Unreal Engine Issues
Unreal Engine Issues
Ensure occurs when turning on Constraints in Advanced Show Flags
UE - Graphics Features - Jan 11, 2017An ensure occurs when Constraints are toggled on in the show options. Note After the ensure, you can toggle Constraints off and on freely This is a Regression from 4.14.3 ...
Advanced Vehicle Template FirstPerson camera position is different between C++ and Blueprint versions
Docs - Samples - Feb 2, 2017The camera positions for firstperson mode in advanced vehicle template are different between the code and blueprint versions This is not a regression as it happens in 4.14.3 ...
Some components duplicated by Sequence Recorder
UE - Anim - Sequencer - Feb 23, 2017Some components duplicated by Sequence Recorder Regression: YES Worked: 3249277 (4.14.3) Broken: 3299760 (4.15.0) ...
Crash On Launch When Using Leap Motion Character
UE - Platform - XR - Mar 1, 2017The editor is crashing on launch when the Leap Motion plugin is enabled and a leap motion character is being used. This did not occur in 4.14.3. This is a regression. ...
Static Mesh Navigation Collision Properties Not Being Saved Correctly
UE - AI - May 10, 2017Setting properties for a static meshes Navigation Collision and then reopening the mesh causes them to be reset. This does not appear to occur in 4.14.3. This is a regression. ...
Soft Contraint's Stiffness and Damping settings don't affect anything
UE - Simulation - Physics - May 19, 2017The settings for "Stiffness" and "Damping" in the Soft Constraint setting for Physics Constraints doesn't seem to have an effect on anything. Regression?: No This also occurred in 4.14 ...
[CrashReport] UE4Editor-MetalRHI.dylib!FMetalVertexBuffer::FMetalVertexBuffer()
UE - Graphics Features - Jul 25, 2017This is a common Mac crash that has affected users since at least 4.14. Unfortunately users have not provided any descriptions of their actions when the crash occurred. ...
BeginPlay not called for Post-Process Anim Instance
OLD - Anim - Oct 29, 2019Post-Process Anim Instances do not have BeginPlay called. The proposed fix is to addif (PostProcessAnimInstance) { PostProcessAnimInstance->NativeBeginPlay(); PostProcessAnimInstance->Blu ...
Sequencer particle toggle tracks evaluate one extra frame
UE - Anim - Sequencer - Jul 1, 2020It looks like particle toggle tracks use TimeRangeToNumberRange which gives the incorrect range as a result of CL 10893518 which fixed [Link Removed]. ...
Deterministic cooking issue caused by ParticleModuleTypeDataGPU
UE - Niagara - Jan 18, 2021This problem is similar to the following case. [Link Removed] [Link Removed] It seems to have been fixed in 4.16, but the licensee reported it in 4.25. ...