Unreal Engine Issues
Unreal Engine Issues
Lengthy Compile Times on Blueprints Containing an Array of Self References When Multiple Instances Exist in the Level
UE - Gameplay - Blueprint - Oct 11, 2016There are lengthy compile times with a blueprint with 50+ instances in the level that contains an array of self references. On lower-end machines, the compile times are upwards of 10 seconds. Found ...
Attempting to build MinidumpDiagnostics with Visual Studio 2015 Update 2 results in failure
UE - Foundation - Core - Jun 7, 2016When attempting to build the Minidump Diagnostics project from the UE4 source, it will fail if you're using Visual Studio 2015 Update 2. Please note that this does not occur in the base VS2015 or wi ...
Crash promoting a float pin from a split vector in Anim Blueprint
OLD - Anim - Jun 7, 2017REGRESSION Yes, does not occur in 4.16. Crash occurs when the user splits a vector pin on an anim node and then tries to promote one of the float nodes to variable. I could not reproduce this issu ...
Map load stalls in texture streaming code
UE - Graphics Features - Jun 13, 2017A change was made to AActor.GetComponents which appends the results instead of resetting the output array. This seems to only impact 2 places in the code, and has a big side effect in the texture st ...
shadow seam occurs when lighting is built after object is rotated
UE - Graphics Features - Jul 12, 2017There is an issue that is occurring where visible shadow seams appear after an object is rotated where it was not previously. CL tested 4.15.3 - CL 3450819 - Issue is present 4.16.2 - CL 3514769 - ...
Yellow 'Revert to Default' arrow disappears when not on screen
Tools - Jul 20, 2017When a details value is changed, the yellow 'Revert to Defaults' arrow next to the changed value will vanish if the changed setting is scrolled off screen. This also prevents the arrow from reappea ...
No Blueprint compile warning with an improperly copied component reference
UE - Gameplay - Blueprint - Sep 19, 2017When a blueprint's component reference is copied and pasted into a blueprint that does not have the copied component, the blueprint with the copied reference compiles Note: This occurs when the cop ...
Unable to use wrap with or replace with for widget components that are children of an expandable area component
UE - Editor - UI Systems - Sep 29, 2017With the expandable area widget component, you are unable to use the wrap with or replace with for widget components. This issue does not appear to be a regression. Versions Tested: Issue occurs in ...
BP node value changes if function parameter default value changes.
UE - Gameplay - Blueprint - Nov 2, 2017When a C++ function parameter has a default value, changing the default value will change any blueprint node of the function where the value is manually set. Regression: Yes - changing the default ...
Enable Per Poly Collision setting in skeletal mesh doesn't apply when adding mesh to level
OLD - Anim - Nov 30, 2017On a skeletal mesh, there is a setting under the Asset Details for "Enable Per Poly Collision". This check box can be checked, but the setting is not kept when the skeletal mesh is added to the leve ...