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CHANGELOG
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CHANGELOG
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This file contains a summary of changes to the Oppia code base.
v3.0.1 (21 Jul 2020)
------------------------
Contributor Pages
* Fix #6672: Translation prioritization (#9443)
QA Team
* Fix part of #9740: Remove "any" from spec files and replace it by @ts-ignore (#9748)
* Remove flaky test block from voicever player suite (#9739)
* Fix frontend errors related to spying window inner width (#9701)
* Revert flaky frontend test (#9700)
* Fix the frontend flake (#9693)
* Milestone 1 - Change maintenance-page controller to component (#9662)
* Milestone 1 - Separate remaining inline AngularJS modal controllers into new files and fully covered them (#9651)
* Changing topic-and-skills-dashboard-page controller to component and test it until 100% coverage (#9650)
* Milestone 1 - Testing exploration-editor-page to get 100% coverage (part 6) (#9646)
* Milestone 1 - Testing components to get 100% coverage (part 5) (#9623)
* Milestone 1 - Testing components to get 100% coverage (part 4) (#9620)
* Milestone 1 - Fully cover 10 inline controllers (part 4) (#9601)
* Milestone 1 - Fully cover 10 inline controllers (part 3) (#9583)
* Milestone 1 - Fully cover 10 inline controllers (part 2) (#9563)
* Milestone 1 - Fully cover 10 inline controllers (#9554)
* Milestone 1 - Testing components/controllers to get 100% coverage (part 3) (#9529)
* Fix part of #6240: Adding e2e tests for playing audio translations (2nd PR) (#9518)
* Milestone 1 - Testing components to get 100% coverage (part 2) (#9508)
* Fix #9409: Fix e2e flakes (#9437)
* Milestone 1 - Testing components to get 100% coverage (#9422)
* Fix part of #4057: Test Coverage for StatesObjectFactory.ts (#9655)
* Fix #9492 Flaky frontend test (#9506)
Lesson analytics
* Introduce controller layer for improvements tasks (#9645)
* Introduce ExplorationTask, IneffectiveFeedbackLoopTask, SuccessiveIncorrectAnswersTask domain objects (#9618)
* Standardize structure of visualization directives (#9605)
* Introduce NeedsGuidingResponsesTask domain object (#9595)
* Introduce services layer for exploration improvement tasks (#9575)
* Introduce HighBounceRateTask domain object (#9515)
* Refactor PlaythroughService and increase coverage to 100% (#9497)
* Fix #3947: Clean-up Statistics tab with ClickHexbin visualization as sample introduction (#9622)
Translations
* Add french as supported site language (#9484)
Miscellaneous
* Milestone 1.5: Score 100% in Chrome audits on Donate, Email Dashboard, And Email Dashboard results Webpages (#9705)
* Milestone 1.3 and Milestone 1.4: Score 100% in Chrome audits on Collection-Player, Contact, Community-Dashboard, Creator-Dashboard, and Delete-Account Pages (#9613)
* Fix part of #7450: private access in jobs test file (#9543)
* Fix #6271: update_interaction_solution is accepting object instead of dict (#9503)
* Fix #7450: fixed private method calls for the tests in draft_upgrade_services_test.py (#9491)
* Milestone 1.2: Score 100% in Chrome audits Admin, Classroom, About, Collection_Editor pages (#9490)
* URL Changes for SEO (Static URL changes) (#9460)
* Fix part of #8038: Remove http requests from the files that are not backend api services (#9433)
* Fix #9711: Fixed the admin page job buttons issue (#9712)
* Localisation updates from https://translatewiki.net. (#9615)
Release team
* Remove extra spaces in changelog (#9724)
* Update authors and changelog for v3.0.0 (#9723)
Angular Migration
* Fix part of #7165: Remove some more any types (#9754)
* Fix part of #7165: Refactor interaction type defs and some more remove any types (#9742)
* Fix part of #7165: Remove some more any types (#9677)
* Intoduce UIB modal migration, Flex Layout Classes, and migrates sharing links directive (#9673)
* Fix part of #7165: Remove some more any types (#9663)
* Fix #7176: Remove rest of any types under the issue 7176 (#9596)
