DebugCanvas handling Windows HighDPI scaling incorectly

UE - Editor - UI Systems - Slate - May 16, 2018

Change windows DPI scaling to something other than 100% causes the DebugCanvas to display incorrect position and text size. ...

Crash when making Android package in SlateTextShaper.cpp

UE - Editor - UI Systems - Slate - Apr 7, 2020

Crash when outputting garbled text when creating Android package. It did not occur in my colleague's environment using English OS, but occurred in my environment using Japanese OS. This issue should ...

Typo in Blueprint Context Menu "Redundent"

UE - Gameplay - Sep 6, 2017

There is a spelling error when hovering mouse over disabled checkboxes under Blueprint Context Target(s). The text appears as "This target is invalid or redundent for this context." The correct spel ...

Web browser does not receive keyboard focus without needing to click

UE - Editor - UI Systems - Dec 7, 2017

The Web browser widget does not appear to accept keyboard input until clicked. Even when opening a web page that has a text box that is selected by default (such as in the test project provided) and ...

Electra video playback fails if project or package is under multibyte characters path

UE - Media Framework - Sep 16, 2022

The URL parser encodes the input path to a URL-encoded path even if it is local, so if the path contains unicode characters (such as Japanese Kanji ), the media file cannot be read. Following worka ...

Conflicting FName for components freezes the editor with no warning

UE - Foundation - Core - Jun 24, 2015

If two code components have the same TEXT("") name in the CreateDefaultSubobject call the code will compile correctly but the editor will freeze when adding an instance of the class or classBP to th ...

Control Rig: crashes when compiling after rearranging input pins in an array in Example Rig Unit

OLD - Anim - Aug 20, 2019

The crash doesn't occur every time, but it will happen within 3 swap and compiles in my experience. I got multiple different callstacks when I cause the crash using the reproduction steps (they are ...

[CrashReport] UE4Editor_CoreUObject!UObjectBase::IsValidLowLevelFast() [uobjectbase.cpp:294]

UE - Gameplay - Blueprint - Aug 15, 2017

This is a trending crash coming out of the 4.17 release. Users have not provided useful descriptions of their actions when the crash occurred. User Descriptionschecking stuff on internet. what does ...

[bink video]Auto importing bk2 creates an asset with wrong path

RAD - Bink Video - May 27, 2024

Here is a work around : #include "binkplugin_ue4.h" UObject* UBinkMediaPlayerFactory::FactoryCreateBinary( UClass* Class, UObject* InParent, FName Name, EObjectFlags Flags, UObject* Context, co ...

Printing a string or character to the device output log does not display the string/character

UE - Platform - Mobile - Aug 30, 2019

If you point to a character or text data type and log it into the Device output log, the variable will not appear in the output. However, any other data type will appear. ( float, int, etc.). Found ...