Hot Reload cannot be performed when using the DebugGame Editor configuration

UE - Foundation - Cpp Tools - Hot Reload - Dec 31, 2018

In 4.21.1 it is no longer possible to perform a Hot Reload when the game is open in the Editor and using the DebugGame Editor configuration. REGRESSION: Yes. A Hot Reload was possible in 4.20.3 whe ...

iOS App Store ITMS-90809: Deprecated API Usage from UIWebView APIs

UE - Online - Sep 19, 2019

Users are receiving "ITMS-90809: Deprecated API Usage - Apple will stop accepting submissions of apps that use UIWebView APIs . See [Link Removed] for more information. " issue when submitting apps. ...

Tessellation Materials are not working on Landscapes

UE - LD & Modeling - Terrain - Landscape - Dec 17, 2019

Tessellation is not working on landscapes, but it does works fine on static meshes. This is a regression from 4.23.1 (CL-9631420) where the tessellation was visible with this setup. This was tested ...

Reading curves from an FBX incorrect with FFbxCurvesAPI

UE - Anim - Sequencer - Dec 20, 2019

A licensee has brought up some inaccuracies in the reading of curve data from FBX files: #1, Remove calls to SetKeyInterpMode, SetKeyTangentMode, SetKeyTangentWeightMode, and change them to NewKey. ...

Adding a camera cut track through sequencer scripting does not set the movie scene's camera cut track

UE - Anim - Sequencer - Mar 13, 2020

When adding a camera cut track through sequencer scripting there is no way to set the camera cut track on the movie scene, which is how the add track menu determines if a new one can be added. This ...

MediaFramework - Webcam Video input shows as black in Media Player

UE - Media Runtime - Media Framework - Aug 17, 2021

Alejandro Arango 3 days ago In fact, it seems the 4.27 changes are conditioned by WMFMEDIA_PLAYER_VERSION . So the only change needed is in WmfMedia.Build.cs . They only need to change it to say: P ...

A crash happens with a combination of Event Receive Tick AI and a pawn losing possession

UE - AI - May 18, 2022

User reports this is a regression because it worked in 4.27, but they converted to 5.0.1 and now it causes a crash. However, I'm unable to verify this at this time. A crash happens with a combinati ...

Foliage Details require users to drag up the window causing confusion

UE - Engine Scaling - Streaming - Foliage - Oct 12, 2022

Tested in: //UE5/Release-5.0 CL 20979098 //UE5/Release-5.1 CL 22346211 Both had the same results of the details panel having no major indication of how to see it. Foliage Details require users to ...

Cable Actor resets to initial end point position when moving the actor while Attach End is disabled

UE - Runtime - Simulation - Apr 4, 2023

This is a regression. Tested in //UE5/Release-5.1 CL23901901 Additionally, I placed the cable actor in a sequencer then keyed several changes in position. The Cable actor had the same behavior of r ...

Performance concerns with control rig component initialization

UE - ACT Character - Control Rig - May 18, 2023

Report from a licensee that InitializeControlRigComponent using CR_Frame_Destructible in city sample is taking a lot of frame time.  It seems that a lot of time is being spent hashing and also URigV ...