Crash caused by pre/post tick being called while on the Slate loading thread

UE - Editor - UI Systems - Slate - Jan 12, 2017

Currently, we do not prevent the calling of pre/post tick from the Slate loading thread. This can cause crashes in circumstances where the widget is destroyed before the tick is completed, and inval ...

Slate drag/drop detection does not work with multiple pointers

UE - Editor - UI Systems - Slate - Jan 11, 2017

The drag delta detection in SlateApplication does not ensure that the two pointer events it is comparing are coming from the same pointer. This causes it to think dragging should begin on a widget b ...

Modal dialogues appear offscreen when using monitors with different resolutions

UE - Editor - UI Systems - Slate - Dec 29, 2016

When using a monitor setup where both monitors have a large gap in resolution sizes and using UI scaling on Windows 10, the save dialogues that appear in the engine can appear offscreen in certain s ...

Copy-pasting (in the details panel) an array of structs containing multiline text not coming back entirely correctly

UE - Editor - UI Systems - Slate - Dec 20, 2016

This is the copy buffer (it contains multiline strings): ((SectionName_10_AD815C6B40E1AA91C8FB72B006CB648A="TeamScreen_Overview",TipHeader_8_0A891281438C7AD03199038A729ACC18="Heroes",TipBody_9_C20B ...

Mouse capture gets caught by default created PlayerController

UE - Editor - UI Systems - Slate - Dec 12, 2016

In PIE games, it looks like this may be caused by the window immediately taking control of the mouse and setting up focus. In networked games, clients call ULocalPlayer::SpawnPlayActor which will c ...

Significant frame drop while blueprint nodes are being rendered on other monitor.

UE - Editor - UI Systems - Slate - Oct 21, 2016

The nodes in the blueprint editor require a lot of resources to render, causing framerate issues whenever they're being shown. The more that are shown, the worse the framerate issues. While a framer ...

Mouse click requires double click to enter input if "Set Input Mode Game Only" used

UE - Editor - UI Systems - Slate - Oct 3, 2016

Mouse click requires double click to enter input if "Set Input Mode Game Only" used Regression (no) issue (does) occur in 4.12.5 Notes The first box selected will light up correctly the first time ...

Launcher and Editor context / dropdown menus do not display correctly on upcoming Windows 10 build

UE - Editor - UI Systems - Slate - Oct 3, 2016

A few users using the Windows 10 Insider Preview have found that after a certain point in the Prerelease builds, starting at 14915 it seems, the Unreal Editor and Epic Games Launcher context menus h ...

"Create New Asset" section for selecting an image appears directly under the mouse

UE - Editor - UI Systems - Slate - Sep 12, 2016

The Create New Asset Section for applying an image to a brush is directly under the mouse after clicking on the dropdown. If the user simply clicks (and does not hold down the mouse button) they wil ...

Swindow Causes a packaged game to become a black screen and become unresponsive

UE - Editor - UI Systems - Slate - Sep 7, 2016

Swindow causes a packaged game to become a black screen and become unresponsive ...