Zero 1.2

IVM Performance and Bug Fixes

Installation

Copynpm install @rocicorp/zero@1.2

Features

• Replica metrics: Added new replica metrics group to otel, with db_size, wal_size, and backup_lag metrics.

Performance

Optimizations which improve query performance 10–30% in benchmarks:

• Added fast-path to compare-utf8 for BMP-only strings (thanks @Karavil!)
• Replaced closure-based BTree iterators with class instances (thanks @Karavil!)
• Eliminated per-call object allocations in binary search
• Reuse comparators instead of allocating closures

Fixes

• Fix timestamp handling for BC dates and years outside 0-9999
• Fix crash with fractional timestamp values in queries
• Fix "Constraint should match partition key" error`
• Fix custom push URL not being used for _zero_cleanupResults
• Fix "unknown table" error when adding related() to existing query
• Downgrade TTL clock update failure to warning
• Bump litestream to v0.0.9 with S3 retry fixes

Breaking Changes

None.