Programming and reading.
555 is still in beta, so I wouldn’t be surprised if something doesn’t work. That said, I haven’t experienced what you have (on GTX 1070 TI), though using 555 causes lots of kernel errors for me. Checking dmeg might reveal something in your case as well.
It’s not a question of the browser, it’s the addon. There are separete APIs for local and synced storage (but same interface). Both browsers use the same main api (web extension).
Pretty sure the commenter above meant that the their RAM was advertised as X GiB but they only got X GB, substitute X with 4/8/16/your amount
You can start steam just fine without the packages. In fact, if you install without them, it’ll ask you to install them every time, but you can skip that and it’ll work, just 32bit games won’t launch
Edit: Looks like I’m partially wrong, as pointed out by a commenter below, steam currently only launches the 32-bit version of the client, despite support for a 5l64-bit client