diff --git a/loader/include/Geode/loader/ModSettingsManager.hpp b/loader/include/Geode/loader/ModSettingsManager.hpp
index 36b8ac34..6281bf7b 100644
--- a/loader/include/Geode/loader/ModSettingsManager.hpp
+++ b/loader/include/Geode/loader/ModSettingsManager.hpp
@@ -9,6 +9,10 @@ namespace geode {
         class Impl;
         std::unique_ptr<Impl> m_impl;
 
+        friend class ::geode::SettingV3;
+
+        void markRestartRequired();
+
     public:
         static ModSettingsManager* from(Mod* mod);
 
@@ -42,5 +46,11 @@ namespace geode {
         std::shared_ptr<SettingV3> get(std::string_view key);
         std::shared_ptr<SettingValue> getLegacy(std::string_view key);
         std::optional<Setting> getLegacyDefinition(std::string_view key);
+
+        /**
+         * Returns true if any setting with the `"restart-required"` attribute 
+         * has been altered
+         */
+        bool restartRequired() const;
     };
 }
diff --git a/loader/include/Geode/loader/SettingEvent.hpp b/loader/include/Geode/loader/SettingEvent.hpp
index 7ad33fe1..b84b7884 100644
--- a/loader/include/Geode/loader/SettingEvent.hpp
+++ b/loader/include/Geode/loader/SettingEvent.hpp
@@ -4,18 +4,18 @@
 #include "Loader.hpp"
 #include "Setting.hpp"
 #include "Mod.hpp"
-
+#include "SettingV3.hpp"
 #include <optional>
 
 namespace geode {
-    struct GEODE_DLL SettingChangedEvent : public Event {
+    struct GEODE_DLL [[deprecated("Use SettingChangedEventV3 from SettingV3.hpp instead")]] SettingChangedEvent : public Event {
         Mod* mod;
         SettingValue* value;
 
         SettingChangedEvent(Mod* mod, SettingValue* value);
     };
 
-    class GEODE_DLL SettingChangedFilter : public EventFilter<SettingChangedEvent> {
+    class GEODE_DLL [[deprecated("Use SettingChangedEventV3 from SettingV3.hpp instead")]] SettingChangedFilter : public EventFilter<SettingChangedEvent> {
     protected:
         std::string m_modID;
         std::optional<std::string> m_targetKey;
@@ -40,7 +40,7 @@ namespace geode {
      * Listen for built-in setting changes
      */
     template<class T>
-    class GeodeSettingChangedFilter : public SettingChangedFilter {
+    class [[deprecated("Use SettingChangedEventV3 from SettingV3.hpp instead")]] GeodeSettingChangedFilter : public SettingChangedFilter {
     public:
         using Callback = void(T);
 
@@ -60,21 +60,4 @@ namespace geode {
         ) : SettingChangedFilter(modID, settingID) {}
         GeodeSettingChangedFilter(GeodeSettingChangedFilter const&) = default;
     };
-
-    template <class T>
-    std::monostate listenForSettingChanges(
-        std::string const& settingKey, void (*callback)(T)
-    ) {
-        (void)new EventListener(
-            callback, GeodeSettingChangedFilter<T>(getMod()->getID(), settingKey)
-        );
-        return std::monostate();
-    }
-
-    static std::monostate listenForAllSettingChanges(void (*callback)(SettingValue*)) {
-        (void)new EventListener(
-            callback, SettingChangedFilter(getMod()->getID(), std::nullopt)
-        );
-        return std::monostate();
-    }
 }
diff --git a/loader/include/Geode/loader/SettingV3.hpp b/loader/include/Geode/loader/SettingV3.hpp
index fa9e1c7a..9d51732d 100644
--- a/loader/include/Geode/loader/SettingV3.hpp
+++ b/loader/include/Geode/loader/SettingV3.hpp
@@ -8,6 +8,7 @@
 #include "../utils/cocos.hpp"
 // this unfortunately has to be included because of C++ templates
 #include "../utils/JsonValidation.hpp"
+#include "../utils/function.hpp"
 
 // todo in v4: this can be removed as well as the friend decl in LegacyCustomSettingV3
 class LegacyCustomSettingToV3Node;
@@ -16,6 +17,8 @@ class ModSettingsPopup;
 namespace geode {
     class ModSettingsManager;
     class SettingNodeV3;
+    // todo in v4: remove this
+    class SettingValue;
 
     class GEODE_DLL SettingV3 : public std::enable_shared_from_this<SettingV3> {
     private:
@@ -27,6 +30,14 @@ namespace geode {
         Result<> parseSharedProperties(std::string const& key, std::string const& modID, matjson::Value const& value, bool onlyNameAndDesc = false);
         void parseSharedProperties(std::string const& key, std::string const& modID, JsonExpectedValue& value, bool onlyNameAndDesc = false);
 