* Add oppia-root and oppia-angular-root to all modules (#9576)
* Fix part of #7176: Remove some more any types (#9544)
* Fix part of #8472: Migrate concept-card-backend-api-service to Angular 8 (#9505)
* Hybrid config (#9479)
* Fix part of #7176: Add types for Customization Args (#9463)
* Change subjects to event emitters (#9423)
* Change controllers to components (Part 2) (#9335)
Speed improvement
* Fix part of #8016: Added a separate backend api service for profile-page.controller.ts (#9387)
* Fix #8499: Serve Images in WebP (#9206)
Data handling
* Remove username from commit log models (#9329)
Bug fixes
* Fix #9808: Add component.html to build to fix topic editor in prod_env (#9857)
* Fix #9791: Fixed math editor preview in old math interaction. (#9806)
* Fix undefined values in topic manager dropdown (#9792)
* Fix #6893: Make the suggestion validation less stringent to match validation of exploration categories and modify the suggestion migration job. (#9732)
* Fix images not showing in subtopic viewer in prod and local storage handling in thumbnail editor (#9690)
* Fix #9557, #9559, #9540, #9558, #9567 - Fixed on window resize function, added migration to get_multi_skills and other UI changes (#9591)
* Fix #9565: Pass .timetuple() to time.mktime() in utils.get_time_in_millisecs (#9560)
Learner/Creator Pages
* Fix bugs in the create new subtopic modal of missing validations. (#9943)
* Fix #9904: Add check and validation to fix concept card issues. (#9910)
* Fix #9838, #9877, #9801 and #9819: Topic, subtopic and story viewer changes, trailing whitespace in RTE content and skill editor changes (#9907)
* Fix #9864: Convert schema-based-float-editor input from string to number type (#9903)
* Fix #9837, #9834, #9833 Fixing merged skills persist, topic warning is cut-off, topic description typo. (#9896)
* Fix #9818, #9772, #9786 (#9830)
* Fix #9777: Overriding guppy osk styles to fix tooltip position. (#9785)
* Fix no skills text bug (#9776)
* Minor improvements to topics and skills dashboard. (#9774)
* Fix 9756, 9755 Fixing error in deleting skill (#9769)
* Fix #9709: Show question images in question player (#9768)
* Improve pagination and making right box scrollable (#9758)
* Remove commas from input for NumericInput interactions (#9747)
* Improving the Skills dashboard UI and improving the topic preview button in topic editor. (#9743)
* Fix #9722: Fix skill modal opening twice bug, Adding reordering functionality and Unassigned topic filter (#9733)
* Add mobile view for Skill editor. (#9719)
* Fix #9587, Added mobile view for topics dashboard, skills dashboard and topic editor. (#9706)
* Milestone 1.2 and 1.3: SVG generation for new entities. (#9678)
* Upgrade the Skill Editor UI (#9672)
* Extend math expression parser. (#9658)
* Fix #9602 Add touch support to fabric js editor (#9657)
* Milestone 1.6 and 1.7: Add Math Equation Input Interaction. (#9649)
* Fix drag drop interaction bug (#9644)
* Allow images while creating questions. (#9617)
* New UI for the topic editor. (#9603)
* Add svg editor using fabric js and replace literallyCanvas (#9598)
* Add a one-off job for math expression input validation. (#9597)
* Milestone 1.3 and 1.4: Add Algebraic Expression Input Interaction (#9553)
* Upgrading the Skills dashboard UI (#9525)
* Fix #9354 and other critical bugs (#9520)
* Add validation jobs for math expressions in Explorations and draft change lists. (#9517)
* Show rubrics info in the question editor and bug fixes (#9510)
* Fix #9466: Adding thumbnail and fixing bugs (#9474)
* Redesign story viewer followup (#9473)
* Milestone 1.2.2: Add position-of-terms and math editor directives. (#9400)
* Milestone 1.1: Add the new Math schema and migrations. (#9390)
* Fix #9322: Redesign landing page (#9366)
* Milestone 1.2.1: Add math objects with validators. (#9336)
* Add functionality to filter skills in the skill selector, based on subtopics and topics. (#9280)
* Fix part of #3446: add SetInput validations (#9439)
Developer experience
