I understand why you merged my idea to this one.However, I've read the bug report (1831906 - Update Firefox's update prompt to include a link to the release notes), and as the title and the OP request say, it's only taking into account the "Firefox's...
[About dialog - "What's new" link] Add a link to the Release Notes for the -new- FF version
I use manual updates ("Check for updates but let you choose to install them"), because I like to read the Release Notes -before- updating.
In the "About" dial...
