Biggest issues for me: Subscription based payments and (biggest issue) missing option to adjust the keyboard shortuts. So I have to adjust my workflow and muscle memory to the tool instead of the other way around.
For the rest it is a very nice looking client with a good amount of features (for my use case) and hats off to the developers.
In case the developers are watching, I love beekeeper and use the free version daily. If you sold a one-time license, even if it was just for the current major version, I’d gladly pay $100 for that.
Almost all Electron-based software has a guilt of shortcuts. By either not having them at all, or by using the scheme alien to a particular OS. Obsidian is my personal pit peeve - it still has a spotty support of F2 (rename) shortcut on Windows. Previously, it hadn't it at all.
Some sort of keyboard shortcut settings screen is my todo list. Honestly it's a total PITA because different libraries handle shortcuts in different places, so I've been putting it off.
My focus after 4.0 is tidying up this type of stuff :-).