glean.js/CHANGELOG.md

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Unreleased changes

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v5.0.3 (2024-08-02)

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  • #1971: Bumped glean_parser version to 14.5.0.
  • #1970: Add window.Glean.debugSession API for automatically opening a link to the Debug Ping Viewer with your current session selected.

v5.0.2 (2024-05-23)

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  • #1935: BREAKING CHANGE: Remove migrateFromLegacyStorage capability and configuration option. If your project currently sets the migrateFromLegacyStorage value, this will no longer work.
  • #1942: Bumped glean_parser version to 14.1.2.

v5.0.1 (2024-04-30)

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  • #1923: Bumped glean_parser version to 14.0.1.
  • #1921: BUGFIX: Fix issue causing glean.client.annotation.experimentation_id metric to not get added in certain pings.
  • #1919: Add glean.page_id to Glean automatic events.

v5.0.0 (2024-03-25)

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This is the official release based on the v5.0.0-pre.0 release.

v5.0.0-pre.0 (2024-03-21)

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  • #1895: Improve automatic click events for nested elements.
  • #1899: Bug 1886113 - Add wall-clock timestamps to all events.
  • #1900: Bug 1886443 - automatic click events in web sample project.

v4.1.0-pre.0 (2024-03-05)

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  • #1866: Added a new uploader that falls back to fetch if navigator.sendBeacon fails.
  • #1876: BREAKING CHANGE: navigator.sendBeacon with fallback to fetch (see #1866) is now the default uploader. This can be changed manually.
  • #1850: Automatically record basic session information (session_id & session_count) for web properties.

v4.0.0 (2024-01-24)

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  • This is the official release based on the v4.0.0-pre.x releases.

v4.0.0-pre.3 (2023-12-22)

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  • #1848: Support for automatically collecting element click events (first version)
  • #1849: Truncate event extra strings to 500 bytes. This also updates other string-based metrics to truncate based on max bytes rather than a set number of characters.

v4.0.0-pre.2 (2023-12-06)

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  • #1835: Added support for automatic page load instrumentation.
  • #1846: Add logging messages when using the debugging APIs from the browser console.

v4.0.0-pre.1 (2023-12-01)

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  • #1834: Added support for navigator.sendBeacon. This is not turned on by default and needs to be enabled manually.

v4.0.0-pre.0 (2023-11-27)

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  • #1808: BREAKING CHANGE: Make glean.js fully synchronous.
  • #1835: Automatic instrumentation of page load events for simple web properties.

v3.0.0 (2023-11-16)

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This is the official release based on v3.0.0-pre.1.

v3.0.0-pre.1 (2023-11-15)

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  • #1814: BREAKING CHANGE: Temporarily drop support for web extensions. This platform will be added again once we complete the Glean.js platform refactoring.

v3.0.0-pre.0 (2023-11-10)

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  • #1810: BREAKING CHANGE: Drop support for QT.
  • #1811: Update glean_parser to v10.0.3.

v2.0.5 (2023-10-16)

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  • #1788: Fix window is undefined error when setting up browser debugging.

v2.0.4 (2023-10-10)

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  • #1772: Fix bug where window.Glean functions were getting set on non-browser properties.
  • #1784: Store window.Glean debugging values in sessionStorage. This will set debug options on page init while the current session is still active.

v2.0.3 (2023-09-27)

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  • #1770: Allow debugging in browser console via window.Glean.

v2.0.2 (2023-09-14)

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  • #1768: Add support for GLEAN_PYTHON and GLEAN_PIP environment variables.
  • #1755: Add sync check to set function for the URL metric.
  • #1766: Update default maxEvents count to 1. This means an events ping will be sent after each recorded event unless the maxEvents count is explicitly set to a larger number.

v2.0.1 (2023-08-11)

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  • #1751: Add a migration flag to initialize. If not explicitly set in the config object the migration from IndexedDB to LocalStorage will not occur. The only projects that should ever set this flag are those that have used Glean.js in production with a version <v2.0.0 and have upgraded.

v2.0.0 (2023-08-03)

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Important

This version of Glean.js migrates the browser implementation from using IndexedDB to using LocalStorage. The storage change means that all Glean.js actions run synchronously.

