Command-F is broken right now because it crashes the editor due to a recent change, but otherwise will work fine.
Command-W closes the window, but should just close tabs until you close the final tab. We're not getting keypress events for this or it'd be a trivial fix. Need to figure out why.
Command-P is intentionally unimplemented. We probably won't support printing for a while.
Please add the standard app keyboard shortcuts for Mac.
Details found here: https://support.apple.com/en-us/HT201236
Missing the following in v0.1.515: