I saw this message today when accessing my plugin page:
So, how do I create this if I want to update my own plugins that's hosted on wordpress?
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It does some nifties to parse readme and display info from changelog, but overall you can just echo some stuff as with any other hook.
To make the action hook name clear:
Hooked callback function
The function itself has two
This approach can be found in the Internal link checker plugin.
Howdy, thanks to this question (and no thanks to the author of the W3TC plugin -which is a great plugin), I was able to implement a more generic version of this capability in my plugin (It starts with Version 2.1.16, so you need to play with the version of your installed plugin to see it). You can see it in this file.
The callback is near the end, and is called "in_plugin_update_message()".
It's a wee bit clunkier than I'd like, so I'll be asking a different question.