Unreal Engine Issues
Unreal Engine Issues
Renaming native struct with redirect can break user defined structs
UE - Gameplay - Blueprint - Jul 18, 2018From https://udn.unrealengine.com/questions/444690/redirecting-ustruct-used-as-member-of-userdefineds.html In 4.20 it was changed so soft object ptrs pointing to classes work correclty with +ClassR ...
Selecting multiple actors with differing DataTableHandles causes data loss
UE - Gameplay - Jan 4, 2021The data table customization (and probably others) tries to aggressively clear out row references that are not valid in the table they point to. This breaks when selecting multiple actors or objects ...
TMap<Bool is disallowed despite bool having a hash
UE - Gameplay - Blueprint - Nov 22, 2022Reproduced 3/3 times. User is unable to create a new TMap with bool key through Blueprints (which is the expected result). Issue is technically a Regression, as the ensure does not occur in //UE5/ ...
Spline Component Spline Generation Panel does not trigger Construction Script
UE - Editor - Workflow Systems - Sep 24, 2024From Licensee Spline generation tool no longer triggers the construction script We recently updated from Unreal 5.3 to 5.4 and our level designers are having an issue with the spline mesh generatio ...
In -game in Editor, if streaming-in a LevelInstance and initialize its world partition, then leaving that cell and make it go outside the streaming grid, to re-enter it again, will trigger a check(!StreamingPolicy) if no GC has happened during that time.
UE - World Creation - Worldbuilding Tools - World Partition - Jan 27, 2025This crash can be fixed by adding a couple of || IsRunningGame() like it is done here: FGenerateStreamingContext Context = FGenerateStreamingContext() .SetLevelPackagesToGenerate((bIsPIE ...
Action event in the blueprint graph leads to state dirty.
UE - Gameplay - Blueprint - Aug 9, 2017BP state get dirty if the BP graph have action input event. Regression: Yes, it is not reproduced in 4.16.3 This issue is not related to Blueprint Compilation Manager. ...
The "Make Static Mesh" feature for skeletal meshes does not account for disabled mesh sections.
UE - Anim - Rigging - Skeletal Editor - Dec 11, 2024The licensee was not able to make static meshes with the correctly disabled sections from a skeletal mesh in the current implementation of the "Make Static Mesh" button in the editor. They have prov ...
Double-Clicking a Camera in the World Outliner Changes Its Position
Tools - Sep 29, 2015When you double-click on a camera in the world outliner to snap to its location, it instead moves the camera from its original position. Found in 4.9.1 binary. Could not reproduce in 4.8.3, this i ...
Attempting to record a demo in PIE causes a crash
When you try to use the console command "demorec" to record a demo in PIE, a crash occurs. Note: This did not occur in 4.8.3 but another crash happened when trying to run the "demoplay" console com ...
Using the F key to focus the viewport camera on an actor does not work if the main editor window does not have focus
Tools - Sep 26, 2015Using the F key to focus the viewport camera on an actor does not work if the main editor window does not have focus. Reproduced in 4.8.3 binary, 4.9.1 binary, and Main (CL 2707185) ...