Basically the same as in Windows: Keepass with manual sync between devices(using Syncthing for example) or Bitwarden (Vaultvarden if like you like to selfhost and don't have enterprise account).
Sorry, don't get your point. A company may say one thing like Burger King said they will dump Russia. The reality at least currently with both Burger King and Microsoft is another thing.
What exactly did they block? You can still buy any Microsoft product in Russia, your online subscriptions are still billed in rubles, you can pay them from any card Visa or Mastercard accept. As of now there are no problems at all with Microsoft products in Russia.
The goal is only to know if the OP edited it or not. It doesn’t really matter who edited it if it wasn’t the OP. The only important information would be that it wasn’t the OP.
OP can edit comment, sign with a different key and claim his comment was edited by the admins.
So we can't know who really edited the comment unless in the default boring situation: it was OP and he signed it with the correct key which is the same as him just telling "yeah, it was me" or not saying anything at all since it's the default.
Can't the admins just edit it and sign with a new key? Either way there won't be a way to know for sure who edited the comment, you could know if the original poster did it, but well they can just tell you that.
Basically the same as in Windows: Keepass with manual sync between devices(using Syncthing for example) or Bitwarden (Vaultvarden if like you like to selfhost and don't have enterprise account).
I'd use a desktop environment defaults, but https://wiki.archlinux.org/title/List_of_applications
Awk and sed are great too. Sed will also turn 50 this year.
It's magic. You can(and should) test your regex here https://regex101.com/