65 KiB

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Unreleased changes

Full changelog

Android
- Updated to Gradle 7, Android Gradle Plugin 7 and Rust Android Plugin 0.9 as well as building with Java 11 (#1801)
iOS
- Add support for the URL metric type (#1791)
- Remove reliance on Operation for uploading and instead use the background capabilities of URLSession (#1783)
- Glean for iOS is now being built with Xcode 13.0.0 (#1802).
Rust
- BUGFIX: No panic if trying to flush ping-lifetime data after shutdown (#1800)

v41.1.1 (2021-09-29)

Full changelog

Android
- BUGFIX: Limit logging to Glean crates (#1808)

v41.1.0 (2021-09-16)

Full changelog

Rust
- BUGFIX: Ensure RLB persists ping lifetime data on shutdown (#1793)
- Expose persist_ping_lifetime_data in the RLB. Consumers can call this to persist data at convenient times, data is also persisted on shutdown (#1793)

v41.0.0 (2021-09-13)

Full changelog

General
- BUGFIX: Only clear specified storage in delayed ping io mode (#1782)
- Require Rust >= 1.53.0 (#1782)
Android
- Glean.initialize now requires a buildInfo parameter to pass in build time version information. A suitable instance is generated by glean_parser in ${PACKAGE_ROOT}.GleanMetrics.GleanBuildInfo.buildInfo. Support for not passing in a buildInfo object has been removed. (#1752)

v40.2.0 (2021-09-08)

Full changelog

General
- Updated glean_parser version to 4.0.0
Android
- Add support for the URL metric type (#1778)
Rust
- Add support for the URL metric type (#1778)
Python
- Add support for the URL metric type (#1778)

v40.1.1 (2021-09-02)

Full changelog

iOS
- Use 'Unknown' value if system data can't be decoded as UTF-8 (#1769)
- BUGFIX: Add quantity metric type to the build (#1774). Previous builds are unable to use quantity metrics

v40.1.0 (2021-08-25)

Full changelog

Android
- Updated to Kotlin 1.5, Android Gradle Plugin 4.2.2 and Gradle 6.7.1 (#1747)
- The glean-gradle-plugin now forces a compile failure when multiple Glean versions are detected in the build (#1756)
- The glean-gradle-plugin does not enable a glean-native capability on GeckoView anymore. That will be done by GeckoView directly (#1759)

v40.0.0 (2021-07-28)

Full changelog

Android
- Breaking Change: Split the Glean Kotlin SDK into two packages: glean and glean-native (#1595).
  Consumers will need to switch to org.mozilla.telemetry:glean-native-forUnitTests.
  Old code in build.gradle:
```
testImplementation "org.mozilla.telemetry:glean-forUnitTests:${project.ext.glean_version}"
```
  New code in build.gradle:
```
testImplementation "org.mozilla.telemetry:glean-native-forUnitTests:${project.ext.glean_version}"
```
- The glean-gradle-plugin now automatically excludes the glean-native dependency if geckoview-omni is also part of the build. Glean native functionality will be provided by the geckoview-omni package.
Rust
- The glean-ffi is no longer compiled as a cdylib. Other language SDKs consume glean-bundle instead as a cdylib. This doesn't affect consumers.

v39.1.0 (2021-07-26)

Full changelog

General
- Updated glean_parser version to 3.6.0
- Allow Custom Distribution metric type on all platforms (#1679)

v39.0.4 (2021-07-26)

Full changelog

General
- Extend invalid_timezone_offset metric until the end of the year (#1697)

v39.0.3 (2021-06-09)

Full changelog

Android
- Unbreak Event#record API by accepting null on the deprecated API. The previous 39.0.0 release introduced the new API, but accidentally broke certain callers that just forward arguments. This restores passing null (or nothing) when using the old API. It remains deprecated.

v39.0.2 (2021-06-07)

Full changelog

iOS
- Fix iOS release build (#1668, #1669)

v39.0.1 (2021-06-04)

Full changelog

iOS
- Build and release Glean as an xcframework (#1663) This will now also auto-update the Glean package at https://github.com/mozilla/glean-swift.

v39.0.0 (2021-05-31)

Full changelog

General
- Add new event extras API to all implementations. See below for details (#1603)
- Updated glean_parser version to 3.4.0 (#1603)

Rust

Breaking Change: Allow event extras to be passed as an object. This replaces the old HashMap-based API. Values default to string. See the event documentation for details. (#1603) Old code:

let mut extra = HashMap::new();
extra.insert(SomeExtra::Key1, "1".into());
extra.insert(SomeExtra::Key2, "2".into());
metric.record(extra);

New code:

let extra = SomeExtra {
    key1: Some("1".into()),
    key2: Some("2".into()),
};
metric.record(extra);

Android
- Deprecation: The old event recording API is replaced by a new one, accepting a typed object (#1603). See the event documentation for details.
- Skip build info generation for libraries (#1654)
Python
- Deprecation: The old event recording API is replaced by a new one, accepting a typed object (#1603). See the event documentation for details.
Swift
- Deprecation: The old event recording API is replaced by a new one, accepting a typed object (#1603). See the event documentation for details.

v38.0.1 (2021-05-17)

Full changelog

General
- BUGFIX: Invert the lock order in glean-core's metrics ping scheduler (#1637)

v38.0.0 (2021-05-12)

Full changelog

General
- Update documentation to recommend using Glean Dictionary instead of metrics.md (#1604)
Rust
- Breaking Change: Don't return a result from submit_ping. The boolean return value indicates whether a ping was submitted (#1613)
- Breaking Change: Glean now schedules "metrics" pings, accepting a new Configuration parameter. (#1599)
- Dispatch setting the source tag to avoid a potential crash (#1614)
- Testing mode will wait for init & upload tasks to finish (#1628)
Android
- Set required fields for client_info before optional ones (#1633)
- Provide forward-compatibility with Gradle 6.8 (#1616)

v37.0.0 (2021-04-30)

