Yes, all these features are available in the new beta

POWERFUL

why do you want am/pm ? Don't you knows its day or night? do you really need your phone to tell you this?

https://forum.xda-developers.com/galaxy-s9-plus/how-to/official-stock-firmware-thread-samsung-t3764479Here is the link to XDA for S9plus Beta 1, 2 and Hotfix update. All are OTA format. You can update them via SD card or via ADB sideload.Just keep in...

I have updated manually with Beta 2 and hotfix update. All going well. No obvious issues noted yet.