Scroll off set for "Scroll box" is incorrect after scrolling with the mouse wheel

UE - Editor - UI Systems - Sep 2, 2015

If the user uses a scroll box and then get the offset of the scroll box it will read correctly until the user uses the mouse wheel to scroll down. The scroll offset will then read lower than the act ...

Editor performance drops when locking read-only levels.

Tools - Sep 2, 2015

When locking read-only levels (via Levels->context menu), each frame we check that both the package exists on disk and whether the file is read-only. Performing this each tick can cause a substantia ...

Enum to Byte conversion returns 2 for the first enum then 4 then 6 and so on rather than 0, 1, 2, etc

UE - Gameplay - Blueprint - Sep 1, 2015

Enum to Byte conversion returns 2 for the first enum then 4 then 6 and so on rather than 0, 1, 2, etc. This is a regression; does NOT occur in 4.8.3. Reproduced in 4.9.0 binary and Main (2675088) ...

Adding a scene component to a child blueprint causes log warnings to appear in output log

UE - Gameplay - Blueprint - Sep 1, 2015

If a scene component is added to a child blueprint and the parent blueprint is compiled, a log warning will appear that states: "LogBlueprint:Warning: USimpleConstructionScript::FixupRootNodeParen ...

Destroying a Component doesn't trigger the OnComponentEndOverlap node

UE - Gameplay - Sep 1, 2015

Destroying a Component doesn't trigger the OnComponentEndOverlap node User Description: OK, so I have an actor with only one component: BoxCollision, with default settings. I place it on map. In m ...

Array inputs in Custom Events cause a compiler "note"

UE - Gameplay - Blueprint - Sep 1, 2015

Array inputs in Custom Events cause a compiler "note". On compile, "NOTE" is added to the node, and this appears in the Compiler Results: "Info No value will be returned by reference. Parameter 'Lis ...

External Reference Spam when converting projects to 4.9

UE - Foundation - Core - Cooker - Sep 1, 2015

Map Check message log gets spammed with External Reference warnings when a project is converted to 4.9 from a previous engine version. These warnings don't seem to actually do anything to projects o ...

Crash opening projects from GitHub master branch

Tools - Sep 1, 2015

Trying to create/open projects in the current github master branch will quietly fail at 94% with no crash error or logs.UE4Editor-Core.dll!rml::internal::Block::findObjectSize() UE4Editor-Core.dll! ...

UX Regression on Open Asset Panel

Tools - Aug 31, 2015

In 4.8.3, open asset would allow you to type the beginning on an actor name, then press the down key and select it. In 4.9 p4, it takes an extra down key press to get to the list; Upon first down a ...

Numpad keys don't respond to input commands on Linux

UE - Platform - Linux - Aug 31, 2015

Setting any of the numpad keys to an input command does not execute the command on Linux. ...