v68.0.0

Full changelog

Note: No changes in this release are actually breaking. We're doing this to have a clear cut before we merge the new SQLite-powered storage backend.

• General
  • Disable the glean.error.event_timestamp_clamped metric (#3500).
• Rust
  • Make rate_limit configurable in the configuration builder (#3495)
  • Experimental: Enable glean-sym on iOS (#3471)

v67.5.0

v67.5.0 (2026-06-09)

Full changelog

• General
  • Add clear_attribution_data and clear_distribution_data General APIs to clear core attribution and distribution data (bug 2043535).

v67.4.0

v67.4.0 (2026-06-09)

Full changelog

• General
  • Updated to glean_parser v19.1.1 (#3426, #3470)
  • Increase pending ping limits to better support long network outages (bug 2040030)
    • New glean.upload.pending_pings_deleted metric added to differentiate between deletions due to pending ping count or directory size limitations
    • Default pending pings allowed before deletion raised from 250 to 500, and the directory size before deletion increased from 10MB to 50MB.
    • New configuration fields added to allow integrating applications to override the maximum pending pings count and directory size limits.
  • Add first-class Sessions support: configurable session management (Auto, Lifecycle, Manual modes), session-level sampling, glean.session_start/glean.session_end boundary events in the events ping, and per-event session metadata for downstream analysis (bug 2020962)
• Rust
  • Experimental: Introduce glean-sym, a Rust API built on top of the Glean UniFFI C FFI (#3426)
  • client_info.os_version can now be set by the application. If unset Glean still uses the auto-detection (#3419)
• Android
  • Updated Kotlin to 2.3.21 (#3456)
  • The Gradle plugin now uses the modern AGP variant API, making it compatible with AGP 9 (maintaining AGP 8 compatibility) (#3472).

v67.3.2

Full changelog

• General
  • BUGFIX: Don't crash when alloc_size() is called before Glean is initialized (#3455)

v67.3.1

Full changelog

• Rust
  • Avoid unsafety and count the allocation for the underlying atomic bool directly (#3450)

v67.3.0

Full changelog

• Rust
  • Add support for determining client_info.os_version for Android binaries (#3434)
  • Avoid unsafety and count the allocation for the underlying atomic bool directly (#3450)

v67.2.0

• General
  • Updated to glean_parser v19.0.0 (#3421)
  • Add server knobs config to ping_info (#3396)
  • Fix test_get_value on labeled_ metrics to ask the db for the list of labels (bug 2028892)

v67.1.0

• General
  • Remove support for generating metric testing coverage (#3397)
  • Fix log pipe corruption on Windows (#3413)

v67.0.0

Full changelog

• General
  • BUGFIX: Correct glean.database.rkv_load_error's category and glean.upload.discarded_exceeding_pings_size's name (bug 2009475)
  • Event timestamps are now always clamped to the range of a signed 64-bit integer.
    An overflow is recorded in the new metric glean.error.event_timestamp_clamped in case this happens (#3308).
  • BREAKING CHANGE: Updated to UniFFI 0.31.0 (#3366)
• Android
  • Updated Kotlin to 2.3.0 (#3379)

v66.3.0

Full changelog

• General
  • Updated to glean_parser v18.2.0 (#3356)
• Python
  • Source wheel builds now build the SDK upon install correctly (#3359)
• iOS
  • Annotate the PingUploadScheduler as unavailable for iOS App extensions (, as app extensions run in a restricted environment without access to UIApplication.shared.#3355)