HTML הפסיק לעבוד עבור הודעה גלובלית

[IAmGav (Gavin Perch)]

you might want to read this:

No HTML in global notice

Yes, we no longer allow the global notice site setting to contain HTML, only plain text. We chose to treat it as any other user input and sanitize it. As mentioned above, the workaround would be to use a banner topic instead.