Full changelog

General
- Breaking Change: "deletion-request" pings now include the reason upload was disabled: at_init (Glean detected a change between runs) or set_upload_enabled (Glean was told of a change as it happened). (#1593).
- Attempt to upload a ping even in the face of IO Errors (#1576).
- Implement an additional check to avoid crash due to faulty timezone offset (#1581)
  - This now records a new metric glean.time.invalid_timezone_offset, counting how often we failed to get a valid timezone offset.
- Use proper paths throughout to hopefully handle non-UTF-8 paths more gracefully (#1596)
- Updated glean_parser version to 3.2.0 (#1609)
iOS
- Code generator: Ensure at least pip 20.3 is available in iOS build (#1590)

v36.0.1 (2021-04-09)

Full changelog

RLB
- Provide an internal-use-only API to pass in raw samples for timing distributions (#1561).
- Expose Timespan's set_raw to Rust (#1578).
Android
- BUGFIX: TimespanMetricType.measure and TimingDistributionMetricType.measure won't get inlined anymore (#1560). This avoids a potential bug where a return used inside the closure would end up not measuring the time. Use return@measure <val> for early returns.
Python
- The Glean Python bindings now use rkv's safe mode backend. This should avoid intermittent segfaults in the LMDB backend.

v36.0.0 (2021-03-16)

Full changelog

General
- Introduce a new API Ping#test_before_next_submit to run a callback right before a custom ping is submitted (#1507).
  - The new API exists for all language bindings (Kotlin, Swift, Rust, Python).
- Updated glean_parser version to 2.5.0
- Change the fmt- and lint- make commands for consistency (#1526)
- The Glean SDK can now produce testing coverage reports for your metrics (#1482).
Python
- Update minimal required version of cffi dependency to 1.13.0 (#1520).
- Ship wheels for arm64 macOS (#1534).
RLB
- Added rate metric type (#1516).
- Set internal_metrics::os_version for MacOS, Windows and Linux (#1538)
- Expose a function get_timestamp_ms to get a timestamp from a monotonic clock on all supported operating systems, to be used for event timestamps (#1546).
- Expose a function to record events with an externally provided timestamp.
iOS
- Breaking Change: Event timestamps are now correctly recorded in milliseconds (#1546).
  - Since the first release event timestamps were erroneously recorded with nanosecond precision (#1549). This is now fixed and event timestamps are in milliseconds. This is equivalent to how it works in all other language bindings.

v35.0.0 (2021-02-22)

Full changelog

Android
- Glean.initialize can now take a buildInfo parameter to pass in build time version information, and avoid calling out to the Android package manager at runtime. A suitable instance is generated by glean_parser in ${PACKAGE_ROOT}.GleanMetrics.GleanBuildInfo.buildInfo (#1495). Not passing in a buildInfo object is still supported, but is deprecated.
- The testGetValue APIs now include a message on the NullPointerException thrown when the value is missing.
- Breaking change: LEGACY_TAG_PINGS is removed from GleanDebugActivity (#1510)
RLB
- Breaking change: Configuration.data_path is now a std::path::PathBuf(#1493).

v34.1.0 (2021-02-04)

Full changelog

General
- A new metric glean.validation.pings_submitted tracks the number of pings sent. It is included in both the metrics and baseline pings.
iOS
- The metric glean.validation.foreground_count is now sent in the metrics ping (#1472).
- BUGFIX: baseline pings with reason dirty_startup are no longer sent if Glean did not full initialize in the previous run (#1476).
Python
- Expose the client activity API (#1481).
- BUGFIX: Publish a macOS wheel again. The previous release failed to build a Python wheel for macOS platforms (#1471).
RLB
- BUGFIX: baseline pings with reason dirty_startup are no longer sent if Glean did shutdown cleanly (#1483).

v34.0.0 (2021-01-29)

Full changelog

General
- Other bindings detect when RLB is used and try to flush the RLB dispatcher to unblock the Rust API (#1442).
  - This is detected automatically, no changes needed for consuming code.
- Add support for the client activity API (#1455). This API is either automatically used or exposed by the language bindings.
- Rename the reason background to inactive for both the baseline and events ping. Rename the reason foreground to active for the baseline ping.
RLB
- When the pre-init task queue overruns, this is now recorded in the metric glean.error.preinit_tasks_overflow (#1438).
- Expose the client activity API (#1455).
- Send the baseline ping with reason dirty_startup, if needed, at startup.
- Expose all required types directly (#1452).
  - Rust consumers will not need to depend on glean-core anymore.
Android
- BUGFIX: Don't crash the ping uploader when throttled due to reading too large wait time values (#1454).
- Use the client activity API (#1455).
- Update AndroidX dependencies (#1441).
iOS
- Use the client activity API (#1465). Note: this now introduces a baseline ping with reason active on startup.

v33.10.3 (2021-01-18)

Full changelog

Rust
- Upgrade rkv to 0.17 (#1434)

v33.10.2 (2021-01-15)

Full changelog

General:
- A new metric glean.error.io has been added, counting the times an IO error happens when writing a pending ping to disk (#1428)
Android
- A new metric glean.validation.foreground_count was added to the metrics ping (#1418).
Rust
- BUGFIX: Fix lock order inversion in RLB Timing Distribution (#1431).
- Use RLB types instead of glean-core ones for RLB core metrics. (#1432).

v33.10.1 (2021-01-06)

Full changelog

No functional changes. v33.10.0 failed to generated iOS artifacts due to broken tests (#1421).

v33.10.0 (2021-01-06)

Full changelog

General
- A new metric glean.validation.first_run_hour, analogous to the existing first_run_date but with hour resolution, has been added. Only clients running the app for the first time after this change will report this metric (#1403).
Rust
- BUGFIX: Don't require mutable references in RLB traits (#1417).
Python
- Building the Python package from source now works on musl-based Linux distributions, such as Alpine Linux (#1416).

