Unreal Engine Issues
Unreal Engine Issues
Lightmass Portal X Scale resets on update
UE - Graphics Features - Apr 20, 2017After setting the "X" Scale of a Lightmass Portal, attempting to move/update the object causes the scale to reset to 10.0. Is this necessary for some reason? ...
Adjusting transform of a mesh with LODs causes LODs to flicker
UE - World Creation - Worldbuilding Tools - Foliage - Jun 3, 2015If a hierarchical instanced static mesh has LODs and is scaled in a blueprint, the mesh will rapidly switch between LODs, causing a flickering effect. Note: This only seems to occur if the camera ...
ICU was built with timezones disabled for Android
UE - Platform - Mobile - Mar 23, 2017ICU 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, 2017ICU 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 ...
Local Variable loses value after reference moves file location
UE - Gameplay - Blueprint - May 23, 2017Local Variable loses value after reference moves file locations. This does not just affect construction scripts, following these steps with a function instead produced the same result. This issue do ...
UVs are scaled drastically when importing from Solidworks
UE - Editor - Content Pipeline - Datasmith - Importer - Sep 28, 2018UVs are scaled drastically when importing from Solidworks. When comparing it to an Engine Cube and adding a texture to it you can see the difference in UV scaling. The texture will need to scaled to ...
Twinmotion sign-in error when attempting sign-in inside app
TM - Core - May 18, 2026Reported in SF [Link Removed] Attempting to sign into Twinmotion from within the TM 2026.1 editor results in a consistent sign-in error using the sign-in buttons. Initial sign-in during launch whe ...
InstanceOnly UProperties accessible in Blueprint
UE - Framework - Blueprint Editor - Nov 30, 2022Reproduced 3/3 times. Issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. ...
Panini Lens Projection and Post Process buffers broken
UE - CAPT - Color Pipeline and Rendering - Mar 9, 2026Panini Lens Distortion does not appear to affect some buffers (SceneDepth, CustomDepth, WorldNormal, etc.) consistently. These buffers behaved correctly in 5.3 ...
Monitor Directories does not auto import or re-import from network locations
UE - Editor - Content Pipeline - Import and Export - Nov 15, 2017Monitor Directories feature in the editor preferences does not auto import or re-import from network locations. There is no issue if the location of the folder is local. This issue does not appear t ...