Unreal Engine Issues
Unreal Engine Issues
Blueprint Actor cannot delete implemented interface when Interface is converted to an Event.
UE - Gameplay - Blueprint - Dec 11, 2019In Editor, When you remove a return value parameter from a Blueprint Interface function's Output Category. (so there are no return values), it becomes an event. In any Blueprint that implements the ...
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 ...
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 ...
Animation Interpolation will not occur if the Evaluation Rate is set at the same value as skipped frames
OLD - Anim - Nov 18, 2016When an animation is skipping frames, interpolation will not occur if the Max Evaluation Rate is set to the same number as the number of frames being skipped (or 1 frame higher). The Eval Rate will ...
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 ...
HTML5 packages cause an error when being launched onto Chrome 32/64-bit and Firefox 32-bit
UE - Platform - Mobile - Sep 27, 2017Attempting to launch a project packaged for HTML5 on Google Chrome 32/64-bit or Firefox 32-bit results in an error. According to Nick Shin, this is due to asm.js and does not include in newer versio ...
Using the HighRes Screenshot command in a shipping packaged build crashes the game
Tools - Oct 20, 2017Using the HighRes Screenshot command in a shipping packaged build crashes the game. This issue does not display a callstack or the crash reporter, simply a message that says fatal error then closes ...