v33.9.1 (2020-12-17)

Full changelog

Rust
- BUGFIX: Don't panic on shutdown and avoid running tasks if uninitialized (#1398).
- BUGFIX: Don't fail on empty database files (#1398).
- BUGFIX: Support ping registration before Glean initializes (#1393).

v33.9.0 (2020-12-15)

Full changelog

Rust
- Introduce the String List metric type in the RLB. (#1380).
- Introduce the Datetime metric type in the RLB (#1384).
- Introduce the CustomDistribution and TimingDistribution metric type in the RLB (#1394).

v33.8.0 (2020-12-10)

Full changelog

Rust
- Introduce the Memory Distribution metric type in the RLB. (#1376).
- Shut down Glean in tests before resetting to make sure they don't mistakenly init Glean twice in parallel (#1375).
- BUGFIX: Fixing 2 lock-order-inversion bugs found by TSan (#1378).
  - TSan runs on mozilla-central tests, which found two (potential) bugs where 2 different locks were acquired in opposite order in different code paths, which could lead to deadlocks in multi-threaded code. As RLB uses multiple threads (e.g. for init and the dispatcher) by default, this can easily become an actual issue.
Python
- All log messages from the Glean SDK are now on the glean logger, obtainable through logging.getLogger("glean"). (Prior to this, each module had its own logger, for example glean.net.ping_upload_worker).

v33.7.0 (2020-12-07)

Full changelog

Rust
- Upgrade rkv to 0.16.0 (no functional changes) (#1355).
- Introduce the Event metric type in the RLB (#1361).
Python
- Python Linux wheels no longer work on Linux distributions released before 2014 (they now use the manylinux2014 ABI) (#1353).
- Unbreak Python on non-Linux ELF platforms (BSD, Solaris/illumos) (#1363).

v33.6.0 (2020-12-02)

Full changelog

Rust
- BUGFIX: Negative timespans for the timespan metric now correctly record an InvalidValue error (#1347).
- Introduce the Timespan metric type in the RLB (#1347).
Python
- BUGFIX: Network slowness or errors will no longer block the main dispatcher thread, leaving work undone on shutdown (#1350).
- BUGFIX: Lower sleep time on upload waits to avoid being stuck when the main process ends (#1349).

v33.5.0 (2020-12-01)

Full changelog

Rust
- Introduce the UUID metric type in the RLB.
- Introduce the Labeled metric type in the RLB (#1327).
- Introduce the Quantity metric type in the RLB.
- Introduce the shutdown API.
- Add Glean debugging APIs.
Python
- BUGFIX: Setting a UUID metric to a value that is not in the expected UUID format will now record an error with the Glean error reporting system.

v33.4.0 (2020-11-17)

Full changelog

General
- When Rkv's safe mode is enabled (features = ["rkv-safe-mode"] on the glean-core crate) LMDB data is migrated at first start (#1322).
Rust
- Introduce the Counter metric type in the RLB.
- Introduce the String metric type in the RLB.
- BUGFIX: Track the size of the database directory at startup (#1304).
Python
- BUGFIX: Fix too-long sleep time in uploader due to unit mismatch (#1325).
Swift
- BUGFIX: Fix too-long sleep time in uploader due to unit mismatch (#1325).

v33.3.0 (2020-11-12)

Full changelog

General
- Do not require default-features on rkv and downgrade bincode (#1317)
Rust
- Implement the experiments API (#1314)

v33.2.0 (2020-11-10)

Full changelog

Python
- Fix building of Linux wheels (#1303)
  - Python Linux wheels no longer work on Linux distributions released before 2010. (They now use the manylinux2010 ABI, rather than the manylinux1 ABI.)
Rust
- Introduce the RLB net module (#1292)

v33.1.2 (2020-11-04)

Full changelog

No changes. v33.1.1 was tagged incorrectly.

v33.1.1 (2020-11-04)

Full changelog

No changes. v33.1.0 was tagged incorrectly.

v33.1.0 (2020-11-04)

Full changelog

General
- Standardize throttle backoff time throughout all bindings. (#1240)
- Update glean_parser to 1.29.0
  - Generated code now includes a comment next to each metric containing the name of the metric in its original snake_case form.
- Expose the description of the metric types in glean_core using traits.
Rust
- Add the BooleanMetric type.
- Add the dispatcher module (copied over from mozilla-central).
- Allow consumers to specify a custom uploader.
Android
- Update the JNA dependency from 5.2.0 to 5.6.0
- The glean-gradle-plugin now makes sure that only a single Miniconda installation will happen at the same time to avoid a race condition when multiple components within the same project are using Glean.

v33.0.4 (2020-09-28)

Full changelog

Note: Previous 33.0.z releases were broken. This release now includes all changes from 33.0.0 to 33.0.3.

General
- Update glean_parser to 1.28.6
  - BUGFIX: Ensure Kotlin arguments are deterministically ordered
Android
- Breaking change: Updated to the Android Gradle Plugin v4.0.1 and Gradle 6.5.1. Projects using older versions of these components will need to update in order to use newer versions of the Glean SDK.
- Update the Kotlin Gradle Plugin to version 1.4.10.
- Fixed the building of .aar releases on Android so they include the Rust shared objects.

v33.0.3 (2020-09-25)

Full changelog

General
- v33.0.2 was tagged incorrectly. This release is just to correct that mistake.

v33.0.2 (2020-09-25)

Full changelog

Android
- Fixed the building of .aar releases on Android so they include the Rust shared objects.

v33.0.1 (2020-09-24)

Full changelog

General
- Update glean_parser to 1.28.6
  - BUGFIX: Ensure Kotlin arguments are deterministically ordered
Android
- Update the Kotlin Gradle Plugin to version 1.4.10.

v33.0.0 (2020-09-22)

