Unreal Engine Issues
Unreal Engine Issues
Bug in StringTemplate.cpp related to modulo operator in MaterialTemplate.ush (code fix provided)
UE - Rendering Architecture - Materials - Jun 25, 2024Shader Template files like MaterialTemplate.ush do not submit previous chunks when encountering a `%` character, unless that `%` character is `%s` or `% {...} `. Because the error is happening ...
PN Tessellation and Grass Node Crash Engine
UE - LD & Modeling - Terrain - Landscape - May 14, 2015Landscape Materials which use the new Grass Output and have Tessellation turned to PNTriangles will crash the engine Also reproduced in Main Promotable-CL-2550487 & Releases/4.8/Promoted-CL-255045 ...
HTTP If-None-Match response code is incorrect on Macintosh
Tools - Sep 22, 2016Macintosh implementation for HTTP requests handle If-None-Match against ETags differently than Windows implementation. ...
Opening Persona causes editor to crash on Linux
UE - Platform - Linux - Nov 17, 2016Attempting to open a skeletal mesh or animation in Persona causes the editor to crash. Regression: Yes Working: 4.13.2 - CL 3172292 Broken: 4.14.0 - CL 3195953 ...
5.3 crashes when loading a map with an actor that had the class of one of its components changed
UE - Gameplay - Components - Feb 1, 2024Create a blueprint based on actor, give it a SceneComponent named ExampleComp (BP_TestActor) - this should be the blueprints only componentCreate a new level (TestMap), place an instance of the bluepr ...
Slow-rendering thumbnails can be queued up for real-time updates
UE - Editor - Content Pipeline - Content Browser - Sep 22, 2016A licensee is seeing performance drops while using the editor due to a custom thumbnail renderer taking a while to generate thumbnails while Real-Time Thumbnail rendering is enabled, and has request ...
Debug lines can be obscured by post processing effects
UE - Graphics Features - Sep 14, 2015Debug lines (Results of DrawDebugLine()) can be obscured by post processing effects such as a strong glare. Debug lines should be always visible for debugging purposes. ...
SunTemple is washed out in one color on some Android devices.
UE - Platform - Mobile - Jan 16, 2017This was discovered during the 4.15 mobile compat. ...
Viewport has graphical glitch while editing but not in PIE
Tools - Feb 6, 2015User has a project that the viewport has gotten corrupted. The icons are now no longer camera facing and are facing in the positive y axis. The sun disc and sky are blurred. When PIE everything rend ...
Scene Capture 2Ds Ignore Separate Translucency Settings
UE - Graphics Features - Jun 3, 2015When you place a Mesh with a Translucent Material using Separate Translucency in the view of a Scene Capture 2D using Gaussian DoF, the resultant capture will ignore the Separate Translucency Settin ...