Mowing either only once in summer or twice, then the first time as late as possible, mid/end of June and again depending on the climate zone in September/October. Then it can regrow enough for the winter. And preferably in layers, with a 2-3 week interval so that the entire meadow is not flattened and all insects can escape.
I am also still fascinated by how the vegetation constantly changes, I am curious how it will settle. Last year (1st year) I had everything full of redshank because I noticed it too late... This spring there was a lot of flaxweed, then daisies, poppies, cornflowers, chamomile... after mowing at the end of June came viper's bugloss and lots of yarrow and wild carrot. And chicory in quantities. 2m high. Beautiful in the morning, a sea of blue flowers, bare scrub in the afternoon. The siskins love it, I have a group of four here that feel very comfortable.