Unreal Engine Issues

TMap<Bool is disallowed despite bool having a hash

Reproduced 3/3 times. User is unable to create a new TMap with bool key through Blueprints (which is the expected result).  Issue is technically a Regression, as the ensure does not occur in //UE5/ ...

iOS package with Metal Desktop Renderer enabled crashes on iPhone

iOS package with Metal Desktop Renderer enabled crashes on iPhoneThis issue does not occur if Metal Desktop Renderer is disabled ...

Editor crashes when edit foliage assigned to data layer in foliage mode

Build Warning when HotReloading - LogUObjectGlobals:Warning: Guid is already used by

Changing class code causes class instance placed in the viewport to produce the warning message shown below upon hot reload. Also reported that callstack occurs but does not crash the editor. The ...

Loading cooked shaders in editor is broken

Issue was traced to CL4018267. Shader hashes are not preserved during cooking anymore. This is failing the check in void FShader::Register() { FShaderId ShaderId = GetId(); check(ShaderId.Materi ...

Crash after Undo and garbage collection on sequencer track

A crash occurs after adding an additional camera track, undoing the additional, and then calling garbage collection Appears to be the same callstack found here [Link Removed] ...

Performing a launch on to windows, and then enabling world HLOD and opening the outliner will crash the editor

5.3 crashes when loading a map with an actor that had the class of one of its components changed

Create a blueprint based on actor, give it a SceneComponent named ExampleComp (BP_TestActor) - this should be the blueprints only componentCreate a new level (TestMap), place an instance of the bluepr ...

Editor crashes if Sequencer has keyframes for a variable that has changed

The Editor crashes if loaded sequence has keyframes for an actor variable that has been changed, instead of soft erroring out. This was reported and tested on 4.20.3 (CL-4369336). It was reproduced ...

Editor crashes when calling a "scroll into view" node with missing parameters

There is an issue where Editor crashes when calling a "scroll into view" node with missing parameters. This issue should be caught when compiling the blueprint as one of the values should not be nul ...