Zero 1.2

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IVM Performance and Bug Fixes # Zero 1.2 ## Installation ```bash npm install @rocicorp/zero@1.2 ``` ## Features * [**Replica metrics:**](https://zero.rocicorp.dev/docs/debug/otel#zeroreplica) 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](https://github.com/rocicorp/compare-utf8) (thanks [@Karavil](https://github.com/Karavil)!) * [Replaced closure-based BTree iterators with class instances](https://github.com/rocicorp/mono/pull/5731) (thanks [@Karavil](https://github.com/Karavil)!) * [Eliminated per-call object allocations in binary search](https://github.com/rocicorp/mono/pull/5735) * [Reuse comparators instead of allocating closures](https://github.com/rocicorp/mono/pull/5736) ## Fixes * [Fix timestamp handling for BC dates and years outside 0-9999](https://github.com/rocicorp/mono/pull/5720) * [Fix crash with fractional timestamp values in queries](https://github.com/rocicorp/mono/pull/5703) * [Fix "Constraint should match partition key" error`](https://github.com/rocicorp/mono/pull/5715) * [Fix custom push URL not being used for `_zero_cleanupResults`](https://github.com/rocicorp/mono/pull/5716) * [Fix "unknown table" error when adding `related()` to existing query](https://github.com/rocicorp/mono/pull/5714) * [Downgrade TTL clock update failure to warning](https://github.com/rocicorp/mono/pull/5733) * [Bump litestream to v0.0.9 with S3 retry fixes](https://github.com/rocicorp/mono/pull/5738) ## Breaking Changes None.

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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.