More Asset Browser updates; New guided tour; Bug fixes.
If I’m paying for a subscription, the minimum I expect is a stable, reliable environment to work in
This is exactly what the stable releases are for - you can expect more stability and reliability with those releases:
construct.net/en/make-games/releases/stable
It's tempting to use the latest features with beta's, but you should expect issues and it sounds like you'd be best of just using the stable versions.
will said and completely agree with you.