Unreal Engine Issues
Unreal Engine Issues
Geometry Collection's Chaos Cache Static Pose Scrubbing broken in 5.6 due to Custom Renderer GeometryCollectionRootProxyRenderer
UE - Simulation - Physics - Destruction - Aug 26, 2025Geometry Collection's Chaos Cache Static Pose Scrubbing broken in 5.6 due to Custom Renderer GeometryCollectionRootProxyRenderer. The licensee has provided his analysis: In 5.6, when creating a Geo ...
NavMesh does not update properly when "Can Ever Affect Navigation" is toggled
UE - AI - Mar 27, 2015if I place a mesh with "Can Ever Affect Navigation" set to true, then set it to false, it will leave the NavMesh with a bugged "hole" that AI does not path around correctly (causing the "Blocked" er ...
A 5.5 level that contains a Text3DComponent in a BP crashes the engine when opened in 5.6 (and up)
UE - Virtual Production - Sep 11, 2025A 5.5 level that contains a Text3DComponent in a BP crashes the engine when opened in 5.6 (and up). The licensee has provided his analysis: Description: Level instance created in UE5.5 and re-saved ...
Window Size does not Change to iPhone 6 presets when in Standalone Game or Mobile Preview (PIE)
Tools - Apr 12, 2016You cannot adjust the Window size to the iPhone 6 or iPhone 6 + preset Common Window Sizes in the Editor Preferences. Regression: this did not occur in UE 4.10 NOTE: This does not occur in New Ed ...
Custom Nav Area Not Affecting Nav Mesh Until Restart
UE - AI - May 2, 2016When using a Nav Modifier volume with a custom Nav Area class, the Nav Mesh is not being affected until the editor is restarted. Found in 4.11.2 binary. Reproduced in 4.12 Preview 1 binary and Main ...
Nav Modifier Volumes continue to affect navigation when the sublevel is removed
UE - AI - Oct 13, 2016Nav mesh is still affected by a nav modifier volume when added to a sublevel and then the sub level is removed. Topdown character will not move into the space affected by Nav Modifier volume so not ...
Some materials render black on Iphone 6 series phones
UE - Platform - Mobile - Oct 6, 2016Some materials are not rendering on iphone 6 series devices. They will render completely black on one device but not others in the same series. Replacing the material with a basic material renders o ...
Translating sockets in Persona is not affected by Snap Options
OLD - Anim - Dec 14, 2016In Persona, moving a socket around is not affected by any changes to snapping (scale or size). Rotation is affected however. ...
Can Ever Affect Navigation Option Being Reset Upon PIE
UE - AI - Mar 29, 2016Upon PIE, the Can Ever Affect Navigation option is being reset on the capsule component of an empty character. Dragging the empty character into the level, setting the option to true, and then playi ...
Crash opening a project (in 4.6.1) created in a newer version of the editor (4.7)
Tools - Feb 4, 2015This crash apparently occurs when a project either created or converted into 4.7 is opened in 4.6(.1). User quotes include: "booted up project. instant crash. " "trying to open a project made in 7. ...