Unreal Engine Issues
Unreal Engine Issues
Skeletal mesh to which the AnimationBudgetAllocator registered in the animation track is applied does not play the initial frame animation
UE - Anim - Runtime - Jun 10, 2025This issue occurs when “Auto Register with Budget Allocator” is enabled for the skeletal mesh. Unchecking “Auto Register with Budget Allocator” seems to resolve the issue. Adding the following to th ...
Bindless Textures in active use are able to be garbage collected
UE - Rendering Architecture - RHI - Jul 9, 2025It is possible for textures referenced in the bindless texture data assets that are actively used in materials being rendered in the active viewport to be garbage collected. This results in the mat ...
Crash when running "MAP REBUILD ALLVISIBLE" with hidden sublevels and then changing maps
UE - World Creation - Worldbuilding Tools - Sep 1, 2025Running the MAP REBUILD ALLVISIBLE editor command when the current map contains hidden sublevels causes a crash upon changing maps. The issue seems to be related to hidden sublevels being cleared in ...
Area scattering defaults to 0.01 spacing when input is invalid
TM - Tools - Dec 18, 2025If the user provides an invalid input for Area spacing (for example, using the hotkey 'R' to check the raytraced image), the spacing defaults to a value of 0.01m. Depending on the size of the Area s ...
Importing an FBX twice will cause a crash
UE - Platform - Linux - Apr 9, 2015When importing an FBX into a project if the "Import" option is chosen rather than "Import All" then importing the same FBX a second time will cause the editor to crash. ...
Drastic increase in FBX import times from 4.9 to 4.10
Tools - Dec 9, 2015The attached asset (including animation) takes 9 minutes to import in 4.10, where it takes 42 seconds in 4.8 and 4.9. You don't really notice this until you start to get up to larger assets or long ...
Attempting to add or alter custom functions in character blueprint crashes editor upon compile
OLD - Anim - Aug 27, 2015Editor crashes when adding or adjusting functions within character blueprint. Frequency: 5/5 Crashreporter: N/A Note: Does not reproduce on a new character blueprint, this seems limited to a cha ...
Adding variables to components reports incorrect owner
UE - Gameplay - Aug 26, 2015Components that have variables added to them cause the component to register the wrong blueprint owner. ...
Starter Content folders return to content browser after being manually deleted
Tools - May 20, 2015If Starter Content is added to a newly created project and then the Starter Content is deleted, upon re-opening the editor the Starter Content files will return to the Content Browser. Workaround: ...
Array node input changes to pass by reference when editor is closed and re-opened
UE - Gameplay - Blueprint - Mar 23, 2015Closing and re-opening the editor changes the input element on add array nodes to a pass by reference. Update: This also occurs on Set Array Elem node Item output. ...