Unreal Engine Issues

Certain Projects crashes on Start AR on iOS

Repro rate 5/5 Project crashes on pressing "Start AR" in ARDebugCheck, on "Begin Scan" in Handheld AR Template and on "Start AR" in ARImageDetection. Issue also occurs on ARVideoSettings and ARSave ...

Android game packaged with obb outside apk does not create SaveGame directory on device

An apk packaged in 4.8 release with 'Package game data inside .apk' unchecked does not create a SaveGame folder in the device's directory and does not create a .sav file. File is saved if the SaveGa ...

Anim to Play setting isn't visible when no mesh is assign to skeletal mesh component

If the user has a skeletal mesh component with no skeletal mesh assigned to it, there will be no Anim to Play setting visible (when Animation Mode is set to Use Animation Asset). Once a skeletal me ...

Running game does not exit when exited through its library page in SteamVR

KiteDemo: Bookmark 1 - bird visuals and audio missing

While testing KiteDemo for 4.16 Sample Pass – //UE4/Release-4.16 CL 3420042 in Binary – I found that aside from the incredibly low FPS, some of the Bookmarked camera locations have issues. In the fi ...

Crash when hot reloading after adding HISM Component class

After adding a class based on "Hierarchical Instanced Static Mesh Component", any attempt to hot reload, from Visual Studio or within the editor, causes the editor to crash. Regression: No - crash ...

Editor crash on BP recompile with custom FRuntimeFloatCurve variable

When a class contains a FRuntimeFloatCurve variable, compiling a blueprint of the class causes the editor to crash once a key has been added to the curve and selected Regression: Yes, the provided ...

Creating multiple Scalar Parameter nodes with a different values will crash the editor

This is a regression from 4.24.3 CL 11590370 This was discovered when ad-hoc from home I ran into this by running this set up https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Cle ...

Clion isn't recognized on Linux

Setting CLion as the default IDE causes Unreal to not recognize it as a compiler. You are unable to compile C++ projects or create new ones with it set this way. This was reported and tested in 4. ...

crash at checkUERenderCommandPipeIsReplaying in RenderScenecpp

Drawing a material to a render target when that material samples an RVT can cause an editor crash. In our testing, the check() did not always occur on the first PIE session, but would always occur ...