Magisk is a godsend. I just wish you could add a password protection to the bootloader and the recovery rom (like the TWRP). That is the one downside to unlock your bootloader. And you can’t like unlock when you need and relock it because to unlock it erases everything. I know that is one more dark pattern from Google to make you keep your phone locked. If they cared about security they would enable a way to put a password to the bootloader
Faster load times and/or less bandwidth. zstd is a newish compression algorithm that has being chosen in a lot of use cases because it can be turned to be faster with the same compression rate or better compression with the same processing time. For the content host it saves bandwidth or CPU time with compression.
Some WM has chained-shortcuts or chorded key bonds, but it is more probably a shortcut of the style “go next workspace” and you can have as many as you want.
Probably because it is worst than any dedicated IM service like whatsapp, telegram, etc
Probably he wants the NAS so he can access stuff from other computers and phones.