Full changelog

Android
- Breaking change: Updated to the Android Gradle Plugin v4.0.1 and Gradle 6.5.1. Projects using older versions of these components will need to update in order to use newer versions of the Glean SDK.

v32.4.1 (2020-10-01)

Full changelog

General
- Update glean_parser to 1.28.6
  - BUGFIX: Ensure Kotlin arguments are deterministically ordered
- BUGFIX: Transform ping directory size from bytes to kilobytes before accumulating to glean.upload.pending_pings_directory_size (#1236).

v32.4.0 (2020-09-18)

Full changelog

General
- Allow using quantity metric type outside of Gecko (#1198)
- Update glean_parser to 1.28.5
  - The SUPERFLUOUS_NO_LINT warning has been removed from the glinter. It likely did more harm than good, and makes it hard to make metrics.yaml files that pass across different versions of glean_parser.
  - Expired metrics will now produce a linter warning, EXPIRED_METRIC.
  - Expiry dates that are more than 730 days (~2 years) in the future will produce a linter warning, EXPIRATION_DATE_TOO_FAR.
  - Allow using the Quantity metric type outside of Gecko.
  - New parser configs custom_is_expired and custom_validate_expires added. These are both functions that take the expires value of the metric and return a bool. (See Metric.is_expired and Metric.validate_expires). These will allow FOG to provide custom validation for its version-based expires values.
- Add a limit of 250 pending ping files. (#1217).
Android
- Don't retry the ping uploader when waiting, sleep instead. This avoids a never-ending increase of the backoff time (#1217).

v32.3.2 (2020-09-11)

Full changelog

General
- Track the size of the database file at startup (#1141).
- Submitting a ping with upload disabled no longer shows an error message (#1201).
- BUGFIX: scan the pending pings directories after dealing with upload status on initialization. This is important, because in case upload is disabled we delete any outstanding non-deletion ping file, and if we scan the pending pings folder before doing that we may end up sending pings that should have been discarded. (#1205)
iOS
- Disabled code coverage in release builds (#1195).
Python
- Glean now ships a source package to pip install on platforms where wheels aren't provided.

v32.3.1 (2020-09-09)

Full changelog

Python
- Fixed the release process to generate all wheels (#1193).

v32.3.0 (2020-08-27)

Full changelog

Android
- Handle ping registration off the main thread. This removes a potential blocking call (#1132).
iOS
- Handle ping registration off the main thread. This removes a potential blocking call (#1132).
- Glean for iOS is now being built with Xcode 12.0.0 (Beta 5) (#1170).

v32.2.0 (2020-08-25)

Full changelog

General
- Move logic to limit the number of retries on ping uploading "recoverable failures" to glean-core. (#1120)
  - The functionality to limit the number of retries in these cases was introduced to the Glean SDK in v31.1.0. The work done now was to move that logic to the glean-core in order to avoid code duplication throughout the language bindings.
- Update glean_parser to v1.28.3
  - BUGFIX: Generate valid C# code when using Labeled metric types.
  - BUGFIX: Support HashSet and Dictionary in the C# generated code.
- Add a 10MB quota to the pending pings storage. (#1100)
C#
- Add support for the String List metric type (#1108).
- Enable generating the C# APIs using the glean_parser (#1092).
- Add support for the EventMetricType in C# (#1129).
- Add support for the TimingDistributionMetricType in C# (#1131).
- Implement the experiments API in C# (#1145).
- This is the last release with C# language bindings changes. Reach out to the Glean SDK team if you want to use the C# bindings in a new product and require additional features.
Python
- BUGFIX: Limit the number of retries for 5xx server errors on ping uploads (#1120).
  - This kinds of failures yield a "recoverable error", which means the ping gets re-enqueued. That can cause infinite loops on the ping upload worker. For python we were incorrectly only limiting the number of retries for I/O errors, another type of "recoverable error".
- kebab-case ping names are now converted to snake_case so they are available on the object returned by load_pings (#1122).
- For performance reasons, the glinter is no longer run as part of glean.load_metrics(). We recommend running glinter as part of your project's continuous integration instead (#1124).
- A measure context manager for conveniently measuring runtimes has been added to TimespanMetricType and TimingDistributionMetricType (#1126).
- Networking errors have changed from ERROR level to DEBUG level so they aren't displayed by default (#1166).
iOS
- Changed logging to use OSLog rather than a mix of NSLog and print. (#1133)

v32.1.1 (2020-08-24)

Full changelog

Android
- Support installing glean_parser in offline mode (#1065).
- Fix a startup crash on some Android 8 (SDK=25) devices, due to a bug in the Java compiler (#1135).

v32.1.0 (2020-08-17)

Full changelog

General
- The upload rate limiter has been changed from 10 pings per minute to 15 pings per minute.

v32.0.0 (2020-08-03)

Full changelog

General
- Limit ping request body size to 1MB. (#1098)
iOS
- Implement ping tagging (i.e. the X-Source-Tags header) through custom URL (#1100).
C#
- Add support for Labeled Strings and Labeled Booleans.
- Add support for the Counter metric type and Labeled Counter.
- Add support for the MemoryDistributionMetricType.
Python
- Breaking change: data_dir must always be passed to Glean.initialize. Prior to this, a missing value would store Glean data in a temporary directory.
- Logging messages from the Rust core are now sent through Python's standard library logging module. Therefore all logging in a Python application can be controlled through the logging module interface.
Android
- BUGFIX: Require activities executed via GleanDebugView to be exported.

v31.6.0 (2020-07-24)

