Unreal Engine Issues
Unreal Engine Issues
Interaction between sublevels and LevelSequences can break actors attachments hierarchy of the sublevel.
UE - World Creation - Worldbuilding Tools - Aug 6, 2025Having a LevelSequence opened and unhiding a sublevel can break the attachment hierarchy of the actors that are inside the sublevel. This also affects to the sublevel asset itself. ...
If using High Quality Gaussian DoF on Mobile, the whole screen is always blurred
UE - Platform - Mobile - Jun 17, 2020When High Quality Gaussian DoF on Mobile is enabled, the entire screen is always blurred. I confirmed that it works properly in 4.24. Also, I confirmed that adding the modified CL of [Link Remove ...
Max loop iteration threshold not being reached before infinite loop is triggered
UE - Gameplay - Blueprint - Aug 29, 2019Infinite loop is called when the loop is implemented by only one, one time. When the set up should not flag anything until iteration 1,000,000. [Link Removed] [Link Removed] ...
[Interchange][FBX] Import of custom collision add the collision mesh material slot to the mesh material slot
UE - Editor - Content Pipeline - Import and Export - Jan 20, 2025cf part 2 of that UDN https://udn.unrealengine.com/s/question/0D5QP00000rP4CG0A0/interchange-custom-collision-changes-from-fbx-pipeline?fromCase=1 ...
Crash on PIE with varying number of players
UE - Networking - Jan 26, 2015User crashes on PIE when number of players is set to two in the "Play" drop down menu. No crash if number of players are set to 1,3, or 4. Additionally, setting the "Dedicated server" checkbox to ...
Navmesh drawing is not visible during Simulate or PIE unless Supported Agents includes the first agent
UE - AI - Navigation - Jan 29, 2020In Simulate or PIE it is not possible to see any Navmesh Volumes past the 1st in a multi-navmesh setup. Any Nav Volumes after the 1st need to have the 1st one enabled for them to be drawn in the Lev ...
USD Stage Import - Spawned actors by USD importer are not saved in level
UE - Editor - Content Pipeline - USD - Jul 20, 2023we ran into an issue with USD Importer plugin for Unreal 5.2. When you import a USDStage with the "actors" import option - which respawns the newly imported actors into the current level. However, ...
Blocky terrain artifacting on iPadPro
UE - Platform - Mobile - Dec 23, 2015When moving the camera, the surface of terrain becomes very blocky on the IpadPro (9.1.0) The licensee reports this also happens without Metal This didn't occur the iPad Air2 (9.0.2) here using th ...
EQS spheres are not fading from red to green based on their values
UE - AI - Sep 30, 2016EQS spheres are not fading correctly where red = 0 and green = 1 This is a regression as it is working correctly in 4.13.2 at CL 3145013 ...
The Details Panel overlaps search bars when resized
Tools - Dec 2, 2019The search fields overlap when the details section in the Details Panel is dragged up as high as possible. This also occurs when when the Details Panel is compressed. Found in 4.23.1 CL#9631420 ...