My understanding that BW have superior auto-fill features and wide support for different OS. Keepass don't have auto-fill for browsers, Keepass have to rely on third-party to provide the auto fill features and various apps for all variety of OS.
I'm a Keepass user since 2006 and never had a problem with them. My database is saved in OneDrive and always keep local copy in my system. If OneDrive is down, my local copy is always there for me.
KeePassXC does have auto-fill for browsers. And also Auto-Type which allows you to enter your credentials to _any_ application possible. All this works without any third party plugins.
I'm a Keepass user since 2006 and never had a problem with them. My database is saved in OneDrive and always keep local copy in my system. If OneDrive is down, my local copy is always there for me.