+        /**
+         * Mark that the value of this setting has changed. This should be 
+         * ALWAYS called on every setter that can modify the setting's state!
+         */
+        void markChanged();
+
+        friend class ::geode::SettingValue;
+
     public:
         SettingV3();
         virtual ~SettingV3();
@@ -120,6 +131,7 @@ namespace geode {
             }
             void setValue(V value) {
                 this->getValueMut() = this->isValid(value) ? value : this->getDefaultValue();
+                this->markChanged();
             }
             virtual Result<> isValid(V value) const = 0;
             
@@ -452,6 +464,38 @@ namespace geode {
         std::shared_ptr<SettingV3> getSetting() const;
     };
 
+    class GEODE_DLL SettingChangedEventV3 final : public Event {
+    private:
+        class Impl;
+        std::shared_ptr<Impl> m_impl;
+    
+    public:
+        SettingChangedEventV3(std::shared_ptr<SettingV3> setting);
+
+        std::shared_ptr<SettingV3> getSetting() const;
+    };
+    class GEODE_DLL SettingChangedFilterV3 final : public EventFilter<SettingChangedEventV3> {
+    private:
+        class Impl;
+        std::shared_ptr<Impl> m_impl;
+    
+    public:
+        using Callback = void(std::shared_ptr<SettingV3>);
+
+        ListenerResult handle(utils::MiniFunction<Callback> fn, SettingChangedEventV3* event);
+        /**
+         * Listen to changes on a setting, or all settings
+         * @param modID Mod whose settings to listen to
+         * @param settingKey Setting to listen to, or all settings if nullopt
+         */
+        SettingChangedFilterV3(
+            std::string const& modID,
+            std::optional<std::string> const& settingKey
+        );
+        SettingChangedFilterV3(Mod* mod, std::optional<std::string> const& settingKey);
+        SettingChangedFilterV3(SettingChangedFilterV3 const&);
+    };
+
     class GEODE_DLL SettingNodeSizeChangeEventV3 : public Event {
     private:
         class Impl;
@@ -512,4 +556,25 @@ namespace geode {
     struct SettingTypeForValueType<cocos2d::ccColor4B> {
         using SettingType = Color4BSettingV3;
     };
+
+    template <class T>
+    EventListener<SettingChangedFilterV3>* listenForSettingChanges(std::string_view settingKey, auto&& callback, Mod* mod = getMod()) {
+        using Ty = typename SettingTypeForValueType<T>::SettingType;
+        return new EventListener(
+            [callback = std::move(callback)](std::shared_ptr<SettingV3> setting) {
+                if (auto ty = typeinfo_pointer_cast<Ty>(setting)) {
+                    callback(ty->getValue());
+                }
+            },
+            SettingChangedFilterV3(mod, std::string(settingKey))
+        );
+    }
+    EventListener<SettingChangedFilterV3>* listenForSettingChanges(std::string_view settingKey, auto&& callback, Mod* mod = getMod()) {
+        using T = std::remove_cvref_t<utils::function::Arg<0, decltype(callback)>>;
+        return listenForSettingChanges<T>(settingKey, std::move(callback), mod);
+    }
+    GEODE_DLL EventListener<SettingChangedFilterV3>* listenForAllSettingChanges(
+        std::function<void(std::shared_ptr<SettingV3>)> const& callback,
+        Mod* mod = getMod()
+    );
 }
diff --git a/loader/include/Geode/utils/general.hpp b/loader/include/Geode/utils/general.hpp
index d23b3c63..c174658c 100644
--- a/loader/include/Geode/utils/general.hpp
+++ b/loader/include/Geode/utils/general.hpp
@@ -17,13 +17,22 @@
 namespace geode {
     using ByteVector = std::vector<uint8_t>;
 
+    // todo in v4: remove this
     template <typename T>
+    [[deprecated("Use geode::toBytes instead")]]
     ByteVector toByteArray(T const& a) {
         ByteVector out;
         out.resize(sizeof(T));
         std::memcpy(out.data(), &a, sizeof(T));
         return out;
     }
+    template <typename T>
+    ByteVector toBytes(T const& a) {
+        ByteVector out;
+        out.resize(sizeof(T));
+        std::memcpy(out.data(), &a, sizeof(T));
+        return out;
+    }
 
     namespace utils {
         // helper for std::visit
diff --git a/loader/src/loader/ModSettingsManager.cpp b/loader/src/loader/ModSettingsManager.cpp
index dc625ac7..e01d1887 100644
--- a/loader/src/loader/ModSettingsManager.cpp
+++ b/loader/src/loader/ModSettingsManager.cpp
@@ -78,6 +78,7 @@ public:
     };
     std::string modID;
     std::unordered_map<std::string, SettingInfo> settings;
+    bool restartRequired = false;
 
     void createSettings() {
         for (auto& [key, setting] : settings) {
@@ -103,6 +104,7 @@ public:
 };
 