Full changelog

General
- Implement JWE metric type (#1073, #1062).
- DEPRECATION: getUploadEnabled is deprecated (respectively get_upload_enabled in Python) (#1046)
  - Due to Glean's asynchronous initialization the return value can be incorrect. Applications should not rely on Glean's internal state. Upload enabled status should be tracked by the application and communicated to Glean if it changes. Note: The method was removed from the C# and Python implementation.
- Update glean_parser to v1.28.1
  - The glean_parser linting was leading consumers astray by incorrectly suggesting that deletion-request be instead deletion_request when used for send_in_pings. This was causing metrics intended for the deletion-request ping to not be included when it was collected and submitted. Consumers that are sending metrics in the deletion-request ping will need to update the send_in_pings value in their metrics.yaml to correct this.
  - Fixes a bug in doc rendering.

v31.5.0 (2020-07-22)

Full changelog

General
- Implement ping tagging (i.e. the X-Source-Tags header) (#1074). Note that this is not yet implemented for iOS.
- String values that are too long now record invalid_overflow rather than invalid_value through the Glean error reporting mechanism. This affects the string, event and string list metrics.
- metrics.yaml files now support a data_sensitivity field to all metrics for specifying the type of data collected in the field.
Python
- The Python unit tests no longer send telemetry to the production telemetry endpoint.
- BUGFIX: If an application_version isn't provided to Glean.initialize, the client_info.app_display_version metric is set to "Unknown", rather than resulting in invalid pings.
Android
- Allow defining which Activity to run next when using the GleanDebugActivity.
iOS
- BUGFIX: The memory unit is now correctly set on the MemoryDistribution metric type in Swift in generated metrics code.
C#
- Metrics can now be generated from the metrics.yaml files.

v31.4.1 (2020-07-20)

Full changelog

General
- BUGFIX: fix int32 to ErrorType mapping. The InvalidOverflow had a value mismatch between glean-core and the bindings. This would only be a problem in unit tests. (#1063)
Android
- Enable propagating options to the main product Activity when using the GleanDebugActivity.
- BUGFIX: Fix the metrics ping collection for startup pings such as reason=upgrade to occur in the same thread/task as Glean initialize. Otherwise, it gets collected after the application lifetime metrics are cleared such as experiments that should be in the ping. (#1069)

v31.4.0 (2020-07-16)

Full changelog

General
- Enable debugging features through environment variables. (#1058)

v31.3.0 (2020-07-10)

Full changelog

General
- Remove locale from baseline ping. (1609968, #1016)
- Persist X-Debug-ID header on store ping. (1605097, #1042)
- BUGFIX: raise an error if Glean is initialized with an empty string as the application_id (#1043).
Python
- BUGFIX: correctly set the app_build metric to the newly provided application_build_id initialization option (#1031).
- The Python bindings now report networking errors in the glean.upload.ping_upload_failure metric (like all the other bindings) (#1039).
- Python default upgraded to Python 3.8 (#995)
iOS
- BUGFIX: Make LabeledMetric subscript public, so consuming applications can actually access it (#1027)

v31.2.3 (2020-06-29)

Full changelog

General
- Move debug view tag management to the Rust core. (1640575, #998)
- BUGFIX: Fix mismatch in events keys and values by using glean_parser version 1.23.0.

v31.2.2 (2020-06-26)

Full changelog

Android
- BUGFIX: Compile dependencies with NDEBUG to avoid linking unavailable symbols. This fixes a crash due to a missing stderr symbol on older Android (#1020)

v31.2.1 (2020-06-25)

Full changelog

Python
- BUGFIX: Core metrics are now present in every ping, even if submit is called before initialize has a chance to complete. (#1012)

v31.2.0 (2020-06-24)

Full changelog

General
- Add rate limiting capabilities to the upload manager. (1543612, #974)
Android
- BUGFIX: baseline pings with reason "dirty startup" are no longer sent if Glean did not full initialize in the previous run (#996).
Python
- Support for Python 3.5 was dropped (#987).
- Python wheels are now shipped with Glean release builds, resulting in much smaller libraries (#1002)
- The Python bindings now use locale.getdefaultlocale() rather than locale.getlocale() to determine the locale (#1004).

v31.1.2 (2020-06-23)

Full changelog

General
- BUGFIX: Correctly format the date and time in the Date header (#993).
Python
- BUGFIX: Additional time is taken at shutdown to make sure pings are sent and telemetry is recorded. (1646173, #983)
- BUGFIX: Glean will run on the main thread when running in a multiprocessing subprocess (#986).

v31.1.1 (2020-06-12)

Full changelog

Android
- Dropping the version requirement for lifecycle extensions down again. Upping the required version caused problems in A-C.

v31.1.0 (2020-06-11)

Full changelog

General:
- The regex crate is no longer required, making the Glean binary smaller (#949)
- Record upload failures into a new metric (#967)
- Log FFI errors as actual errors (#935)
- Limit the number of upload retries in all implementations (#953, #968)
Python
- Additional safety guarantees for applications that use Python threading (#962)

v31.0.2 (2020-05-29)

Full changelog

Rust
- Fix list of included files in published crates

v31.0.1 (2020-05-29)

Full changelog

Rust
- Relax version requirement for flate2 for compatibility reasons

v31.0.0 (2020-05-28)

Full changelog

General:
- The version of glean_parser has been upgraded to v1.22.0
  - A maximum of 10 extra_keys is now enforced for event metric types.
  - Breaking change: (Swift only) Combine all metrics and pings into a single generated file Metrics.swift.
    - For Swift users this requires to change the list of output files for the sdk_generator.sh script. It now only needs to include the single file Generated/Metrics.swift.
Python:
- BUGFIX: lifetime: application metrics are no longer recorded as lifetime: user.
- BUGFIX: glean-core is no longer crashing when calling uuid.set with invalid UUIDs.
- Refactor the ping uploader to use the new upload mechanism and add gzip compression.
- Most of the work in Glean.initialize happens on a worker thread and no longer blocks the main thread.
Rust:
- Expose Datetime types to Rust consumers.

v30.1.0 (2020-05-22)

