Unreal Engine Issues
Unreal Engine Issues
Converted 4.7.2 project crashes on open after successful recompile
UE - Gameplay - Blueprint - Mar 13, 2015User's Project is crashing since converting to 4.7.2. I have attached the project itself below, but after conversations with the user and seeing pieces of the project, this issue may be related to ...
Regression for changes in code character movement not affecting multiplayers
UE - Foundation - Core - Jun 26, 2015If MoveForward() function is changed to affect the speed of the player, when playing in a multiplayer game player 1 will be affected by the change but player 2 will not be. This is a regression - i ...
Navmesh breaks after hitting build or build>paths after upgrading to 4.7.2
UE - AI - Mar 10, 2015Navmesh breaks and repeats pattern from individual landscape section when a project is updated to 4.7.2 and then build or build paths is pressed. ...
Editor Crashes after updating to 4.7.2
UE - Graphics Features - Mar 7, 2015Crash Reporter [Link Removed] User installed UE4, version 4.7.1 few days ago and I hadn't any problems with launching Unreal Editor. After upgraded the engine to 4.7.2 is getting crash every time ...
Objects with physics enabled do not show up in 4.7 preview 2 (when upgraded form 4.6)
UE - Gameplay - Jan 12, 2015After upgrading from 4.6 to 4.7 preview 2 objects that are set to simulate physics will not show up if the user uses the mobile preview. ...
iOS apps crash on devices with iOS version 11.2.2 when Metal 2.0 is enabled
UE - Platform - Mobile - Jan 22, 2018Launching an iOS App that is set to Metal 2.0 on a device with iOS version 11.2.2 causes the app to crash and return to the home screen. This was tested on an iPad Pro as I do not have access to any ...
Enum to Byte conversion returns 2 for the first enum then 4 then 6 and so on rather than 0, 1, 2, etc
UE - Gameplay - Blueprint - Sep 1, 2015Enum to Byte conversion returns 2 for the first enum then 4 then 6 and so on rather than 0, 1, 2, etc. This is a regression; does NOT occur in 4.8.3. Reproduced in 4.9.0 binary and Main (2675088) ...
Affect Indirect Lighting While Hidden can affect the environment after data layer unload in editor
UE - Graphics Features - Sep 9, 2024After setting Affects Indirect Lighting While Hidden but before saving the level, the emissive contribution persistents through datalayer visibility toggles. This does not appear to occur in PIE, on ...
Changing the scale of a single HISM instance greatly affects the LOD selection of all instances
UE - Rendering Architecture - Sep 22, 2025When using ISMs and HISMs, each instance can have its own transform, which can affect the LOD selection of one or more instances. For HISMs in particular, changing the scale of a single instance gre ...
Custom Nav Area Not Affecting Nav Mesh Until Restart
UE - AI - May 2, 2016When using a Nav Modifier volume with a custom Nav Area class, the Nav Mesh is not being affected until the editor is restarted. Found in 4.11.2 binary. Reproduced in 4.12 Preview 1 binary and Main ...