lost my bitcoin

[Coraxblade]

I downloaded WASABI wallet from the right website and have been using it for a long time. I deposited 0.15 Bitcoin in it.

It wasn't until yesterday when I was about to transfer some Bitcoins to another wallet that I discovered that all the Bitcoins were sent to an unfamiliar address, and there was no label for the sending operation. My mnemonic phrase is generated in the wallet and kept offline. Please help me check what's going on

[Coraxblade]

These Bitcoins have been sitting there for almost 1 year. I was confused by being transferred suddenly.

[MarnixCroes]

Sad to hear.
There is nothing we can do about it to help you :(
Did you update Wasabi at that time?
If yes, from which website and did you verify the signature? https://docs.wasabiwallet.io/FAQ/FAQ-Installation.html#why-is-it-important-to-verify-pgp-signatures
Did someone got hold of you backup maybe?