ShaderCacheTool build fails

UE - Graphics Features - Oct 25, 2017

In 4.18 and 4.19, it is no longer possible to build the ShaderCacheTool. REGRESSION: Yes. The ShaderCacheTool builds successfully in 4.17.2. It looks like the missing MergeShaderCacheFiles property ...

Convex Collision is incorrect for negatively scaled object that are attached to a physics actor

OLD - Anim - Oct 26, 2017

Convex Collision is incorrect for negatively scaled object that are attached to a physics actor. This doesn't happen for object with standard collision or object attached to non-physics actors. The ...

Editor Crashes After Building Lighting with Blueprint Set to Native Parent Class: Light

UE - Graphics Features - Oct 26, 2017

Whenever a Blueprint set to Native Parent Class: Light is placed into a level, Editor crashes after building lighting. The Blueprint does not need to contain an actual light component to crash the e ...

Cannot package a plugin that depends on another plugin

UE - Foundation - Cpp Tools - Plugin System - Oct 26, 2017

When a plugin has another plugin enabled in its .uplugin folder, attempting to package the first plugin will result in an UBT error. ...

Child class references are not shown after restarting the editor

UE - Gameplay - Blueprint - Oct 27, 2017

Child class references are not shown after restarting the editor. However, the other reference will show up if the child blueprint is currently open. ...

Videos of certain sizes no longer display in media players

Media Framework - Oct 27, 2017

Videos of certain sizes no longer display in the Media Player, this also applies to when the media player is a texture or in a material. This issue appears to be a regression. Versions Tested 4.16. ...

Error when using GetMass without Simulate Physics enabled

OLD - Anim - Oct 31, 2017

When using GetMass on an Actor Blueprint, an error is displayed when Simulate Physics is disabled, but GetMass executes successfully. Error Message: BP_Actor_80.MaterialSphere MaterialSphere has t ...

Some text in the Editor displays in a very small font size

Tools - Oct 31, 2017

Some of the text in the Cascade editor in 4.18 is very small compared to other text in the Cascade editor. This was seen on a MacBook Pro with Retina display. It appears to be related to high resolu ...

Spinbox displays values that differ from the value of the delta

UE - Editor - UI Systems - Nov 1, 2017

Spinbox displays values that differ from the value of the delta, when values are displayed for a spinbox their value always reads in the 0.000001 values, instead of listening to the delta. Unsure if ...

Find in Blueprints search does not work with ":" or "=" symbols.

UE - Gameplay - Nov 3, 2017

When adding comments to Blueprints with ":" or "=" symbols at the end of the comment results in searches not working. Searching for "todo:" will not work but removing the ":" results in a successful ...