In previous versions, the usage of JSON for text components allowed for the unicode escape syntax \uXXXX to insert unicode characters. SNBT does not support this, resulting in a feature regression.
How to reproduce
/tellraw @a "\u0041"
Linked issues
is duplicated by 2
Attachments
Comments 3
Unsure if this also applies to OP's issue, but I also am unable to use \n as an escape character in 25w04a, which has lead to a multitude of my text functions in my datapack breaking.
[media]That's MC-279229
Can confirm.
[media]