Now the page is, like it should be. And unfortunately I don't really know why. Maybe another regenerate thumbnails helped - I don't know. But I would prefer to understand what has happened. This gist answered a couple of my questions: gist.github.com/kevinwhoffman/2d9a55d63d8505fe02c9 But all in all I feel like there is to little information about this new feature :/

Yes - a couple of times. Doesn't solve my problem. Thanks for the tip!

@MarkKaplun - I would have been helpful to give me a hint where I can find what is on-topic. I consider my question a question about the workflow to develop my own theme and plugins. This still might be off-topic.

I have to check what WP-CLI could do for me on this. I want to version control code and configuration. In the options table there are lots of configuration (and too much junk that should be somewhere else - like transients). There should be a way to also deliver that via code. And there are sometimes a) pages that are there as part of a plugin - like woocommerce checkout pages b) plugin configuration that is not done in a centralised positon. Would be great to have this all in code. Oh yes - this is part of the solution: wp-cli.org/commands/option

I have to give revisr and gitium a second look. As far as I know VersionPress commits everything - every little database change etc. That seems to be way too much for what I would like for this project. But all in all it is a great approach and I am already an Early Access Backer