  • #1748: Update glean_parser version to the latest.
  • #1733: Add SSR support for Glean.js.
  • #1728: Migrate client_id and first_run_date.
  • #1695: Update Glean.js web to use LocalStorage.

v1.4.0 (2023-05-10)

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  • #1671: Allow building on Windows machines.
  • #1674: Upgrade glean_parser version to 7.2.1.

v1.3.0 (2022-10-18)

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  • #1544: Upgrade glean_parser version to 6.2.1.
  • #1516: Implement the Custom Distribution metric type.
  • #1514: Implement the Memory Distribution metric type.
  • #1475: Implement the Timing Distribution metric type.

v1.2.0 (2022-09-21)

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  • #1513: Bump URL metric character limit to 8k to support longer URLs. URLs that are too long now are truncated to URL_MAX_LENGTH and still recorded along with an Overflow error.
  • #1500: BUGFIX: Update how we invoke CLI python script to fix npm run glean behavior on Windows.
  • #1457: Update ts-node to 10.8.0 to resolve ESM issues when running tests inside of webext sample project.
  • #1452: Remove glean.restarted trailing events from events list.
  • #1450: Update ts-node to 10.8.0 to resolve ESM issues when running tests.
  • #1449: BUGFIX: Add missing quotes to prepare-release script to fix issues with version numbers in Qt sample README & circle ci config.
  • #1449: Update Qt sample project docs to include note about problems with different version numbers of Qt commands.

v1.1.0 (2022-07-18)

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  • #1318: Expose ErrorType through its own entry point.
  • #1271: BUGFIX: Fix pings validation function when scanning pings database on initialize.
    • This bug was preventing pings that contained custom headers from being successfully validated and enqueued on initialize.
  • #1335: BUGFIX: Fix uploading gzip-compressed pings in Node.
  • #1415: BUGFIX: Publish the TS type information for the web platform.

v1.0.0 (2022-03-17)

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  • #1154: BUGFIX: Implemented initialize and set_upload_enabled reasons for deletion-request ping.
  • #1233: Add optional buildDate argument to initialize configuration. The build date can be generated by glean_parser.
  • #1233: Update glean_parser to version 5.1.0.
  • #1217: Record InvalidType error when incorrectly type values are passed to metric recording functions.
  • #1267: Implement the 'events' ping.

v0.32.0 (2022-03-01)

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  • #1220: Refactor virtual environment behavior to support virtual environments that aren't in the project root.
  • #1130: BUGFIX: Guarantee event timestamps cannot be negative numbers.
    • Timestamps were observed to be negative in a few occurrences, for platforms that do not provide the performance.now API, namely QML, and in which we fallback to the Date.now API.
    • If event timestamps are negative pings are rejected by the pipeline.
  • #1132: Retry ping request on network error with keepalive: false. This is sometimes an issue on Chrome browsers below v81.
  • #1170: Update glean_parser to version 5.0.0.
  • #1178: Enable running the glean command offline.
    • When offline Glean will not attempt to install glean_parser.
  • #1178: Enable running the glean command with as many or as little arguments as wanted.
    • Previously the command could only be run with 3 commands, even though all glean_parser commands would have been valid commands for the glean CLI.
  • #1210: Show comprehensive error message when missing storage permissions for Glean on web extensions.
  • #1223: Add --glean-parser-version command to CLI to allow users to retrieve the glean_parser version without installing glean_parser.
  • #1228: BUGFIX: Apply debug features before sending pings at initialize.

v0.31.0 (2022-01-25)

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  • #1065: Delete minimal amount of data when invalid data is found while collecting ping.
    • Previous behavior was to delete the whole ping when invalid data was found on the database, new behavior only deletes the actually invalid data and leave the rest of the ping intact.
  • #1065: Only import metric types into the library when they are used either by the user or Glean itself.
    • Previously the code required to deserialize metric data from the database was always imported by the library even if the metric type was never used by the client. This effort will decrease the size of the Glean.js bundles that don't import all the metric types.
  • #1046: Remove legacy X-Client-Type X-Client-Version from Glean pings.
  • #1071: BREAKING CHANGE: Move the testResetGlean API from the Glean singleton and into it's own entry point @mozilla/glean/testing.
    • In order to use this API one must import it through import { testResetGlean } from "@mozilla/glean/testing" instead of using it from the Glean singleton directly.
    • This lower the size of the Glean library, because testing functionality is not imported unless in a testing environment.
    • This change does not apply to QML. In this environment the API remains the same.

v0.30.0 (2022-01-10)

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  • #1045: BUGFIX: Provide informative error message when unable to access database in QML.
  • #1077: BUGFIX: Do not clear lifetime metrics before submitting deletion-request ping on initialize.
    • This bug causes malformed deletion-request pings in Glean is initialized with uploadEnabled=false.

