Unreal Engine Issues

UGoogleARCorePointCloud::GetPoint doesn't return position in world space.

Material Instance values lost when using Material Parameters inside of multiple Material Functions

Material Instance parameters (that derive from parents using material functions) can have their data shifted or not saved. ...

AnimSequence's play rate is doubled when in a SyncGroup

It is because that the RateScale is multiplied twice. First at UAnimSequenceBase::TickAssetPlayer : {{ const float PlayRate = Instance.PlayRateMultiplier * this->RateScale;}} Second at UAnimSeq ...

Generate Lightmap UVS Doesn't Update the Lightmap Coordinate Index

When importing an fbx file and using 'generate lightmap uvs', the light map coordinate index will not update correctly. Working properly in 4.19 CL# 4033788 Found in 4.20 CL# 4212847 and 4.21 CL# ...

Physics replication is not working correctly and clients receive different results

Physics replication is not working properly. The replicated physics are different than what is on the server. The user who reported this issue pointed out this line as well which seems to not do any ...

Crash when opening a different level after opening the preloaded level using Asset Manager

After  opens the preloaded level using Asset Manager, opening another level before unloading the level will crash. Because AssetManager holds FStreamableHandle of the level, garbage collection is no ...

Landscape Paint Layers will not scroll to the end when using mouse wheel

In a normal detail panel, each element has its own SDetailSingleItemRow and are mostly uniformly sized with some exceptions of having a few bigger rows (i.e. asset pickers). However, these layers ar ...

packaging iOS, dwarfdump Failed to open macho file: Too many levels of symbolic links

Audio Capture Component Crashes When Unplugging Mic/Headset

Audio Capture Component does not appear to be handling external device swaps appropriately, and has a delayed crash that will occur if an in-use mic is unplugged. At a glance, it appears to involve ...

InstanceDecorators of URichTextBlock is increased everytime add it to viewport

URichTextBlock::UpdateStyleData() does not check whether DecoratorClasses already had any specificed DecoratorClass. So every time you turn UMG on and off from the Viewport, Decorator Classes will i ...