Warning: Rich text formatting disabled. When I package my game, my Rich Text widgets break and display this warning.

Development Programming & Scripting UI
1

When I package my game, all my rich text is replaced with this:

image

Any idea on what the problem is? I am using UE5.4

2

Found the issue!

When looking for where the Rich Text is set to “Warning: Rich Text formatting disabled”, I found that it it is set to that when the ICU library is disabled (code is from Unreal source):

#if UE_ENABLE_ICU
	TArray<FTextRange> LineRanges;
	FTextRange::CalculateLineRangesFromString(Input, LineRanges);
	ParseLineRanges(Input, LineRanges, Results);
	HandleEscapeSequences(Input, Results, Output);
#else
	**Output = TEXT("WARNING: Rich text formatting is disabled.");**
	FTextLineParseResults FakeLineParseResults(FTextRange(0, Output.Len()));
	FTextRunParseResults FakeRunParseResults(TEXT(""), FTextRange(0, Output.Len()));
	FakeLineParseResults.Runs.Add(FakeRunParseResults);
	Results.Add(FakeLineParseResults);
#endif

After seeing this I noticed that I was setting the ICU library to be disabled in my Game.Target.cs:
Target.bCompileICU = false;

After removing the disabling of the ICU library, Rich Text worked as expected!

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