Unreal Engine Issues
Unreal Engine Issues
ShowdownVRDemo will not View Detail Lighting or Reflection Mode
UE - Graphics Features - Sep 9, 2015After opening the ShowdownVRDemo project and changing the view mode to either Detail or Reflection the view doesn't change. It still shows the image as if in Lit Mode. ...
Ribbon Emitters Do Not Properly Kill Trails On Source Loss
UE - Graphics Features - Nov 18, 2016"Dead Trail on source lost" doesn't seem to work consistently. This is apparent when the source emitter's duration is longer than the particles being emitted. This bug also occurs if there is vary ...
High framerates result in desyncs with clients when using a dedicated server.
UE - Networking - Apr 17, 2019When a client operates at a high framerate on a dedicated server, their player movement will become desynced with the server. This manifests in different ways on different versions. In 4.21, it caus ...
If user set ChunkID to a higher value, UpdateManagementDatabase will be very slow
UE - Gameplay - Sep 4, 2018If user set ChunkID to a high value, the construction process of the database managed by AssetMAnager becomes very long. The cause is the following code in UChunkDependencyInfo :: BuildChunkDepende ...
Duplicating meshes in blueprint improperly place transform widget and initially does not appear in viewport
UE - Gameplay - Blueprint - Jun 24, 2015If a mesh is duplicated within a blueprint components panel, it will be invisible in the viewport, the transform widget will incorrectly align itself and refrain from moving, and if the transform wi ...
Alt tabbing into the Blueprint Editor while a Microsoft IME keyboard is active causes the editor to freeze
Tools - May 15, 2017If you change focus to the Blueprint Editor (Alt+tab) while a Microsoft IME keyboard is active, the editor will freeze for a short time. The duration of the freeze is dependent on the number of blue ...
User defined struct variables with spaces do not import properly in cooked builds
UE - Gameplay - Blueprint - Aug 11, 2020DataTables exported to JSON in editor (UDataTable::WriteTableAsJSON, accessible by right clicking a data table and picking export to json) that contain variables with spaces or other outlawed charac ...
Behavior Tree has missing Service Nodes on project load
UE - AI - Dec 4, 2018In the project is Behavior Tree that implements some tasks, decorators and services, but for some reason, two of my tasks nodes gets initialized with all the pointers to their services set to null, ...
Characters will rarely spawn on top of each other in a networked session
UE - Simulation - Physics - Oct 31, 2016REGRESSION: Maybe (had one occurring of it happening in 4.13.2) When playing with multiple players at the same time in a networked session, it's possible if rare to have characters spawn so they st ...
Reproducible softlock on iOS
UE - Platform - Apple - Jul 18, 2023After performing the repro steps, screen will softlock unless you perform the "slide from 3 to 4, then back to 3" steps. Appears to be an iOS system bug, but see if we can find a workaround. ...