Problem/Motivation
My users complain that they often miss the "Confirm Date Changes" step of altering an event series because it doesn't jump out to them that they need to do another step. Some users don't create events so often so they don't remember the sequence of editing steps. I can sympathize and I would suggest this very important form element should have styling to highlight it and reflect its importance.
Steps to reproduce
Make date changes to an event series and see the "Confirm Date Changes" area. In Gin admin theme, for example, it is not so prominent:

Proposed resolution
Use the existing messages classes that come with Drupal. For example, adding classes "messages messages--warning" produces this in Gin admin theme:

| Comment | File | Size | Author |
|---|---|---|---|
| image2.png | 34.46 KB | chrisla | |
| image.png | 41.33 KB | chrisla |
Issue fork recurring_events-3576666
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Start within a Git clone of the project using the version control instructions.
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Comments
Comment #2
chrisla commentedComment #6
chrisla commentedMR 192 adds to the 3.0.x branch.
If we wanted to get fancy, we could make a setting for the module where admins can add their own class (or not) to the Confirm Date Changes area of the form to customize.