Unreal Engine Issues
Unreal Engine Issues
No error message when connecting a non-convertible pin type on a MakeSet node
UE - Gameplay - Blueprint Editor - Jul 19, 2019No error message when connecting a non-convertible pin type on a MakeSet node. The connection fails silently. I have not checked this issue on Linux or Mac. This was also seen in //UE4/Release-4 ...
Fountain emitters are constantly showing errors in the timeline and are not displaying correctly
UE - Niagara - Mar 4, 2021This issue is not present in 4.25.4 You can also avoid the problem if the LoopBehavior of the EmitterState is Multiple and LoopDelay is enabled. [Image Removed] It seems to be a binding of certai ...
Live Coding doesn't auto-compile upon reopening a project
UE - Foundation - Cpp Tools - Live Coding - Apr 20, 2022When creating a C++ class and compiling utilizing Live Code, upon creating a blueprint class utilizing that C++ class as it's parent and restarting the editor, the blueprint class loses it's parent ...
Landscape Mountains Content Is Bugged When Updating Engine Version (P_BirdsClose_Circling)
UE - Graphics Features - Sep 30, 2016When updating the P_BirdsClose_Circling to a new engine version (4.12.5 or higher) the particle system breaks. ...
Editor crashes when connecting Eye Adaptation to Base Color
UE - Graphics Features - Apr 11, 2019This problem occurs when we use the Eye Adaptation node for calculations. Also, it does not seem to happen in 4.21. ...
Duplicating SkeletalMesh in packaged game causes crash
UE - Graphics Features - Nanite - Mar 11, 2025This code worked until UE5.4. NaniteResource added in 5.5 causes this issue. ...
Editor is crashing on Startup after opening a copy of older project
UE - Foundation - Core - Jan 16, 2015Edit: Looks like failing to read the DDC when compiling global shaders User is getting a crash when they are attempting to open a copy of their project from version 4.4.3. Attached CrashLogs, DXd ...
Rendering a movie captured from Sequence Recorder does not capture accurately
UE - Anim - Sequencer - Nov 18, 2016This was discovered when I wanted to capture a physics bug and was joked to capture it in Sequencer. When attempted, it accurately captured what happened when played in the viewport, but when it was ...
Compiling a blueprint with SetCollisionResponseToChannel Causes Crash
UE - Gameplay - Dec 5, 2016When using a blueprint with a destructible component, you can call the SetCollisionResponseToChannel node of that component in the construction script. As a result the engine will crash when attempt ...
Switching to different modes in the Modes panel causes PIE to take input from a connected VR headset for the Y axis camera movement
UE - Platform - XR - Dec 9, 2016If a VR headset is connected, it will be used for Y axis camera input in PIE if you have switched to and from the Landscape tab in the Modes panel. You can fix this temporarily by reopening the edit ...