Unreal Engine Issues
Unreal Engine Issues
Sequencer - When a subsection has negative play rate, any nested sub-subsections fail to evaluate
UE - Anim - Sequencer - Jul 3, 2025Consider a sequence hierarchy with more than two layers. If the top-level sequence uses a negative timescale on a sub-sequence, the contents inside it animate as expected, but any nested sub-sequenc ...
Ensure When Pasting Timeline Node that was Previously Connected to a Node into a Function
UE - Gameplay - Blueprint - Nov 4, 2016An ensure is occurring when pasting a timeline that was once connected to a node into a function in blueprint. Regression: No, this also occurs in 4.12.5. ...
Changing hierarchical instanced meshes' transforms on tick spams output log with warning
UE - Graphics Features - May 27, 2015When several Hierarchical Instanced Mesh Components are spawned and then their transform altered on tick, the log is spammed with the message: LogStaticMesh:Display: Discarded foliage hierarchy of ...
Changing the scale of the widget reflector makes it harder to select actors in the viewport
Tools - Dec 29, 2014When changing the scale of the widget reflector it changes the scale of the selection bounds of actors in the viewport. Example: When hovering over a box at a 2.0 scale I will select the wall someti ...
Crash when Changing Source File and Re-Importing Mesh used in Mesh Particle System
UE - Graphics Features - Aug 2, 2016A licensee has reported a crash when re-importing a mesh being used within a Mesh Particle system. Regression? Yes, this crash does not occur in the 4.11.2 binary release. Link to Crash Logs: [Lin ...
User cannot undo the automatic changing of Mobility settings
Tools - Sep 12, 2016When the users causes a component to automatically change its Mobility setting by changing that setting on a parent or child component, undoing that change only affects the manual change caused by t ...
Clicking the yellow text while recording an animation in Persona no longer stops the recording
OLD - Anim - Oct 5, 2016No longer able to stop recording an animation by clicking the yellow text in the Persona viewport even though the tooltip when hovered over it states that you can. This is a regression from 4.13.2 ...
changing physics type to simulated causes bodies to simulate in phat
UE - Simulation - Physics - Jan 18, 20171. open qa game 2. open a physics asset with multiple bodies 3. select a body and set its physics type to Simulated. 4. Notice simulation starts immediately even though we are not simulating. ...
Editor crashes after redoing the addition of a component to a static mesh actor
Tools - May 30, 2017This is not a regression. This also occurs dating back to 4.15 and 4.14. The editor crashes on this check in FLevelEditorActionCallbacks::Paste_CanExecute() when updating the Edit menu state: chec ...
[CrashReport] MetalRHI crash - void FForwardLightingParameters::Set<FRHICommandList, FRHIPixelShader*>
UE - Graphics Features - Jul 20, 2017This is a common crash affecting Mac users in 4.16. User DescriptionsI tried to build the lighting and it keeps crashingWhenever I attempt to build the project or change the preview rendering to IO ...