What To Do Before Update WordPress 4.6:
Before update the WordPress to it’s latest version please take a full backup of your site including the files and database from your server.
Before update to WordPress 4.6 please the requirements.
If you have any query you can Ask for Help in the forum.
WordPress 4.6 is better than ever you can updating themes within the page no page redirection after updating or activating or deleting the theme or plugin.
You can restore post or pages if your internet connection broken or interrupt.
More faster preview of any theme or plugin Details when you click them before installation.
The WordPress dashboard now takes advantage of the fonts you already have, making it load faster and letting you feel more at home on whatever device you use.
Now WordPress 4.6 will notify broken link so you can easily correct the broken link while creating or editing or updating the post or pages.
See the video that may help you find the new things in Word-Press 4.6 https://videopress.com/v/GbdhpGF3
If you need older version of Word-Press You can download them from here.