Unreal Engine Issues
Unreal Engine Issues
Lumen lighting in Presentations may appear darker than in Viewport
TM - Rendering - May 22, 2026Reported in SF [Link Removed] In some scenes with Lumen enabled, interior scene lighting without direct lighting can appear drastically darker in Cloud Presentations than they do in the editor view ...
Crash report window does not open on GitHub source builds
UE - Foundation - Core - CrashReportClient - Jun 13, 2016When using a source build of 4.12, the crash report client window does not open even if Crash Report Client is manually built alongside the editor. UPDATE: Only affecting Source builds from Github. ...
Preview Instance can still trigger print strings when you PIE
OLD - Anim - Apr 10, 2015In the given answerhub example, the user has a print string coming from IsNotValid on a check of *TryGetPawnOwner*. This is returning a false negative to him when he PIE's because the Preview insta ...
Behavior of Speed Up/Down parameter of Auto Exposure are different.
UE - Graphics Features - Apr 5, 2016Brend/Swtch multi PostProcessVolume to handle Auto Exposure with same Speed Up/Down parameter but behavior of Speed Up/Down parameter of Auto Exposure are different. Scene with. Unbounded PostProce ...
Android Galaxy S 3 (Mali) or Galaxy Note 2 (Mali) Mobile Devices Not Rendering BSP
UE - Platform - Mobile - Nov 13, 2014When the user launches a packaged game for the Android S3 Mobile Devices, any BSP's that were in the level are not visible. Collision still exists, but they are not visible when playing. ...
Logging in Shipping Builds on Android are not saving
UE - Platform - Mobile - Oct 17, 2016Logs aren't being saved on Android devices, even when the source files are updated to reflect output logs. However, they were working in 4.12. iOS logs are showing up in shipping. ...
Cannot PIE; Data Table Still Being Edited
Tools - Dec 22, 2015After making some changes to a Data Table, attempting to PIE fails and returns this error message: Cannot Play In Editor When Performing Edit MemberVar_1 operation. This occurs after closing and sav ...
Notifies near start of animation do not trigger when played through slots
OLD - Anim - Apr 6, 2016Notifies near the start of an animation do not trigger when played through slots with either the PlaySlotAnimationAsDynamicMontage or with a Montage. There could be other instances of this, but the ...
Editor Crashes When a Component and Actor Implement Two Interfaces
UE - Gameplay - Blueprint - Oct 16, 2015The editor crashes if you implement two blueprint interfaces in an actor blueprint, and then an actor component blueprint. These interfaces must have at least one function that returns a value. The ...
Light Banding for Point Lights at long distances from the World Origin
UE - Graphics Features - Jan 4, 2017When using a point light far from the world origin the light will have banding. The shadow bias and filter sharpen can help but they are not as consistent as settings near the world origin. The only ...