The farm bill made all hemp derived products legal federally at long as they contain only trace amounts of Delta 9 THC. Delta 8 and THC-O/acetate are legal. Not as strong, slightly different, but it gets the job done... kinda. Check it out... if you can. Check your state laws.
I've seen PAM modules for otp/totp, but that really only adds security if authenticating against a remote machine, if you validate the second factor locally doesn't that still open you to mitm or other exploits? Can you trust your own environment?
L1 cache is optimized for speed. You can't make a large L1 cache... the access is too frequent meaning more bandwidth is needed. L1 has many parallel pipelines vs L2 or 3 which are larger caches, respectively, with less pipelining, respectively.
Basic color support for syntax highlighting is what I've been waiting for...