Unreal Engine Issues
Unreal Engine Issues
Code based BT task breaks after closing/reopening the editor
UE - AI - Sep 9, 2015A behavior tree task created in code will break in the editor behavior tree. The BTTask node shows as red and says that the class cannot be found. Node must be deleted and replaced to fix the erro ...
Custom Stencil Buffer Visualization Doesn't Render Custom Stencil Depth
UE - Graphics Features - Feb 6, 2020The Buffer Visualization (Custom Stencil ) doesn't render assets that have "Render CustomDepth Pass" enabled. Found in 4.24.2 CL#10758860 Reproduced in 4.23.1 CL#9631420, 4.25 Main CL#11223911 ...
Keep Simulation Changes Not Saving Values After Physics Simulation
UE - Gameplay - Blueprint - Oct 1, 2015Simulating your level and then attempting to use the Keep Simulation Changes option on an actor that has simulated physics gives the No Properties Copied error. Occurs in 4.9.2 binary and Main CL ...
Curves in compressed additive animations interpolate incorrectly when two keys in a row have the same value
OLD - Anim - Oct 16, 2019Curves compressed from additive animations will not interpolate correctly if they have two keys in a row with the same value. The second key will be ignored, leading to the curve interpolating earli ...
Compile 'Note' on BP Interface events
UE - Gameplay - Feb 23, 2017Compile 'Note' on BP Interface events. It happens in actor BPs and also BP Widgets. A similar issue was fixed back in 4.11 with Custom Events. Could be related? https://jira.it.epicgames.net/brows ...
GetAssetRegistry by class and subclass only works for Material data types
UE - Gameplay - Oct 16, 2018The GetAssetRegistry blueprint node only produces the asset data for the Material class and its subclasses. It completely ignores the asset data for Actor, derived Actor class Blueprints, and the su ...
Inconsistent mobility when converting selected actors to a blueprint
UE - Gameplay - Blueprint - Jan 6, 2015Noticed when replying to a user on the forums (link included) When using the "Convert to Class Blueprint" feature in the level editor to create a blueprint from the selected actors, the created blu ...
An Actor BP with an editable variable that references another Actor in the level will reference multiple examples of that Actor if it is duplicated
UE - Gameplay - Blueprint - Mar 13, 2015An Actor BP with an editable variable that references another Actor in the level will reference multiple examples of that Actor if it is duplicated. Reproduced in 4.7.2 binary and Main (//depot/UE4 ...
Moving Child Object in Local Space Causes Flickering
Tools - Jun 30, 2016When moving an object in the viewport that is parented to another object with a scale of -1,1,1, the child object will flicker. This is a regression, this did not occur in the 4.11.2 binary release ...
Crash upon attempting to load into session via Join Session in Blueprints on iOS
UE - Networking - Aug 8, 2018Joining a session on iOS using the Join Session node in Blueprints causes a crash on iOS. This is similar to [Link Removed] but was requested to be entered separately. This has not been reproduced ...