General availability on newer Linux distributions and CU1 signal a push toward stability, security and production readiness.
Certain Linux commands are no longer maintained for a number of reasons - including security vulnerabilities. Here's the list.
Run the app in terminal for usage instruction, but in case you're lazy: Usage example: frltoggle status prints the current FRL value. Value 0 means it's disabled. frltoggle 0 turns off the framerate ...