Different Number of Frames imported from the same FBX between UE 4.8 and 4.9

OLD - Anim - Sep 14, 2015

Using the same import settings in UE4.8 and UE4.9 will result in a different number of frames of an animation being imported from the same FBX file. If you import the same fbx animation which in M ...

ICU was built with timezones disabled for Android

UE - Platform - Mobile - Mar 23, 2017

ICU for Android was built with U_TIMEZONE defined to 0, which means that ICU always considers itself to be in UTC, rather than use its default Android implementation. We should try and build ICU ag ...

ICU was built with timezones disabled for Linux

UE - Platform - Linux - Mar 23, 2017

ICU for Linux was built with U_TIMEZONE defined to 0, which means that ICU always considers itself to be in UTC, rather than use its default Linux implementation. We should try and build ICU again ...

Cloth jitters in Movie Render Queue renders when temporal sampling is enabled

UE - Anim - Sequencer - MRQ - Dec 6, 2022

The Cloth simulation time step smoothing is interfering with the substepping fix for multi Temporal Samples by changing the very variable DeltaTime and causing some large errors in the cloth simulat ...

Running the BuildPlugin command results in a warning that ForceCompile is not supported and an error that an item with the same key has already been added

UE - Foundation - Cpp Tools - Automation Tool - Dec 7, 2022

Repro Rate: 5/5 This issue was encountered in the 5.1.0 live launcher build of //UE5/Release-5.1 at CL 23058290 and reproduced by other users. Regression tested against the 5.0.3 live launcher bui ...

ALT-Drag a non-DBuffer Decal will Crash the Engine

UE - Graphics Features - Jun 11, 2015

When you ALT-Drag a Decal that is not using the Dbuffer settings, the Engine will crash. The issue is not reproducible in Main Promotable-CL-2581018 This is a regression. Worked in 4.7.6, broken ...

[CrashReport] UE4Editor_CoreUObject!FCompressedChunk::FCompressedChunk()

UE - Foundation - Core - Jul 24, 2017

This is a common crash affecting users in 4.16 and the 4.17 Previews. The two descriptions provided by users say their crash occurred after updating their project from 4.13. User DescriptionsUpgra ...

Spline Mesh Component doesn't render if two spline points are directly above and below each other

Tools - Dec 1, 2017

Spline Mesh Component doesn't render if two spline points are placed exactly above and below each other. If they are offset by any value other than 0.0, the Spline Mesh component will be rendered as ...

Attached Project Crashes When Attempting to Open Blueprint

UE - Gameplay - Blueprint - Nov 11, 2015

The project in question: [Link Removed] The user is experiencing an issue where they've fixed compile errors on their NPC blueprint, and now are unable to open it without experiencing a crash. Righ ...

[CrashReport] UE4Editor_Engine!UAssetImportData::ExtractFilenames() [assetimportdata.cpp:156]

Tools - Sep 7, 2017

This is a common crash affecting users in 4.17 and 4.18. User DescriptionsI wasn't able to get my UCX collision to import. Clicked the yellow "return" arrow next to the asset import settings option ...