Unreal Engine Issues
Unreal Engine Issues
Cannot Add Player with a second controller in Lyra
UE - Gameplay - Input - Feb 24, 2023Controller 1 is able to navigate the menu as normal, but if you hit the "Start" button on Controller 1, it'll flash the Add Player UI element but won't connect as Player 2, and the output log will s ...
Editor crash while saving asset during cook operation
UE - Core - Data Pipeline - Cooker - Apr 2, 2025It is possible to experience an editor crash in 5.5.4 when the cook process generates a warning that references an asset while the editor is saving. It seems that during a save operation, the code t ...
Skeletal Mesh component that uses Anim BP does not translate after swapping root bone on particular Anim section in Sequencer
UE - ACT Character - Anim in Engine - Apr 19, 2023Repro Rate: 5/5 Regression: Unconfirmed - Functionality is not implemented in previous version Skeletal Mesh with default slot Anim BP applied does not translate after Swap Root Bone on particular ...
Copying a Folder in Sequencer and later Pasting it inside Sequencer is resulting in loss of Components
zComponent - Archive - Aug 8, 2025Copying a Folder in Sequencer and later Pasting it inside Sequencer is resulting in loss of Components. The pasted folder is not respecting the structure that was copied. This issue only happens on ...
Mutable bake instance overwrite instead increments
UE - Runtime - Mutable - Nov 13, 2025We are using Mutable and right now we can't overwrite already baked SK instances. This occurs when, we have a set variation for a character and we address a feedback on one of the used skeletal mesh ...
Character Using Move to Location or Actor Stutters
UE - AI - Jun 9, 2016Characters using Move to Location or Actor will briefly pause with each few steps during their movement. This did not occur in 4.11.2 binary, this is a regression. Found in 4.12.1 binary. Reproduc ...
Create Comment from Selection Option Not Working in Behavior Tree
Tools - Jun 8, 2016In a behavior tree, while having multiple nodes selected, using the Create Comment from Selection option does not create a comment box as expected. Found in 4.12.1 binary. Reproduced in 4.11.2 bina ...
Multiple Timeline Tracks disappear when first track is collapsed
Tools - Mar 6, 2017When collapsing a timeline track, if there are over 5 tracks below it, some will disappear. This is a closer look at but UE-18550 Workaround Simply scroll on the timeline tracks to repopulate the ...
Materials are added to a Model that has been modified by Cube Grid
UE - Graphics Tools - Modeling Tools - Apr 3, 2023This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Changing materials before making a change to a model with cube grid causes that previous selected material to be added to the model ...
Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.* test cases fail in headless mode due to stylus error log.
UE - Graphics Tools - Modeling Tools - Jan 15, 2025Hello! In UE 5.5 Preview, new stylus code was introduced, which can cause a test failure in an unrelated test suite, Editor.Plugins.Tools.Modeling.EditorMode.ExtrudePolygons.*. The test indirectly ...