Unreal Engine Issues
Unreal Engine Issues
Simulated ability tasks not being cleaned up in UActorChannel::ReplicationMap
UE - Networking - Nov 20, 2018I've noticed the issue occurring in both 4.20.3 (CL 4369336) and 4.21.0 (CL 4541578). The user on AnswerHub has also noticed the issue in 4.20.2 (CL unknown) and claims the issue did not occur in 4. ...
Null access to Unpossessed controller with seamless travel
UE - Gameplay - Mar 9, 2019The unpossessd controller will not be removed from UWorld::ControllerList unless destroyed. This causes null access to the ControllerList when GC occurs during seamless travel execution. The unposse ...
Vive Trackpad X and Y always return 0
UE - Platform - XR - Feb 3, 2020Platform-specific input for pad axis in 4.24 leads to missing value in VIVE. in 4.23.1 this is not reproduced. ...
Outline artefact on cascade shadow transition
UE - Graphics Features - Mar 28, 2024Some pixels at the edge between cascaded shadow maps and distance field shadows can be skipped by both, leading to unshadowed pixels. Licensee reports the bug happening in 5.3 as well. Test project ...
Datasmith Export Bug with Camera Target
UE - Editor - Content Pipeline - Datasmith - Exporters - Mar 7, 2025Potential bug was encountered when exporting vray cameras and their targets that have been path-constraint to corresponding splines. The resulting export file shows no camera targets; hence, missing ...
Changing UPROPERTY() settings causes detail components to vanish in editor
Tools - Mar 11, 2015When a UPROPERTY() macro is changed and the recompiled, the hot reload in the editor will cause any BP based on the class to lose certain aspects of the Detail panel such as the actor's transform. ...
Planar Reflection seems to render inverted
UE - Platform - Mobile - Jul 6, 2016Planar Reflections seem to be inverted on mobile devices. The angles seem to be off too. ...
Restore Open Asset Tabs on Restart Becomes Unselected upon Restart
Tools - Jan 5, 2016Although Asset Tabs will be restored, the option to "Restore Open Asset Tabs on Restart" in the Editor Preferences becomes unchecked after a crash thus causing the user to remember to select it afte ...
FBX imports non-sequentially named Skinxx id's will not import all material elements
UE - Editor - Content Pipeline - Import and Export - Jan 25, 2016When importing an asset that is using the naming convention for SkinXX to order material elements does not work properly when the elements are not sequential. Any material that is not in sequential ...
Cannot reference Branch point in CharacterAnimBP event graph
OLD - Anim - Dec 22, 2014In CharacterAnimBP: After creating a new montage branch point you cannot reference it in the CharacterAnimBP’s Event graph until you close and restart the editor. ...