General bugfixes
- #1740 Where-clauses with object-syntax fail to reuse virtual indexes - (there's a corresponding fix in the 3.x track)
Bugfixes for cache and optimistic updates
- Unhandled AbortErrors in console log (#1743)
- Improvements of optimistic updates (#1733)
- Move cache-middleware to level 0 (#1744)
Thanks to everyone that tried out 4.0.1-alpha.17 and found the issues that are now fixed!