diff --git a/CMakeLists.txt b/CMakeLists.txt
index 28afb440..b20a7390 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -79,7 +79,7 @@ if (GEODE_DISABLE_FMT_CONSTEVAL)
 	target_compile_definitions(${PROJECT_NAME} INTERFACE -DFMT_CONSTEVAL=)
 endif()
 
-CPMAddPackage("gh:geode-sdk/json#cef9c64")
+CPMAddPackage("gh:geode-sdk/json#b92a8af")
 CPMAddPackage("gh:fmtlib/fmt#9.1.0")
 CPMAddPackage("gh:gulrak/filesystem#3e5b930")
 
diff --git a/bindings/GeometryDash.bro b/bindings/GeometryDash.bro
index 3c1fa577..ae1ae96b 100644
--- a/bindings/GeometryDash.bro
+++ b/bindings/GeometryDash.bro
@@ -1891,7 +1891,7 @@ class GJBaseGameLayer : cocos2d::CCLayer, TriggerEffectDelegate {
     cocos2d::CCDictionary* m_spawnedGroups;
     bool m_didUpdateNormalCapacity;
     bool m_isDualMode;
-    int m_unk2AC;
+    int m_activeEnterEffect;
     bool m_activeDualTouch;
     int m_attemptClickCount;
     int m_lastVisibleSection;
@@ -4676,7 +4676,7 @@ class PlayerObject : GameObject, AnimatedSpriteDelegate {
     void flipGravity(bool, bool) = mac 0x21c090, win 0x1f59d0;
     void flipMod() = mac 0x21a4c0;
     void getActiveMode() = mac 0x22b950, win 0x1f5df0;
-    void getModifiedSlopeYVel() = mac 0x21bff0, win 0x1ea870;
+    float getModifiedSlopeYVel() = mac 0x21bff0, win 0x1ea870;
     void getOldPosition(float) = mac 0x21a830;
     void getSecondColor() = mac 0x22cee0;
     void gravityDown() = mac 0x22e930;
diff --git a/loader/include/Geode/cocos/robtop/keyboard_dispatcher/CCKeyboardDelegate.h b/loader/include/Geode/cocos/robtop/keyboard_dispatcher/CCKeyboardDelegate.h
index 10005f4e..b18c9364 100644
--- a/loader/include/Geode/cocos/robtop/keyboard_dispatcher/CCKeyboardDelegate.h
+++ b/loader/include/Geode/cocos/robtop/keyboard_dispatcher/CCKeyboardDelegate.h
@@ -15,10 +15,8 @@ RT_ADD(
     typedef enum
     {
         // this one might not actually exist in gd itself
-        HJ_ADD( 
-        	KEY_What = -0x01,
-        	KEY_None = 0x00,
-        )
+        KEY_Unknown = -0x01,
+        KEY_None = 0x00,
         KEY_Backspace = 0x08,
         KEY_Tab = 0x09,
         KEY_Clear = 0x0C,
diff --git a/loader/include/Geode/loader/Mod.hpp b/loader/include/Geode/loader/Mod.hpp
index a255b157..435de320 100644
--- a/loader/include/Geode/loader/Mod.hpp
+++ b/loader/include/Geode/loader/Mod.hpp
@@ -160,6 +160,8 @@ namespace geode {
             return T();
         }
 
+        bool hasSavedValue(std::string const& key);
+
         template <class T>
         T getSavedValue(std::string const& key) {
             auto& saved = this->getSaveContainer();
diff --git a/loader/src/loader/Mod.cpp b/loader/src/loader/Mod.cpp
index c8917e1d..b443402c 100644
--- a/loader/src/loader/Mod.cpp
+++ b/loader/src/loader/Mod.cpp
@@ -190,4 +190,8 @@ char const* Mod::expandSpriteName(char const* name) {
 
 ModJson Mod::getRuntimeInfo() const {
     return m_impl->getRuntimeInfo();
-}
\ No newline at end of file
+}
+
+bool Mod::hasSavedValue(std::string const& key) {
+    return this->getSaveContainer().contains(key);
+}