Full changelog

Android & iOS
- Ping payloads are now compressed using gzip.
iOS
- Glean.initialize is now a no-op if called from an embedded extension. This means that Glean will only run in the base application process in order to prevent extensions from behaving like separate applications with different client ids from the base application. Applications are responsible for ensuring that extension metrics are only collected within the base application.
Python
- lifetime: application metrics are now cleared after the Glean-owned pings are sent, after the product starts.
- Glean Python bindings now build in a native Windows environment.
- BUGFIX: MemoryDistributionMetric now parses correctly in metrics.yaml files.
- BUGFIX: Glean will no longer crash if run as part of another library's coverage testing.

v30.0.0 (2020-05-13)

Full changelog

General:
- We completely replaced how the upload mechanism works. glean-core (the Rust part) now controls all upload and coordinates the platform side with its own internals. All language bindings implement ping uploading around a common API and protocol. There is no change for users of Glean, the language bindings for Android and iOS have been adopted to the new mechanism already.
- Expose RecordedEvent and DistributionData types to Rust consumers (#876)
- Log crate version at initialize (#873)
Android:
- Refactor the ping uploader to use the new upload mechanism.
iOS:
- Refactor the ping uploader to use the new upload mechanism.

v29.1.2 (2021-01-26)

Full changelog

This is an iOS release only, built with Xcode 11.7

Otherwise no functional changes.

iOS
- Build with Xcode 11.7 (#1457)

v29.1.1 (2020-05-22)

Full changelog

Android
- BUGFIX: Fix a race condition that leads to a ConcurrentModificationException. Bug 1635865

v29.1.0 (2020-05-11)

Full changelog

General:
- The version of glean_parser has been upgraded to v1.20.4
  - BUGFIX: yamllint errors are now reported using the correct file name.
- The minimum and maximum values of a timing distribution can now be controlled by the time_unit parameter. See bug 1630997 for more details.

v29.0.0 (2020-05-05)

Full changelog

General:
- The version of glean_parser has been upgraded to v1.20.2 (#827):
  - Breaking change: glinter errors found during code generation will now return an error code.
  - glean_parser now produces a linter warning when user lifetime metrics are set to expire. See bug 1604854 for additional context.
Android:
- The PingType.submit() can now be called without a null by Java consumers (#853).
Python:
- BUGFIX: Fixed a race condition in the atexit handler, that would have resulted in the message "No database found" (#854).
- The Glean FFI header is now parsed at build time rather than runtime. Relevant for packaging in PyInstaller, the wheel no longer includes glean.h and adds _glean_ffi.py (#852).
- The minimum versions of many secondary dependencies have been lowered to make the Glean SDK compatible with more environments.
- Dependencies that depend on the version of Python being used are now specified using the Declaring platform specific dependencies syntax in setuptools. This means that more recent versions of dependencies are likely to be installed on Python 3.6 and later, and unnecessary backport libraries won't be installed on more recent Python versions.
iOS:
- Glean for iOS is now being built with Xcode 11.4.1 (#856)

v28.0.0 (2020-04-23)

Full changelog

General:
- The baseline ping is now sent when the application goes to foreground, in addition to background and dirty-startup.
Python:
- BUGFIX: The ping uploader will no longer display a trace back when the upload fails due to a failed DNS lookup, network outage, or related issues that prevent communication with the telemetry endpoint.
- The dependency on inflection has been removed.
- The Python bindings now use subprocess rather than multiprocessing to perform ping uploading in a separate process. This should be more compatible on all of the platforms Glean supports.

v27.1.0 (2020-04-09)

Full changelog

General:
- BUGFIX: baseline pings sent at startup with the dirty_startup reason will now include application lifetime metrics (#810)
iOS:
- Breaking change: Change Glean iOS to use Application Support directory #815. No migration code is included. This will reset collected data if integrated without migration. Please contact the Glean SDK team if this affects you.
Python
- BUGFIX: Fixed a race condition between uploading pings and deleting the temporary directory on shutdown of the process.

v27.0.0 (2020-04-08)

Full changelog

General
- Glean will now detect when the upload enabled flag changes outside of the application, for example due to a change in a config file. This means that if upload is disabled while the application wasn't running (e.g. between the runs of a Python command using the Glean SDK), the database is correctly cleared and a deletion request ping is sent. See #791.
- The events ping now includes a reason code: startup, background or max_capacity.
iOS:
- BUGFIX: A bug where the metrics ping is sent immediately at startup on the last day of the month has been fixed.
- Glean for iOS is now being built with Xcode 11.4.0
- The measure convenience function on timing distributions and time spans will now cancel the timing if the measured function throws, then rethrow the exception (#808)
- Broken doc generation has been fixed (#805).
Kotlin
- The measure convenience function on timing distributions and time spans will now cancel the timing if the measured function throws, then rethrow the exception (#808)
Python:
- Glean will now wait at application exit for up to one second to let its worker thread complete.
- Ping uploading now happens in a separate child process by default. This can be disabled with the allow_multiprocessing configuration option.

v26.0.0 (2020-03-27)

Full changelog

General:
- The version of glean_parser has been updated to 1.19.0:
  - Breaking change: The regular expression used to validate labels is stricter and more correct.
  - Add more information about pings to markdown documentation:
    - State whether the ping includes client id;
    - Add list of data review links;
    - Add list of related bugs links.
  - glean_parser now makes it easier to write external translation functions for different language targets.
  - BUGFIX: glean_parser now works on 32-bit Windows.
Android:
- gradlew clean will no longer remove the Miniconda installation in ~/.gradle/glean. Therefore clean can be used without reinstalling Miniconda afterward every time.
Python:
- Breaking Change: The glean.util and glean.hardware modules, which were unintentionally public, have been made private.
- Most Glean work and I/O is now done on its own worker thread. This brings the parallelism Python in line with the other platforms.
- The timing distribution, memory distribution, string list, labeled boolean and labeled string metric types are now supported in Python (#762, #763, #765, #766)

v25.1.0 (2020-02-26)

