Unreal Engine Issues
Unreal Engine Issues
Crash when setting a module input to read from a new user parameter
UE - Niagara - Jun 2, 2020Crash when setting a module input to read from a new user parameter Crash does not occur when drag/dropping a User Parameter from the Parameters panel into the input, or when selecting a preexistin ...
Blueprint Function Library variables can be promoted out of scope
UE - Gameplay - Blueprint - Oct 5, 2020Input parameters can be promoted to variables from the context menu when dropped on an empty graph. Per [Link Removed] this is not expected and dangerous for users to use. This is reproducible as f ...
Running a VR template packaged game with -nohmd results in an AudioDevice crash
UE - Platform - XR - Mar 18, 2021Running a VR template project with -nohmd causes the packaged game to crash on launch. Running with just -vr doesn't result in a crash. Tested in //UE4/Release-4.25 @ CL 14469661 and did not encoun ...
MediaFramework - Webcam Video input shows as black in Media Player
UE - Media Framework - Aug 17, 2021Alejandro Arango 3 days ago In fact, it seems the 4.27 changes are conditioned by WMFMEDIA_PLAYER_VERSION . So the only change needed is in WmfMedia.Build.cs . They only need to change it to say: P ...
Changing the codec of a Curve Compression Setting asset results in a crash
UE - Anim - Nov 18, 2021When creating a Curve Compression Setting asset and changing the codec from Compressed Rich Curves to either Uniform Indexable or Uniformly Sampled the editor crashes. Tested in //UE4/Release-4.26 ...
HighResShot with a png output uses 24 bit depth in PIE instead of 32 bit
RAD - Oodle - Mar 1, 2022Tested in 4.27.2 binary which produced 32 bit depth pngs in both the editor and PIE. Using the HighResShot command to get a png while playing in editor results in a 24 bit depth screenshot where pr ...
Instanced Stereo setting crashes engine when building lighting, creating a vector3 or disabling setting
UE - Platform - XR - Apr 4, 2022After further investigation we noticed that the issue is arising from the Instanced Stereo setting. When creating a Vector3 in a new material, building lighting or disabling the Instanced Stereo set ...
A crash happens with a combination of Event Receive Tick AI and a pawn losing possession
UE - AI - May 18, 2022User reports this is a regression because it worked in 4.27, but they converted to 5.0.1 and now it causes a crash. However, I'm unable to verify this at this time. A crash happens with a combinati ...
Retainer Box does not propagate Visibility settings to children
UE - Editor - UI Systems - UMG - Aug 22, 2022This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Retainer Box does not propagate Visibility settings to children. Setting Canvas visibility to 'Not Hit-Testable (Self & All Childre ...
BlackboardComponent observer can be called for the wrong key
UE - AI - BehaviorTree - Feb 7, 2023We need to, at least, prevent this by clearing observers when running a new BT using a different blackboard. Must also think that this might affect licensees relying on the current behavior (might h ...