Hi
The link you provided gives me a 404.
This is one of my posts where you can see the photos have no longer a white space between them. This is the Gutenberg gallery block. Before WP 6.1 there was a white space. https://www.wndln.be/wandeling-drongengoed/
I’m currently also using the GutenBee plugin and the SimplyGallery plugin across my site. However, like I said, I’d like to replace the Gutenberg gallery blocks with GutenBee gallery blocks. There seems to be no other way for me to do than manually creating new galleries and adding the photos. However, if I’d want to replace the Gutenberg gallery blocks with SimplyGallery blocks, I can just click on the icon on the left hand and select ‘transform to SimplyGallery’. GutenBee is not listed here.
Thanks for helping!