Here is a short highlights of what you can expect from the update:

• Support for 10-bit HDR video playback and the ability to edit in Photos for iPhone models 8 and later
• A fix that could prevent incoming calls from correctly displaying region information.
• Improved compatibility with Ubiquiti wireless access points.

For the more comprehensive list of iOS 14 update information you can go directly to Apple’s website: https://support.apple.com/en-us/HT211808