Highlights
This release adds direct UTF-8 formatting APIs for high-volume CIDR output workflows and refreshes benchmark coverage for the recent formatter performance work.
What's New
- Added direct UTF-8 output APIs for IPv4 and IPv6 CIDR values.
- Added public maximum UTF-8 capacity constants for caller-owned buffers.
- Added compressed IPv6 CIDR UTF-8 writing support.
- Updated CIDRNIO IPv6 compressed address writing to use the shared UTF-8 formatting path.
- Added benchmark coverage for raw IPv6 formatting, bulk CIDR output, IPv4 formatter hot paths, and slash-prefix writing.
Performance
- Improved IPv4 string formatting hot-path performance.
- Added raw/direct UTF-8 benchmark measurements for bulk ISP-scale output workflows.
- Refreshed
Benchmarks/PERFORMANCE.mdwith 2026-06-28 measurements. - Documented benchmark filter semantics and added
./scripts/benchmarks.sh list.
Compatibility
This is a backwards-compatible feature release. Existing APIs remain supported.