Unreal Engine Issues
Unreal Engine Issues
Unable to open editor after updating to latest AMD driver
UE - Graphics Features - Oct 30, 2017After updating to Radeon Software 17.10.3 I can no longer open the editor. This has been seen on both a R9 390X and a R9 290. If I use AMD's Auto-detect software it's recommended version is 17.7.2 ...
Character No Longer Able to Use Nav Link After NavMesh Update
UE - AI - Feb 10, 2017Causing a Nav Mesh update, such as by moving an actor into the NavMesh that will create a hole, seems to be breaking Nav Link Proxies by preventing characters from being able to use them. ...
Update FLevelEditorViewportClient::InputAxis to forward mouse axis events as well
UE - Gameplay - Input - Feb 23, 2023FLevelEditorViewportClient::InputAxis needs to be updated to use the device mapper and FInputDeviceID's instead of the old int 32 ControllerID. Looks like this was missed during the refactor to use ...
Updating niagara with Advance Simlation during game pause causes memory leak
UE - Niagara - May 12, 2025When updating the niagara component in AdvanceSimulation with a tick, the memory of the Niagara tag keeps increasing between pause and resume. ...
Dynamic navmesh update causes navlinks to reset to their default state
UE - AI - Dec 16, 2019Updates to dynamic navmesh cause navlinks to reset to their default state. Navigation still shows the path as accessible even though it isn't. This is a regression from 4.23.1 (CL-9631420) where th ...
HUD screenspace does not update correctly when user plays in a different resolution
UE - Editor - UI Systems - May 5, 2020HUD drawing does not update correctly when the user changes the viewport resolution, resulting in unexpected offset. Safe zones appear to get stuck being enabled even after changing resolution pres ...
Changing WidgetComponent's Background Color doesn't update the widget's background color
UE - Editor - UI Systems - Apr 29, 2020It appears that changing the Background Color of a widget component doesn't immediately update the widget's render target. Toggling "Draw at Desired Size", however, does get the changes to reflect i ...
Object Type (Collision presets) not updating immediately after toggling 'Simulate Physics'
Tools - Sep 23, 2018Collison -> Collision Presets -> Object Type does not immediately update when toggling simulate physics. Tested in Main CL 4374913 ...
Vive - Motion Controller Component - Low Latency Update Regression
UE - Platform - XR - May 22, 2019Motion Controller component attachments lag behind parent. Not happening on Oculus Rift Workaround: Set "Disable Low Latency Update" on your Motion Controller Components to 'true' User Sub ...
Update Instance Transform Rotation for HISM isn't working in a packaged game
UE - World Creation - Worldbuilding Tools - Foliage - Aug 22, 2018Using 'Update Instance Transform' to rotate HISM instances will work in PIE, but won't work in a packaged game. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in ...