I have just been implementing a changelog for the first time and ran into this problem. In my case the solution was the value of the changelogurl in the manifest file - it needed to be the (GitHub) raw version, like this:
You can find your changelogurl in the extensions table.
Code:
<changelogurl>https://raw.githubusercontent.com/ceford/cefjdemos-com-jdm/main/changelog.xml</changelogurl>Statistics: Posted by ceford — Thu Jun 06, 2024 11:36 am