Full changelog

Python:
- The Boolean, Datetime and Timespan metric types are now supported in Python (#731, #732, #737)
- Make public, document and test the debugging features (#733)

v25.0.0 (2020-02-17)

Full changelog

General:
- ping_type is not included in the ping_info any more (#653), the pipeline takes the value from the submission URL.
- The version of glean_parser has been upgraded to 1.18.2:
  - Breaking Change (Java API) Have the metrics names in Java match the names in Kotlin. See Bug 1588060.
  - The reasons a ping are sent are now included in the generated markdown documentation.
Android:
- The Glean.initialize method runs mostly off the main thread (#672).
- Labels in labeled metrics now have a correct, and slightly stricter, regular expression. See label format for more information.
iOS:
- The baseline ping will now include reason codes that indicate why it was submitted. If an unclean shutdown is detected (e.g. due to force-close), this ping will be sent at startup with reason: dirty_startup.
- Per Bug 1614785, the clearing of application lifetime metrics now occurs after the metrics ping is sent in order to preserve values meant to be included in the startup metrics ping.
- initialize() now performs most of its work in a background thread.
Python:
- When the pre-init task queue overruns, this is now recorded in the metric glean.error.preinit_tasks_overflow.
- glinter warnings are printed to stderr when loading metrics.yaml and pings.yaml files.

v24.2.0 (2020-02-11)

Full changelog

General:
- Add locale to client_info section.
- Deprecation Warning Since locale is now in the client_info section, the one in the baseline ping (glean.baseline.locale) is redundant and will be removed by the end of the quarter.
- Drop the Glean handle and move state into glean-core (#664)
- If an experiment includes no extra fields, it will no longer include {"extra": null} in the JSON payload.
- Support for ping reason codes was added.
- The metrics ping will now include reason codes that indicate why it was submitted.
- The version of glean_parser has been upgraded to 1.17.3
Android:
- Collections performed before initialization (preinit tasks) are now dispatched off the main thread during initialization.
- The baseline ping will now include reason codes that indicate why it was submitted. If an unclean shutdown is detected (e.g. due to force-close), this ping will be sent at startup with reason: dirty_startup.
iOS:
- Collections performed before initialization (preinit tasks) are now dispatched off the main thread and not awaited during initialization.
- Added recording of glean.error.preinit_tasks_overflow to report when the preinit task queue overruns, leading to data loss. See bug 1609734

v24.1.0 (2020-01-16)

Full changelog

General:
- Stopping a non started measurement in a timing distribution will now be reported as an invalid_state error.
Android:
- A new metric glean.error.preinit_tasks_overflow was added to report when the preinit task queue overruns, leading to data loss. See bug 1609482

v24.0.0 (2020-01-14)

Full changelog

General:
- Breaking Change An enableUpload parameter has been added to the initialize() function. This removes the requirement to call setUploadEnabled() prior to calling the initialize() function.
Android:
- The metrics ping scheduler will now only send metrics pings while the application is running. The application will no longer "wake up" at 4am using the Work Manager.
- The code for migrating data from Glean SDK before version 19 was removed.
- When using the GleanTestLocalServer rule in instrumented tests, pings are immediately flushed by the WorkManager and will reach the test endpoint as soon as possible.
Python:
- The Python bindings now support Python 3.5 - 3.7.
- The Python bindings are now distributed as a wheel on Linux, macOS and Windows.

v23.0.1 (2020-01-08)

Full changelog

Android:
- BUGFIX: The Glean Gradle plugin will now work if an app or library doesn't have a metrics.yaml or pings.yaml file.
iOS:
- The released iOS binaries are now built with Xcode 11.3.

v23.0.0 (2020-01-07)

Full changelog

Python bindings:
- Support for events and UUID metrics was added.
Android:
- The Glean Gradle Plugin correctly triggers docs and API updates when registry files change, without requiring them to be deleted.
- parseISOTimeString has been made 4x faster. This had an impact on Glean migration and initialization.
- Metrics with lifetime: application are now cleared when the application is started, after startup Glean SDK pings are generated.
All platforms:
- The public method PingType.send() (in all platforms) have been deprecated and renamed to PingType.submit().
- Rename deletion_request ping to deletion-request ping after glean_parser update

v22.1.0 (2019-12-17)

Full changelog

Add InvalidOverflow error to TimingDistributions (#583)

v22.0.0 (2019-12-05)

Full changelog

Add option to defer ping lifetime metric persistence (#530)
Add a crate for the nice control API (#542)
Pending deletion_request pings are resent on start (#545)

v21.3.0 (2019-12-03)

Full changelog

Timers are reset when disabled. That avoids recording timespans across disabled/enabled toggling (#495).
Add a new flag to pings: send_if_empty (#528)
Upgrade glean_parser to v1.12.0
Implement the deletion request ping in Glean (#526)

v21.2.0 (2019-11-21)

Full changelog

All platforms
- The experiments API is no longer ignored before the Glean SDK initialized. Calls are recorded and played back once the Glean SDK is initialized.
- String list items were being truncated to 20, rather than 50, bytes when using .set() (rather than .add()). This has been corrected, but it may result in changes in the sent data if using string list items longer than 20 bytes.

v21.1.1 (2019-11-20)

Full changelog

Android:
- Use the LifecycleEventObserver interface, rather than the DefaultLifecycleObserver interface, since the latter isn't compatible with old SDK targets.

v21.1.0 (2019-11-20)

Full changelog

Android:
- Two new metrics were added to investigate sending of metrics and baseline pings. See bug 1597980 for more information.
- Glean's two lifecycle observers were refactored to avoid the use of reflection.
All platforms:
- Timespans will now not record an error if stopping after setting upload enabled to false.

v21.0.0 (2019-11-18)

