What I Found
If OS X Yosemite keeps prompting you to install developer beta updates, you can turn off pre-release update.
Apple released another OS X Yosemite beta, and if you are not ready to jump back into beta testing, the constant update notifications can get old quickly.
To stop Yosemite beta update notifications, open System Preferences, go to App Store, find the message that says your Mac is set to receive pre-release software update seeds, click Change, and choose Do Not Show Pre-Release Updates.
What this video covers
- Why The Beta Update Keeps Appearing
- How To Turn Off Pre-Release Updates
- What Happens After You Change It
- Turning Beta Updates Back On
The short version
To stop Yosemite beta update notifications, open System Preferences, go to App Store, find the message that says your Mac is set to receive pre-release software update seeds, click Change, and choose Do Not Show Pre-Release Updates.