 ModSettingsManager* ModSettingsManager::from(Mod* mod) {
+    if (!mod) return nullptr;
     return ModImpl::getImpl(mod)->m_settings.get();
 }
 
@@ -136,6 +138,10 @@ ModSettingsManager::ModSettingsManager(ModMetadata const& metadata)
 ModSettingsManager::~ModSettingsManager() {}
 ModSettingsManager::ModSettingsManager(ModSettingsManager&&) = default;
 
+void ModSettingsManager::markRestartRequired() {
+    m_impl->restartRequired = true;
+}
+
 Result<> ModSettingsManager::registerCustomSettingType(std::string_view type, SettingGenerator generator) {
     GEODE_UNWRAP(SharedSettingTypesPool::get().add(m_impl->modID, type, generator));
     m_impl->createSettings();
@@ -230,3 +236,7 @@ std::optional<Setting> ModSettingsManager::getLegacyDefinition(std::string_view
     }
     return std::nullopt;
 }
+
+bool ModSettingsManager::restartRequired() const {
+    return m_impl->restartRequired;
+}
diff --git a/loader/src/loader/Setting.cpp b/loader/src/loader/Setting.cpp
index c7892cd3..f9562eb2 100644
--- a/loader/src/loader/Setting.cpp
+++ b/loader/src/loader/Setting.cpp
@@ -280,10 +280,10 @@ std::string SettingValue::getModID() const {
 }
 
 void SettingValue::valueChanged() {
-    // this is actually p neat because now if the mod gets disabled this wont 
-    // post the event so that side-effect is automatically handled :3
     if (auto mod = Loader::get()->getLoadedMod(m_modID)) {
-        SettingChangedEvent(mod, this).post();
+        if (auto sett = mod->getSettingV3(m_key)) {
+            sett->markChanged();
+        }
     }
 }
 
diff --git a/loader/src/loader/SettingNodeV3.cpp b/loader/src/loader/SettingNodeV3.cpp
index 5f8add60..0caee58d 100644
--- a/loader/src/loader/SettingNodeV3.cpp
+++ b/loader/src/loader/SettingNodeV3.cpp
@@ -125,7 +125,7 @@ void SettingNodeV3::updateState() {
             m_impl->errorLabel->setString(desc->c_str());
         }
     }
-    if (m_impl->setting->requiresRestart() && (this->hasUncommittedChanges() || m_impl->committed)) {
+    if (m_impl->setting->requiresRestart() && m_impl->committed) {
         m_impl->errorLabel->setVisible(true);
         m_impl->errorLabel->setColor("mod-list-restart-required-label"_cc3b);
         m_impl->errorLabel->setString("Restart Required");
diff --git a/loader/src/loader/SettingV3.cpp b/loader/src/loader/SettingV3.cpp
index 8f63dc97..af2d5a43 100644
--- a/loader/src/loader/SettingV3.cpp
+++ b/loader/src/loader/SettingV3.cpp
@@ -1,4 +1,6 @@
 #include <Geode/loader/SettingV3.hpp>
+#include <Geode/loader/SettingEvent.hpp>
+#include <Geode/loader/ModSettingsManager.hpp>
 #include <Geode/utils/JsonValidation.hpp>
 #include <regex>
 #include "SettingNodeV3.hpp"
@@ -397,6 +399,63 @@ namespace enable_if_parsing {
     };
 }
 
