Unreal Engine Issues

Lens Flares are appearing in Other Player's Windows

On a Windows 8.1 Platform with an Nvidia 960 card, Lens Flares when playing with 2 Player's (without a dedicated server) are appearing in the wrong window. So, Player 1 is looking at sun, Player 2 ...

LogHttp:Warning: 0000024E4A050880 Response Header Content - Issue with the Survey

LogHTTP:Warnings are populating in the output log when the editor opens any project in 4.15.1 This is not occurring in //UE4/Main This is not occurring in 4.14.3 Marking as regression WarningsLo ...

Vive Trackpad X and Y always return 0

Platform-specific input for pad axis in 4.24 leads to missing value in VIVE. in 4.23.1 this is not reproduced. ...

Using a Wait Delay node on Linux causes editor to immediately close without crashing

If a call is made to the blueprint node Wait Delay the editor will immediately close during PIE when the call is made without the crash reporter appearing. The "Wait Delay" node only exists on Linu ...

Crash when Copy/Pasting from Older UE Versions

When copy/pasting scene objects from older Unreal versions into Unreal 5.1, the editor will crash. ...

ResetToDefault() incorrect behavior with multiple components selected with different defaults

In the blueprint editor when selecting multiple components and resetting a property that exists on both components to its default value, when the components had different default values the editor r ...

Niagara - When Interpolated Spawning is disabled, the first frame of each particle unexpectedly does not take into account the Particle Update stage

Foreword: Even if the behavior described here is by design, it is rarely (if ever) expected or desired. This was discussed and agreed to be treated as a bug. Explanation below. When interpolated sp ...

Precomputed Visibility no longer calculated on Landscapes

Placing a Precomputed Visibility Volume around or through a landscape does not seem to calculate precomputed visibility for that landscape. This is a regression from behavior in 4.7.6. Also Tested ...

IOS deviceCrash when input Korean Charactor on EditableTextBox

UV Rotation does not work for video materials

The rotation parameter of video materials does not function in Twinmotion 2024.1.2 and Twinmotion 2025.1 PR. Adjusting the slider does not have any effect. Feature last worked in Twinmotion 2023.2 ...