2.2.0

What's Changed

SemVer Minor

• new: MetricNameDescriptor overload option by @incertum in #126
• new: add optional HELP line support by @incertum in #130
• feat: add {emitToString, emitToBuffer} options + dedup TYPE and HELP per metric name by @incertum in #135

SemVer Patch

• inline histogram record (gives 10x boost) by @blindspotbounty in #124
• Fixed missing '&' for inout parameter in Docs by @andresfigueira in #114
• refactor[Counter + Gauge]: uniquely identify metric time series by name and label sets (1/2) by @incertum in #131
• refactor[Histograms]: uniquely identify metric time series by name and label sets (2/2) by @incertum in #134
• Concurrency: enable 6.0 language mode / concurrency safety by @ktoso in #140

Other Changes

• Correct license headers by @rnro in #122
• Enable release mode builds by @josephnoir in #129
• Adds a test to confirm defaultValueHistogramBuckets are respected by @ktoso in #132
• Push 'Add Benchmarks for metrics #106' over the finish line by @ktoso in #133
• update: docs + usage featuring latest improvements by @incertum in #139
• Add MAINTAINERS.md file by @ktoso in #141
• add RELEASE.md document by @ktoso in #143
• Update README with Swift Metrics backend info by @ktoso in #144

New Contributors

• @josephnoir made their first contribution in #129
• @incertum made their first contribution in #126
• @andresfigueira made their first contribution in #114

Full Changelog: 2.1.0...2.2.0