The wait is over: Nothing Phone 1 receives Android 14 update with Nothing OS 2.5
www.androidauthority.com
Nothing Phone 1 is now receiving the Android 14-based stable Nothing OS 2.5 update with a host of new features.

tl;dr from the article:

  • The Nothing Phone 1 is now getting the stable Android 14 update with Nothing OS 2.5.
  • The software will roll out in stages and come to open beta testers before stable Android 13 users.