v0.29.0 (2022-01-04)

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  • #1006: Implement the rate metric.
  • #1066: BUGFIX: Guarantee reported timestamps are never floating point numbers.
    • Floating point timestamps are rejected by the pipeline.

v0.28.0 (2021-12-08)

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  • #984: BUGFIX: Return correct upload result in case an error happens while building a ping request.
  • #988: BUGFIX: Enforce rate limitation at upload time, not at ping submission time.
    • Note: This change required a big refactoring of the internal uploading logic.
  • #994: Automatically restart ping upload once the rate limit window is ended.
    • Prior to this change, ping uploading would only be resumed once the .submit() API was called again, even if Glean was not throttled anymore.
    • Note: this change does not apply to QML. We used the setTimeout/clearTimeout APIs in this feature and those are not available on the QML platform. Follow Bug 1743140 for updates.
  • #1015: BUGFIX: Make attempting to call the setUploadEnabled API before initializing Glean a no-op.
  • #1016: BUGFIX: Make shutdown a no-op in case Glean is not initialized.

v0.27.0 (2021-11-22)

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  • #981: Update rate limits for ping submission from 15 pings/minute to 40 pings/minute.
  • #967: BREAKING CHANGE: Remove debug option from Glean configuration option.
    • The Glean.setDebugViewTag, Glean.setSourceTags and Glean.setLogPings should be used instead. Note that these APIs can safely be called prior to initialization.

v0.26.0 (2021-11-19)

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  • #965: Attempt to infer the Python virtualenv folder from the environment before falling back to the default .venv.
    • Users may provide a folder name through the VIRTUAL_ENV environment variable.
    • If the user is inside an active virtualenv the VIRTUAL_ENV environment variable is already set by Python. See: https://docs.python.org/3/library/venv.html.
  • #968: Add runtime arguments type checking to Glean.setUploadEnabled API.
  • #970: BUGFIX: Guarantee uploading is immediately resumed if the uploader has been stopped due to any of the uploading limits being hit.

v0.25.0 (2021-11-15)

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  • #924: Only HTTPS server endpoints outside of testing mode.
    • In testing mode HTTP may be used. No other protocols are allowed.
  • #951: Expose Uploader, UploadResult and UploadResultStatus.
    • These are necessary for creating custom uploaders. Especially from TypeScript.

v0.24.0 (2021-11-04)

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  • #856: Expose the @mozilla/glean/web entry point for using Glean.js in websites.
  • #856: Implement the PlatformInfo module for the web platform.
    • Out of os, os_version, architecture and locale, on the web platform, we can only retrieve os and locale information. The other information will default to the known value Unknown for all pings coming from this platform.
  • #856: Expose the @mozilla/glean/web entry point for using Glean.js in websites.
  • #908: BUGFIX: Guarantee internal uploadEnabled state always has a value.
    • When uploadEnabled was set to false and then Glean was restarted with it still false, the internal uploadEnabled state was not being set. That should not cause particularly harmful behavior, since undefined is still a "falsy" value. However, this would create a stream of loud and annoying log messages.
  • #898: Implement the Storage module for the web platform.

v0.23.0 (2021-10-12)

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  • #755: Only allow calling of test* functions in "test mode".
    • Glean is put in "test mode" once the Glean.testResetGlean API called.
  • #811: Apply various fixes to the Qt entry point file.
    • Expose ErrorType. This is only useful for testing purposes;
    • Fix version of QtQuick.LocalStorage plugin;
    • Fix the way to access the lib from inside the shutdown method. Previous to this fix, it is not possible to use the shutdown method;
    • Expose the Glean.testRestGlean API.
  • #822: Fix API reference docs build step.
  • #825: Accept architecture and osVersion as initialization parameters in Qt. In Qt these values are not easily available from the environment.

v0.22.0 (2021-10-06)

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  • #796: Support setting the app_channel metric.
  • #799: Make sure Glean does not do anything else in case initialization errors.
    • This may happen in case there is an error creating the databases. Mostly an issue on Qt/QML where we use a SQLite database which can throw errors on initialization.
  • #799: Provide stack traces when logging errors.

v0.21.1 (2021-09-30)

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  • #780: Fix the publishing step for releases. The Qt-specific build should now publish correctly.

v0.21.0 (2021-09-30)

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  • #754: Change target ECMAScript target from 2015 to 2016 when building for Qt.

  • #779: Add a number of workarounds for the Qt JavaScript engine.

  • #775: Disallow calling test only methods outside of test mode.