+class SettingChangedEventV3::Impl final {
+public:
+    std::shared_ptr<SettingV3> setting;
+};
+
+SettingChangedEventV3::SettingChangedEventV3(std::shared_ptr<SettingV3> setting)
+  : m_impl(std::make_shared<Impl>()) 
+{
+    m_impl->setting = setting;
+}
+
+std::shared_ptr<SettingV3> SettingChangedEventV3::getSetting() const {
+    return m_impl->setting;
+}
+
+class SettingChangedFilterV3::Impl final {
+public:
+    std::string modID;
+    std::optional<std::string> settingKey;
+};
+
+ListenerResult SettingChangedFilterV3::handle(utils::MiniFunction<Callback> fn, SettingChangedEventV3* event) {
+    if (
+        event->getSetting()->getModID() == m_impl->modID &&
+        !m_impl->settingKey || event->getSetting()->getKey() == m_impl->settingKey
+    ) {
+        fn(event->getSetting());
+    }
+    return ListenerResult::Propagate;
+}
+
+SettingChangedFilterV3::SettingChangedFilterV3(
+    std::string const& modID,
+    std::optional<std::string> const& settingKey
+) : m_impl(std::make_shared<Impl>())
+{
+    m_impl->modID = modID;
+    m_impl->settingKey = settingKey;
+}
+
+SettingChangedFilterV3::SettingChangedFilterV3(Mod* mod, std::optional<std::string> const& settingKey)
+  : SettingChangedFilterV3(mod->getID(), settingKey) {}
+
+SettingChangedFilterV3::SettingChangedFilterV3(SettingChangedFilterV3 const&) = default;
+
+EventListener<SettingChangedFilterV3>* geode::listenForAllSettingChanges(
+    std::function<void(std::shared_ptr<SettingV3>)> const& callback,
+    Mod* mod
+) {
+    return new EventListener(
+        [callback](std::shared_ptr<SettingV3> setting) {
+            callback(setting);
+        },
+        SettingChangedFilterV3(mod->getID(), std::nullopt)
+    );
+}
+
 class SettingV3::GeodeImpl {
 public:
     std::string modID;
@@ -485,6 +544,19 @@ Mod* SettingV3::getMod() const {
     return Loader::get()->getInstalledMod(m_impl->modID);
 }
 
+void SettingV3::markChanged() {
+    auto manager = ModSettingsManager::from(this->getMod());
+    if (m_impl->requiresRestart) {
+        manager->markRestartRequired();
+    }
+    SettingChangedEventV3(shared_from_this()).post();
+    if (manager) {
+        // Use ModSettingsManager rather than convertToLegacyValue since it 
+        // caches the result and we want to have that for performance
+        SettingChangedEvent(this->getMod(), manager->getLegacy(this->getKey()).get()).post();
+    }
+}
+
 std::optional<Setting> SettingV3::convertToLegacy() const {
     return std::nullopt;
 }
diff --git a/loader/src/ui/mods/ModsLayer.cpp b/loader/src/ui/mods/ModsLayer.cpp
index 1b83dbcd..ce7562f8 100644
--- a/loader/src/ui/mods/ModsLayer.cpp
+++ b/loader/src/ui/mods/ModsLayer.cpp
@@ -90,6 +90,11 @@ bool ModsStatusNode::init() {
 
     m_downloadListener.bind([this](auto) { this->updateState(); });
 
+    m_settingNodeListener.bind([this](SettingNodeValueChangeEventV3* ev) {
+        this->updateState();
+        return ListenerResult::Propagate;
+    });
+
     this->updateState();
     
     return true;
diff --git a/loader/src/ui/mods/ModsLayer.hpp b/loader/src/ui/mods/ModsLayer.hpp
index 7e7de630..35e36b97 100644
--- a/loader/src/ui/mods/ModsLayer.hpp
+++ b/loader/src/ui/mods/ModsLayer.hpp
@@ -12,6 +12,7 @@
 #include "sources/ModListSource.hpp"
 #include "UpdateModListState.hpp"
 #include <server/DownloadManager.hpp>
+#include <Geode/loader/SettingV3.hpp>
 
 using namespace geode::prelude;
 
@@ -39,6 +40,7 @@ protected:
     EventListener<UpdateModListStateFilter> m_updateStateListener;
     EventListener<server::ModDownloadFilter> m_downloadListener;
     DownloadState m_lastState = DownloadState::None;
+    EventListener<EventFilter<SettingNodeValueChangeEventV3>> m_settingNodeListener;
     
     bool init();
     void updateState();
diff --git a/loader/src/ui/mods/sources/ModListSource.cpp b/loader/src/ui/mods/sources/ModListSource.cpp
index 19ced217..e19e1c43 100644
--- a/loader/src/ui/mods/sources/ModListSource.cpp
+++ b/loader/src/ui/mods/sources/ModListSource.cpp
@@ -1,5 +1,6 @@
 #include "ModListSource.hpp"
 #include <server/DownloadManager.hpp>
+#include <Geode/loader/ModSettingsManager.hpp>
 
 #define FTS_FUZZY_MATCH_IMPLEMENTATION
 #include <Geode/external/fts/fts_fuzzy_match.h>
@@ -90,6 +91,9 @@ bool ModListSource::isRestartRequired() {
         if (mod->getRequestedAction() != ModRequestedAction::None) {
             return true;
         }
+        if (ModSettingsManager::from(mod)->restartRequired()) {
+            return true;
+        }
     }
     if (server::ModDownloadManager::get()->wantsRestart()) {
         return true;