Set use borderless window useless on Linux

Development Platform & Builds
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1

DefaultGame.ini
[/Script/EngineSettings.GeneralProjectSettings]
……
bUseBorderlessWindow=True

It works on 4.18.3 and 4.19.2 ，but it doesn’t work on 4.20.2

MySystem is CentOS7

2

I checked the source and comment out && PLATFORM_WINDOWS，it work

GameEngine.cpp
Line457   const bool bUseBorderlessWindow = GetProjectSettingBool(TEXT("bUseBorderlessWindow"), false) && PLATFORM_WINDOWS;
//
SGameLayerManager.cpp
Line118   bIsGameUsingBorderlessWindow = GetDefault<UGeneralProjectSettings>()->bUseBorderlessWindow && PLATFORM_WINDOWS;

I don't understand why to restrict to Windows platform.
3

Hello,

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Thanks