Unreal Engine Issues
Unreal Engine Issues
Distortion Displacement Track is empty in new level sequence using a distortion file with a framerate of 0
Docs - Samples - Aug 8, 2017Distortion Displacement Track is empty in a new level sequence using a distortion file witha framerate of 0. ...
[CrashReport] Mac crash - UE4Game!FShaderCache::InternalSetGraphicsPipelineState
UE - Graphics Features - Dec 1, 2017This is a common Mac crash in 4.18. It occurs in Game mode, not in Editor. Users have not provided any descriptions of their actions when the crash occurred. Callstack from Log[2017.11.21-20.30.4 ...
Blueprints with accent characters fail to open when converted from 4.19 to 4.20
Tools - Oct 2, 2018Any Blueprint with accents in the name, coming from 4.19 won't open in 4.20. Double clicking the asset, trying to right click asset, results in no actions. When loading the project this message app ...
Build Error when using ENUM without 0 entry
UE - Foundation - Cpp Tools - UnrealHeaderTool - Nov 26, 2019Bug in StringTemplate.cpp related to modulo operator in MaterialTemplate.ush (code fix provided)
UE - Rendering Architecture - Materials - Jun 25, 2024Shader Template files like MaterialTemplate.ush do not submit previous chunks when encountering a `%` character, unless that `%` character is `%s` or `% {...} `. Because the error is happening ...
"Fix root motion initial rotation handling" commit breaks root motion completely
OLD - Anim - Dec 18, 2014Enabling and processing root motion causes animation to rotate the wrong direction. Roll instead of Yaw. Pitch instead of roll etc. This error does not occur in UE 4.6. ...
BlendSpace DeltaTimeRecord.Delta can incorrectly be set to zero
UE - Anim - Runtime - Apr 19, 2024It's possible for blendspaces to end up with an invalid delta time record because of how UBlendSpace::TickAssetPlayer modifies the time record. This only seems to happen with specific settings:Axis ...
When ParallelExecutor is enabled, Japanese build output of VisualStudio garbled
UE - Foundation - Cpp Tools - Sep 19, 2018From UE4.20, Japanese build output of VisualStudio garbled. Below is a comparison between 4.19 and 4.20. ・4.19.2 1>------ すべてのリビルド開始: プロジェクト:MyProject3, 構成:Development_Editor x64 ------ 1> Clea ...
Metasounds - Using the Audio Component Play Node with a start timer other than 0 results in the Metasound ceasing to function
UE - Audio - MetaSounds - Dec 2, 2021Metasounds cease functionality if called to Play with a different start time other than 0. This extends to the Metasound editor where pressing play to preview the sound also ceases to function. ...