v17.3.0

• New lint: HIGHER_DATA_SENSITIVITY_REQUIRED for when an event extra key could potentially contain sensitive data (bug 1973017)
• BUGFIX: Don't try to remove non-existent key on dual labeled metrics (#801)

v17.2.0

• Forbid redefinition of metrics, categories, or pings within the same YAML document (bug 1921089)
• Increase the maximum label length to 111 (#796)
• Switch to pyproject.toml and uv (#783)
• Add new metric type: DualLabeledCounter (#797)

v17.1.0

• Permit object metrics named 'glean.attribution.ext' or 'glean.distribution.ext' even if allow_reserved is false (bug 1955428)

v17.0.1

• BUGFIX: Fix missing ping_arg "uploader_capabilities" in util.py (#786)

v17.0.0

• BREAKING CHANGE: Support uploader_capabilities for pings (bug 1920732)

v16.2.0

• New lint: error when there are metrics whose names are too similar (bug 1934099)
• Require array or object as the root type in object metrics (#780)
• Remove 100-bucket limit for custom_distribution metrics (bug 1940967)

v16.1.0

• Allow specifying a subset of interesting metrics to actually collect. Other metrics will be built, but marked as disabled (bug 1931277).

v16.0.0

• BREAKING CHANGE: Support follows_collection_enabled for pings (#776)
• Add rust_server feature to glean_parser to allow Rust server-side metrics (#772)
• Replace panics with returned errors (go_server) (#777)
• Enable configurable Writer for log output (go_server) (#775)

v15.2.1

• Allow earlier versions of platformdirs (#769)

v15.2.0

• New Metric Type: labeled_quantity (bug 1925346)