Lock Actor Movement doesn't prohibit rotating an object by turning the viewport while piloting it.

Tools - Jun 12, 2015

If you pilot an object and wish for it not be moved, such as a camera, you can use the Lock Actor Movement option. This will stop the object from moving, but it will not stop the object from being r ...

Log Text, Log Location, and Log Box Shape, do not appear in Blueprint Visual Logger or Output Log

UE - AI - Jan 24, 2016

Debug information from blueprint visual loggers (log text, loglocation, logboxshape) do not print to either the message log or output log. This can be problematic as the visual debugger specifically ...

Flickering windows with four player PIE on Laptop Geforce cards

UE - Graphics Features - Oct 1, 2015

Flickering windows with four player PIE on Laptop (mobile) Geforce cards. See attached video, or video link from the answerhub thread. It happens repeatedly and very frequently. ...

Objects do not Scale relative to their Temporary Pivot Point (Alt+MMB Click)

Tools - Mar 19, 2015

After temporarily moving the pivot point (Alt+Middle Mouse Click on the center of the translate tool), you can switch to scale. However, the object still scales from it's original (permanent) pivot ...

Event Trace Log prints node actions multiple times

UE - Gameplay - Blueprint - Jun 10, 2015

If a blueprint has a breakpoint on a node and that node is utilized in PIE, the Event Trace in the Debug Log window will register each action taken by the blueprint multiple times. ...

Editor crashes if user attempts to open a data table that only has one data type after closing and reopening editor

Tools - Jan 30, 2015

Editor crashes if user attempts to open a data table that only has one data type after closing and reopening editor Frequency: 2/2 Crash Reporter: Not currently available ...

Scroll bar on Project Settings - Collision menu behaves strangely.

UE - Editor - UI Systems - Slate - Jun 1, 2015

The scroll bar in the Engine - Collision menu in Project Settings doesn't appear when it first should, and when it does, it resizes and moves oddly. Edit MattK: variable length widgets inside of a ...

Sample game headers aren't set up in an extensible way

Docs - Samples - Mar 30, 2015

Our sample games all seem to use the semi-deprecated Classes folder for their headers, and many of these headers omit a #pragma once (or other header guard). This means that they don't play nicely ...

Color Picker changes Hex Value when manually entered

Tools - Aug 22, 2014

In the Material Instance, the color picker will change the color when typing in the Hex Value. IMPACT:                   Incorrect color selection through manual Hex Code input WORKAROUND: Do not ...

Bitfield Bools in a struct and AnimBlueprint transitions not working together

UE - Gameplay - Blueprint - Apr 12, 2016

USTRUCT(BlueprintType) struct FTestStruct { GENERATED_USTRUCT_BODY() UPROPERTY(BlueprintReadWrite) uint32 ValueC : 1 ; UPROPERTY(BlueprintReadWrite) uint32 ValueD : 1 ; }; A ...