b/launcher/ui/pages/modplatform/ModModel.cpp
index 01b5d247f..f75d2847f 100644
--- a/launcher/ui/pages/modplatform/ModModel.cpp
+++ b/launcher/ui/pages/modplatform/ModModel.cpp
@@ -61,14 +61,18 @@ auto ListModel::data(const QModelIndex& index, int role) const -> QVariant
 
 void ListModel::requestModVersions(ModPlatform::IndexedPack const& current)
 {
+    auto profile = (dynamic_cast<MinecraftInstance*>((dynamic_cast<ModPage*>(parent()))->m_instance))->getPackProfile();
+
     m_parent->apiProvider()->getVersions(this,
-            { current.addonId.toString(), getMineVersions(), hasFabric() ? ModAPI::ModLoaderType::Fabric : ModAPI::ModLoaderType::Forge });
+            { current.addonId.toString(), getMineVersions(), profile->getModLoader() });
 }
 
 void ListModel::performPaginatedSearch()
 {
+    auto profile = (dynamic_cast<MinecraftInstance*>((dynamic_cast<ModPage*>(parent()))->m_instance))->getPackProfile();
+
     m_parent->apiProvider()->searchMods(this,
-            { nextSearchOffset, currentSearchTerm, getSorts()[currentSort], hasFabric() ? ModAPI::Fabric : ModAPI::Forge, getMineVersions().at(0) });
+            { nextSearchOffset, currentSearchTerm, getSorts()[currentSort], profile->getModLoader(), getMineVersions().at(0) });
 }
 
 void ListModel::searchWithTerm(const QString& term, const int sort)
@@ -218,13 +222,6 @@ void ListModel::versionRequestSucceeded(QJsonDocument doc, QString addonId)
 }  // namespace ModPlatform
 
 /******** Helpers ********/
-auto ModPlatform::ListModel::hasFabric() const -> bool
-{
-    return !(dynamic_cast<MinecraftInstance*>((dynamic_cast<ModPage*>(parent()))->m_instance))
-                ->getPackProfile()
-                ->getComponentVersion("net.fabricmc.fabric-loader")
-                .isEmpty();
-}
 
 auto ModPlatform::ListModel::getMineVersions() const -> QList<QString>
 {
diff --git a/launcher/ui/pages/modplatform/ModModel.h b/launcher/ui/pages/modplatform/ModModel.h
index 64cfa71e2..dbadbeee6 100644
--- a/launcher/ui/pages/modplatform/ModModel.h
+++ b/launcher/ui/pages/modplatform/ModModel.h
@@ -62,7 +62,6 @@ class ListModel : public QAbstractListModel {
 
     void requestLogo(QString file, QString url);
 
-    inline auto hasFabric() const -> bool;
     inline auto getMineVersions() const -> QList<QString>;
 
    protected:
diff --git a/launcher/ui/pages/modplatform/ModPage.cpp b/launcher/ui/pages/modplatform/ModPage.cpp
index 3a116d3c7..eabd83792 100644
--- a/launcher/ui/pages/modplatform/ModPage.cpp
+++ b/launcher/ui/pages/modplatform/ModPage.cpp
@@ -68,7 +68,7 @@ void ModPage::onSelectionChanged(QModelIndex first, QModelIndex second)
         text = name;
     else
         text = "<a href=\"" + current.websiteUrl + "\">" + name + "</a>";
-    
+
     if (!current.authors.empty()) {
         auto authorToStr = [](ModPlatform::ModpackAuthor& author) -> QString {
             if (author.url.isEmpty()) { return author.name; }
@@ -128,7 +128,7 @@ void ModPage::onModSelected()
 
 void ModPage::retranslate()
 {
-   ui->retranslateUi(this); 
+   ui->retranslateUi(this);
 }
 
 void ModPage::updateModVersions()
@@ -136,13 +136,14 @@ void ModPage::updateModVersions()
     auto packProfile = (dynamic_cast<MinecraftInstance*>(m_instance))->getPackProfile();
 
     QString mcVersion = packProfile->getComponentVersion("net.minecraft");
-    QString loaderString = (packProfile->getComponentVersion("net.minecraftforge").isEmpty()) ? "fabric" : "forge";
+
+    QString loaderString = ModAPI::getModLoaderString(packProfile->getModLoader());
 
     for (int i = 0; i < current.versions.size(); i++) {
         auto version = current.versions[i];
         //NOTE: Flame doesn't care about loaderString, so passing it changes nothing.
-        if (!validateVersion(version, mcVersion, loaderString)) { 
-            continue; 
+        if (!validateVersion(version, mcVersion, loaderString)) {
+            continue;
         }
         ui->versionSelectionBox->addItem(version.version, QVariant(i));
     }