Unreal Engine Issues
Unreal Engine Issues
Malformed command sent to UAT if BuildCookRun command ends with a trailing slash ("\")
UE - Foundation - Cpp Tools - Feb 14, 2019Including a trailing slash ("\") at the end of a BuildCookRun command sent to UAT results in UAT receiving a malformed command. If the command ends with a slash, the resulting command that UAT recei ...
gltf 2.0 Blender Polly Import crashes
OLD - Enterprise - Aug 29, 2019Trying to import the Polly sample model for gltf 2.0 crashes Editor. User know that the Plugin is experimental but as the Polly Model is used for Blender gltf development, it should work. The crash ...
Spherecast against complex geometry is returning odd results
UE - Simulation - Physics - Sep 19, 2023Turning on batching of sphere casts when colliding against complex gives incorrect results. Affects debug output and vehicle wheels and body movement. The issue is with the batch query mode which ...
Clear Coat looks incorrect in the Preview when Energy Conservation on Material is enabled for non Substrate rendering
UE - Rendering Architecture - Materials - Apr 11, 2024Enabling Energy Conservation on Material makes Clear Coat Material look weird in Preview. It looks fine in the Level Editor, but not in any "Preview" type viewport (Material Editor, Asset Thumbnails ...
UAT crashing at end of build calling FScopedSceneLock_Chaos::LockScene()
UE - Simulation - Core - Nov 7, 2024UAT has intermittent crashes at the end of packaging. Looks related to [Link Removed] . Could be that the solver is being destructed after the null check earlier in the function if this is multit ...
Child actors cannot be recognized as children of parent actor within parent blueprint
UE - Gameplay - Blueprint - Jul 16, 2015Parent blueprints do not recognize child class actors as the same type as the initial parent blueprint. This makes it difficult to create a master blueprint for spawning/ai control/etc. ...
Material stats incorrectly flag 17/16 samplers even if GL4 allows 32
UE - Rendering Architecture - RHI - Jul 15, 2015From AnswerHub: Utilising 128 textures in a material does not work in Linux, its still limited to 16 (actual 12) on OpenGL platforms, I looked at the commit that implemented it and I don't see anyth ...
A Blueprint containing a child actor component containing another Blueprint that derives from NavLinkProxy does not provide a nav path when a project is opened until paths are rebuilt
UE - AI - Jun 1, 2015If a Blueprint is derived from NavLinkProxy, and then that Blueprint is added to another Blueprint as a ChildActorComponent, the second Blueprint's Smart Link functionality will not work when the pr ...
Nativized widget with String table data crashes packaged game
UE - Gameplay - Blueprint - Jun 1, 2017There is a crash that is occurring for packaged games that use the string tables and nativized blueprints. This issue only affects a packaged build of the game. Testing for this issue did not yield ...
Decal creates lighting artifacts on edge of meshes
UE - Graphics Features - Aug 22, 2017When using deferred decals there are artifacts that are caused by the emissive color of the decal when viewing the decals from a low angle. These artifacts appear as thin lines on the edges of the m ...