    • NOTE: Test mode is set once the API Glean.testResetGlean is called.

v0.20.0 (2021-09-17)

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  • #696: Expose Node.js entry point @mozilla/glean/node.
  • #695: Implement PlatformInfo module for the Node.js platform.
  • #695: Implement Uploader module for the Node.js platform.

v0.19.0 (2021-09-03)

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  • #526: Implement mechanism to sort events reliably throughout restarts.
    • A new event (glean.restarted) will be included in the events payload of pings, in case there was a restart in the middle of the ping measurement window.
  • #534: Expose Uploader base class through @mozilla/glean/<platform>/uploader entry point.
  • #580: Limit size of pings database to 250 pings or 10MB.
  • #580: BUGFIX: Pending pings at startup up are uploaded from oldest to newest.
  • #607: Record an error when incoherent timestamps are calculated for events after a restart.
  • #630: Accept booleans and numbers as event extras.
  • #647: Implement the Text metric type.
  • #658: Implement rate limiting for ping upload.
    • Only up to 15 ping submissions every 60 seconds are now allowed.
  • #658: BUGFIX: Unblock ping uploading jobs after the maximum of upload failures are hit for a given uploading window.
  • #661: Include unminified version of library on Qt/QML builds.
  • #681: BUGFIX: Fix error in scanning events database upon initialization on Qt/QML.
    • This bug prevents the changes introduced in #526 from working properly in Qt/QML.
  • #692: BUGFIX: Ensure events database is initialized at a time Glean is already able to record metrics.
    • This bug also prevents the changes introduced in #526 from working properly in all platforms.

v0.18.1 (2021-07-22)

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  • #552: BUGFIX: Do not clear deletion-request ping from upload queue when disabling upload.

v0.18.0 (2021-07-20)

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  • #542: Implement shutdown API.

v0.17.0 (2021-07-16)

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  • #529: Implement the URL metric type.

  • #526: Implement new events sorting logic, which allows for reliable sorting of events throughout restarts.

v0.16.0 (2021-07-06)

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  • #346: Provide default HTTP client for Qt/QML platform.
  • #399: Check if there are ping data before attempting to delete it.
    • This change lowers the amount of log messages related to attempting to delete nonexistent data.
  • #411: Tag all messages logged by Glean with the component they are coming from.
  • #415, #430: Gzip ping payload before upload
    • This changes the signature of Uploader.post to accept string | Uint8Array for the body parameter, instead of only string.
  • #431: BUGFIX: Record the timestamp for events before dispatching to the internal task queue.
  • #462: Implement persistent storage for Qt/QML platform.
  • #466: Expose ErrorType enum, for using with the testGetNumRecordedErrors API.
  • #497: Implement limit of 1MB for ping request payload. Limit is calculated after gzip compression.

v0.15.0 (2021-06-03)

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  • #389: BUGFIX: Make sure to submit a deletion-request ping before clearing data when toggling upload.
  • #375: Release Glean.js for Qt as a QML module.

v0.14.1 (2021-05-21)

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  • #342: BUGFIX: Fix timespan payload representation to match exactly the payload expected according to the Glean schema.
  • #343: BUGFIX: Report the correct failure exit code when the Glean command line tool fails.

v0.14.0 (2021-05-19)

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  • #313: Send Glean.js version and platform information on X-Telemetry-Agent header instead of User-Agent header.

v0.13.0 (2021-05-18)

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  • #313: Implement error recording mechanism and error checking testing API.
  • #319: BUGFIX: Do not allow recording floats with the quantity and counter metric types.

v0.12.0 (2021-05-11)

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  • #279: BUGFIX: Ensure only empty pings triggers logging of "empty ping" messages.
  • #288: Support collecting PlatformInfo from Qt applications. Only OS name and locale are supported.
  • #281: Add the QuantityMetricType.
  • #303: Implement setRawNanos API for the TimespanMetricType.

v0.11.0 (2021-05-03)

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  • #260: Set minimum node (>= 12.0.0) and npm (>= 7.0.0) versions.
  • #202: Add a testing API for the ping type.
  • #253:
    • Implement the timespan metric type.
    • BUGFIX: Report event timestamps in milliseconds.
  • #261: Show a spinner while setting up python virtual environment
  • #273: BUGFIX: Expose the missing LabeledMetricType and TimespanMetricType in Qt.

v0.10.2 (2021-04-26)

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  • #256: BUGFIX: Add the missing js extension to the dispatcher.

v0.10.1 (2021-04-26)

