Released 6.99.1 with the following fixes:
1) Fix vacuum of notes db
2) Fix focus not returning to book information popup after closing show notes
3) Allow specifying size of images when adding images via edit notes
4) Fix editing notes on content server not updating the pencil icon until a reload
5) Fix start wireless connection failing to register the BonJour service name
https://download.calibre-ebook.com/betas/