Cannot login into Battle.net after launcher update

This morning I had a Battle.net launcher update. I downloaded it and restarted, then, after this, I cannot login anymore in Battle.net. I cannot launch any game, and my friend list isn’t loading, it get stuck in “Connecting” and I cannot play anything.

I’m on macOS Sequoia 15.0.1 on MacBook M1 Pro 14".

UPDATE:
I’ve uninstalled and re-installed Battle.net and I keep getting this error at my first login: BLZBNTBNA00000A8D.

UPDATE2:
Solved: I found that after the Battle.net launcher update of this morning, there were a lot of new connection, blocked by Little Snitch software. Don’t know why, even if I previously enabled some rules for Battle.net and WoW, there were so many new connection after the update…

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