Full changelog

Android:
- The GleanTimerId can now be accessed in Java and is no longer a typealias.
- Fixed a bug where the metrics ping was getting scheduled twice on startup.
All platforms
- Bumped glean_parser to version 1.11.0.

v20.2.0 (2019-11-11)

Full changelog

In earlier 20.x.x releases, the version of glean-ffi was incorrectly built against the wrong version of glean-core.

v20.1.0 (2019-11-11)

Full changelog

The version of Glean is included in the Glean Gradle plugin.
When constructing a ping, events are now sorted by their timestamp. In practice, it rarely happens that event timestamps are unsorted to begin with, but this guards against a potential race condition and incorrect usage of the lower-level API.

v20.0.0 (2019-11-11)

Full changelog

Glean users should now use a Gradle plugin rather than a Gradle script. (#421) See integrating with the build system docs for more information.
In Kotlin, metrics that can record errors now have a new testing method, testGetNumRecordedErrors. (#401)

v19.1.0 (2019-10-29)

Full changelog

Fixed a crash calling start on a timing distribution metric before Glean is initialized. Timings are always measured, but only recorded when upload is enabled (#400)
BUGFIX: When the Debug Activity is used to log pings, each ping is now logged only once (#407)
New invalid state error, used in timespan recording (#230)
Add an Android crash instrumentation walk-through (#399)
Fix crashing bug by avoiding assert-printing in LMDB (#422)
Upgrade dependencies, including rkv (#416)

v19.0.0 (2019-10-22)

Full changelog

First stable release of Glean in Rust (aka glean-core). This is a major milestone in using a cross-platform implementation of Glean on the Android platform.

Fix round-tripping of timezone offsets in dates (#392)
Handle dynamic labels in coroutine tasks (#394)

v0.0.1-TESTING6 (2019-10-18)

Full changelog

Ignore dynamically stored labels if Glean is not initialized (#374)
Make sure ProGuard doesn't remove Glean classes from the app (#380)
Keep track of pings in all modes (#378)
Add jnaTest dependencies to the forUnitTest JAR (#382)

v0.0.1-TESTING5 (2019-10-10)

Full changelog

Upgrade to NDK r20 (#365)

v0.0.1-TESTING4 (2019-10-09)

Full changelog

Take DST into account when converting a calendar into its items (#359)
Include a macOS library in the forUnitTests builds (#358)
Keep track of all registered pings in test mode (#363)

v0.0.1-TESTING3 (2019-10-08)

Full changelog

Allow configuration of Glean through the GleanTestRule
Bump glean_parser version to 1.9.2

v0.0.1-TESTING2 (2019-10-07)

Full changelog

Include a Windows library in the forUnitTests builds

v0.0.1-TESTING1 (2019-10-02)

Full changelog

General

First testing release.

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Unreleased changes

v41.1.1 (2021-09-29)

v41.1.0 (2021-09-16)

v41.0.0 (2021-09-13)

v40.2.0 (2021-09-08)

v40.1.1 (2021-09-02)

v40.1.0 (2021-08-25)

v40.0.0 (2021-07-28)

v39.1.0 (2021-07-26)

v39.0.4 (2021-07-26)

v39.0.3 (2021-06-09)

v39.0.2 (2021-06-07)

v39.0.1 (2021-06-04)

v39.0.0 (2021-05-31)

v38.0.1 (2021-05-17)

v38.0.0 (2021-05-12)

v37.0.0 (2021-04-30)

v36.0.1 (2021-04-09)

v36.0.0 (2021-03-16)

v35.0.0 (2021-02-22)

v34.1.0 (2021-02-04)

v34.0.0 (2021-01-29)

v33.10.3 (2021-01-18)

v33.10.2 (2021-01-15)

v33.10.1 (2021-01-06)

v33.10.0 (2021-01-06)

v33.9.1 (2020-12-17)

v33.9.0 (2020-12-15)

v33.8.0 (2020-12-10)

v33.7.0 (2020-12-07)

v33.6.0 (2020-12-02)

v33.5.0 (2020-12-01)

v33.4.0 (2020-11-17)

v33.3.0 (2020-11-12)

v33.2.0 (2020-11-10)

v33.1.2 (2020-11-04)

v33.1.1 (2020-11-04)

v33.1.0 (2020-11-04)

v33.0.4 (2020-09-28)

v33.0.3 (2020-09-25)

v33.0.2 (2020-09-25)

v33.0.1 (2020-09-24)

v33.0.0 (2020-09-22)

v32.4.1 (2020-10-01)

v32.4.0 (2020-09-18)

v32.3.2 (2020-09-11)

v32.3.1 (2020-09-09)

v32.3.0 (2020-08-27)

v32.2.0 (2020-08-25)

v32.1.1 (2020-08-24)

v32.1.0 (2020-08-17)

v32.0.0 (2020-08-03)

v31.6.0 (2020-07-24)

v31.5.0 (2020-07-22)

v31.4.1 (2020-07-20)

v31.4.0 (2020-07-16)

v31.3.0 (2020-07-10)

v31.2.3 (2020-06-29)

v31.2.2 (2020-06-26)

v31.2.1 (2020-06-25)

v31.2.0 (2020-06-24)

v31.1.2 (2020-06-23)

v31.1.1 (2020-06-12)

v31.1.0 (2020-06-11)

v31.0.2 (2020-05-29)

v31.0.1 (2020-05-29)

v31.0.0 (2020-05-28)

v30.1.0 (2020-05-22)

v30.0.0 (2020-05-13)

v29.1.2 (2021-01-26)

v29.1.1 (2020-05-22)

v29.1.0 (2020-05-11)

v29.0.0 (2020-05-05)

v28.0.0 (2020-04-23)

v27.1.0 (2020-04-09)

v27.0.0 (2020-04-08)

v26.0.0 (2020-03-27)

v25.1.0 (2020-02-26)

v25.0.0 (2020-02-17)

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