Unreal Engine Issues
Unreal Engine Issues
Collision Viewmodes do not affect Instanced Meshes properly
UE - Graphics Features - Apr 9, 2018Collision View modes, such as Player Collision and Visibility Collision, do not work with Instanced Static Meshes. Regression?: No This also occurred in 4.18 ...
Foliage Disappears Using OpenGL4 in Packaged Game
UE - Graphics Features - Apr 11, 2018This issue cannot be reproduced in 4.18 but can be reproduced in 4.19.1 as well as Main (CL 3998250) therefore I am marking this as a regression. ...
Cannot add a non-static custom thunk to a code class
UE - Foundation - Cpp Tools - UnrealHeaderTool - May 7, 2018In 4.19, it is no longer possible to create a non-static custom thunk in a class. This was possible in 4.18.3. REGRESSION: Yes. ...
The order of Actors assigned to a Physics Constraint affects the simulation
UE - Simulation - Physics - Jun 8, 2018The order in which actors are listed on a physics constraint affects the physics simulation. This should not make any difference in how the physics are simulated. Regression?: No This occurred in ...
Setting collision enabled on a primitive component fails if the owner's collision is disabled
UE - Simulation - Physics - Jul 17, 2018Attempting to edit the "Collision Enabled" setting of a primitive component while the owner's collision is disabled results in no changes. Regression?: No This occurs in 4.18 ...
Unable to use drop down for tooltip widget
UE - Editor - UI Systems - Apr 23, 2019The tool tip widget drop down appears to be grayed out and unusable. This feature was available in the 4.18 version of the engine but not longer appears to be usable. ...
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. ...
Can't connect Date Time and Time Spawn pins to math nodes
UE - Framework - Blueprint Editor - Feb 2, 2023we can do a "cheap fix" here by adding the "IgnoreTypePromotion" metadata to the date time functions, but there are some underlying issues with the FindBestMatching func in this case causing it to f ...