Unreal Engine Issues
Unreal Engine Issues
Crash when importing an Alembic file with Materials as a different asset type than one that already exists
UE - Gameplay - Aug 8, 2016This will occur when changing between all Import Types (so long as Create Materials is checked). The callstacks are slightly different depending on which Import Type you switch to. [Link Removed] ...
Unable to save project due to user created blueprint node that creates user created object
UE - Gameplay - Blueprint - Apr 28, 2015When a user creates a blueprint node of their own that is used to spawn a user created object, the project becomes unable to be saved after the blueprint is put into use. ...
Calling SetNavigationRule for widgets at runtime does not update the Nav Rule
UE - Editor - UI Systems - Sep 25, 2017Calling SetNavigationRule at runtime does not update the widget navigation of the selected widget. Regression: No - same behavior occurs in 4.16.3 (CL 3561208) ...
AppleARKit forces view projection matrix according to device viewport
UE - Platform - XR - Nov 5, 2024[Link Removed] ...
Any Alpha value set in a FLinearColor used to draw a line on a Canvas HUD is ignored when the line is drawn
UE - Graphics Features - Apr 21, 2015If an Alpha value is set in a FLinearColor that is used to draw a line on a Canvas HUD, the Alpha value is ignored when the line is drawn. A comment in BatchedElements.cpp indicates that some legac ...
OnKeyDown does not function in packaged game
UE - Editor - UI Systems - Jul 17, 2015Pressing down a key for a widget blueprint works in PIE however, it's not functioning once the project is packaged. Project Rar File: [Link Removed] ...
Hot reload causes AnimBlueprint to lose functionality and crash
OLD - Anim - Mar 31, 2015Casting to a character class inside of AnimBlueprint after a hot reload caused editor to crash Crash Reporter: [Link Removed] Additionally, Casts fail, breaking AnimBlueprint after a hot reload ...
User Play Space Rot does not change anything in Client Play Camera Shake
UE - Gameplay - Jun 11, 2015User does not change anything in Client Play Camera Shake. Reproduced in 4.8 and Main (//depot/UE4/Promotable-CL-2581498). This is a Regression: it works as expected in 4.7.6 ...
iOS Metal-based build crashes at launch with sub-levels.
Tools - May 16, 2016Application crashes when deploying a game to iOS with Metal enabled. This has only been reproduced if a sub-level has been added to the starting level within the project. This seems to only happen ...
Resetting material instance parameters to default value does not update the appearance of the object that the material is applied to
UE - Rendering Architecture - Materials - Mar 10, 2025When a material instance with exposed parameters is applied to a landscape; the parameters set to a new value and then reset to back the default value, the landscape does not respect the new default ...