Gutenberg and Post/Saved
When saving a post via the Gutenberg editor, the WordPress save_post action will be triggered twice, once via a REST request directly from the Gutenberg front end, and then again via the normal page request to post.php. This will cause WunderAutomation workflows that use the Post/Saved trigger to trigger twice.
The best workaround for this issue is to filter out the REST request using an additional filter:
ACF Frontend Form Element
The ACF Frontend Form Element plugin causes an extra call to WordPress save_post action. This will cause WunderAutomation workflows that use the Post/Saved trigger to trigger twice. A workaround for this issue is to delay the workflow for one minute: