v15.2.0

• New Metric Type: labeled_quantity (bug 1925346)

v15.1.0

• Bugfix: Remove unused keyword argument from exception (#755)
• Add Go log outputter support for custom pings (go_server) (#758)

v15.0.1

• Rust codegen: use correctly named parameter for events without extras (#750)

v15.0.0

• Breaking change: Updating Kotlin template import statement as part of removing service-glean from Android Components. (bug 1906941)
• Breaking change: Do not generate Geckoview Streaming helper code (#743)

v14.5.2

• Revert updating Kotlin template import statement as part of removing service-glean from Android Components.
  This change was BREAKING. It will be reintroduced in a major release afterwards (#744)

v14.5.1

• BUGFIX: Rust object metrics: Accept null in place of empty arrays

v14.5.0

• BUGFIX: Fix Rust codegen to properly handle events with multiple types of extras (bug 1911165)
• Updating Kotlin template import statement as part of removing service-glean from Android Components. (bug 1906941)

v14.4.0

• Fix JS and Ruby server templates to correctly send event extra values as strings (DENG-4405)
• ENHANCEMENT: Extra keys in extra_keys: fields may now contain any printable ASCII characters (bug 1910976)

v14.3.0

• Add the module_spec option to the javascript_server outputter (#726)
• BUGFIX: Fix the Rust codegen for changes to how labeled_* metrics are constructed (bug 1909244)
• Generate a serializer for array wrappers (bug 1908157)

v14.2.0

• New Metric Types: labeled_{custom|memory|timing}_distribution (bug 1657947)