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  • #254: BUGFIX: Allow the usage of the Glean specific metrics API before Glean is initialized.

v0.10.0 (2021-04-20)

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  • #228: Provide a Qt build with every new release.
  • #227: BUGFIX: Fix a bug that prevented using labeled_string and labeled_boolean.
  • #226: BUGFIX: Fix Qt build configuration to target ES5.

v0.9.2 (2021-04-19)

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  • #220: Update glean_parser to version 3.1.1.

v0.9.1 (2021-04-19)

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  • #219: BUGFIX: Fix path to ping entry point in package.json.

v0.9.0 (2021-04-19)

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  • #201: BUGFIX: Do not let the platform be changed after Glean is initialized.
  • #215: Update the glean-parser to version 3.1.0.
  • #214: Improve error reporting of the Glean command.

v0.8.1 (2021-04-14)

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  • #206: BUGFIX: Fix ping URL path.
    • Application ID was being reporting as undefined.

v0.8.0 (2021-04-13)

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  • #173: Drop Node.js support from webext entry points
  • #155: Allow to define custom uploaders in the configuration.
  • #184: Correctly report appBuild and appDisplayVersion if provided by the user.
  • #198, #192, #184, #180, #174, #165: BUGFIX: Remove all circular dependencies.

v0.7.0 (2021-03-26)

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  • #143: Provide a way to initialize and reset Glean.js in tests.

v0.6.1 (2021-03-22)

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  • #130: BUGFIX: Fix destination path of CommonJS' build package.json.

v0.6.0 (2021-03-22)

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  • #123: BUGFIX: Fix support for ES6 environments.
    • Include .js extensions in all local import statements.
    • Add a type: module declaration to the main package.json.

v0.5.0 (2021-03-18)

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  • #96: Provide a ping encryption plugin.
    • This plugin listens to the afterPingCollection event. It receives the collected payload of a ping and returns an encrypted version of it using a JWK provided upon instantiation.
  • #95: Add a plugins property to the configuration options and create an event abstraction for triggering internal Glean events.
    • The only internal event triggered at this point is the afterPingCollection event, which is triggered after ping collection and logging, and before ping storing.
    • Plugins are built to listen to a specific Glean event. Each plugin must define an action, which is executed every time the event they are listening to is triggered.
  • #101: BUGFIX: Only validate Debug View Tag and Source Tags when they are present.
  • #102: BUGFIX: Include a Glean User-Agent header in all pings.
  • #97: Add support for labeled metric types (string, boolean and counter).
  • #105: Introduce and publish the glean command for using the glean-parser in a virtual environment.

v0.4.0 (2021-03-10)

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  • #92: Remove web-ext-types from peerDependencies list.
  • #98: Add external APIs for setting the Debug View Tag and Source Tags.
  • #99: BUGFIX: Add a default ping value in the testing APIs.

v0.3.0 (2021-02-24)

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  • #90: Provide exports for CommonJS and browser environments.
  • #90: BUGFIX: Accept lifetimes as strings when instantiating metric types.
  • #90: BUGFIX: Fix type declaration paths.
  • #90: BUGFIX: Make web-ext-types a peer dependency.

v0.2.0 (2021-02-23)

  • #85: Include type declarations in @mozilla/glean webext package bundle.

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v0.1.1 (2021-02-17)

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  • #77: Include README.md file in @mozilla/glean package bundle.

v0.1.0 (2021-02-17)

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  • #73: Add this changelog file.
  • #42: Implement the deletion-request ping.
  • #41: Implement the logPings debug tool.
    • When logPings is enabled, pings are logged upon collection.
  • #40: Use the dispatcher in all Glean external API functions. Namely:
    • Metric recording functions;
    • Ping submission;
    • initialize and setUploadEnabled.
  • #36: Implement the event metric type.
  • #31: Implement a task Dispatcher to help in executing Promises in a deterministic order.
  • #26: Implement the setUploadEnabled API.
  • #25: Implement an adapter that leverages browser APIs to upload pings.
  • #24: Implement a ping upload manager.
  • #23: Implement the initialize API and glean internal metrics.
  • #22: Implement the PingType structure and a ping maker.
  • #20: Implement the datetime metric type.
  • #17: Implement the UUID metric type.
  • #14: Implement the counter metric type.
  • #13: Implement the string metric type.
  • #11: Implement the boolean metric type.
  • #9: Implement a metrics database module.
  • #8: Implement a web extension version of the underlying storage module.
  • #6: Implement an abstract underlying storage module.