Something I’ve noticed, it works one minute, next time I check it’s undone again- so it has to do with cache, maybe? Also, the new version has different Google API settings available – when you’ve updated the plugin then gone back to an older version (because the new one stops working, but the old one seems to again, before it stops showing events as highlighted) you’ve saved the new plugin settings, which are:
Google API Key
Always Enqueue Scripts & Styles
Disable Plugin CSS
and, most importantly: ***Save Settings Save your settings when uninstalling this plugin. Useful when upgrading or re-installing.*** – I refer to this because this error appeared above the calendar a couple times:
A valid URL was not provided. Please ensure your feed URL is correct.A valid URL was not provided. Please ensure your feed URL is correct.A valid URL was not provided. Please ensure your feed URL is correct.
The feeds never changed, still accurate, they work/are recognized when yet again I updated the plugin. I also went to /wp-admin/edit.php?post_type=gce_feed and went through the feeds clearing cache for each one (you have the options: Edit | Quick Edit | Trash | View | Clear Cache) under the feed names.
Sorry for such a long post- this has resolved it for me for the moment, hope it helps others too..!