* Revert "Intoduces UIB modal migration, Flex Layout Classes, and migrates sharing links directive" (#9779)
* Chromedriver Upgrade (#9775)
* Update github actions python and checkout library (#9767)
* Fix Action tasks stdout encoding (#9737)
* Update audio project codeowners (#9735)
* Remove issue assigned check from github actions (#9734)
* Fix #9697: Separate frontend and backend tests (#9699)
* Revert "Add live output for frontend tests" (#9698)
* Fix #9691: Increase build time for nav-and-misc e2e test (#9696)
* Fix Travis email notifications to always notify on failures. (#9694)
* Suppress 40k lines of ENOSPC output in frontend tests. Build GitHub Actions only on pushes/PRs to develop or release branches. (#9689)
* Fix part of #8423: Added lint check to ensure that there is one blank newline below each class docstring. (#9687)
* Container reorganization (#9684)
* Remove lint checks and backend tests from circle CI (#9671)
* Setup oppiabot workflow (#9669)
* Introduce GitHub actions to backend and linter (#9668)
* Fix #8165: implement 4 space indentation and 8 space indentation for docstrings (#9654)
* Add 'merge to target' step for all circle ci tests (#9614)
* Fix part of #8423: Added check to ensure if the instances of HtmlWebpackPlugin in webpack.common.config.ts contains all needed keys (#9590)
* Fix for #9458: Typescript linter fails on relative import (#9580)
* Assign @srijanreddy98 ownership of angular-migration files to co-own those files with @basnalnitish (#9577)
* Fix part of #8423: Added check for proper comment style for JS files (#9574)
* Fix part of #8423: Added check to ensure that all TODO messages start with a capital letter (#9573)
* Skip setup in frontend tests and e2e tests (#9572)
* Fix CircleCI setup git config (#9535)
* CI Test Organization (#9523)
* Fix part of #8423: Add lint check for alphabetized list in CSS (#9522)
* Update travis and circleci to disable tests for release changelog PRs (#9516)
* Fix part of #8423: Added lint check to ensure that there are valid spaces and newlines (#9507)
* Fix #8423: Check that functions with test_only in their names are only used in _test.py files. (#9504)
* Transfer codeowners (#9501)
* Disallow using eslint disable statement for camelcase (#9482)
* Added newline check at end of file (#9459)
* Fix part of #8423: Added check to ensure that all lines in skip_files in app.yaml reference valid files in the repository (#9451)
* Lint output is cleaner and less verbose. (#9438)
* Fix #8668: added jsdoc to improve documentation and Fix #7165: adds type clarity (#9421)
* Fix #7590: Python, HTML, CSS, Js/Ts lint tests (#8947)
* Improve run frontend tests (fixed encoding issue) (#9725)
* Fix #9683: Add Constants File for Protractor (#9720)
* Add live output for frontend tests (#9621)
v3.0.0 (29 Jun 2020)
------------------------
Contributor Pages
* Fix #9417: No difficulty level to select for questions while creating question suggestion (#9436)
* Fix #9375: Adds custom entity context for the translations in community dashboard (#9386)
Lesson analytics
* Introduce SortedTiles visualization for statistics (#9481)
* Introduce core.storage.improvements models (#9475)
* Cache the results from StateInteractionStatsService.computeStats (#9414)
* Update ExplorationMissingStatsAudit to read directly from raw models (#9384)
* Remove playthroughs from the statistics tab (#9383)
* Empty-out and simplify logic of the improvements tab (#9215)
Learner/Creator Pages
* Fix drag drop interaction bug (#9644)
* Fix #9526 and #9527: Add protip about using dedicated mic for best results and fixes timer issue (#9604)
* Fix #9354 and other critical bugs (#9520)
* Added validation jobs for math expressions in Explorations and draft change lists. (#9517)
* Show rubrics info in the question editor and bug fixes (#9510)
* Fix #9466: Adding thumbnail and fixing bugs (#9474)
* Hide practice tab when questions are fewer than 5 (#9470)
* Fix issues in the story viewer and chapter player (#9469)
* Milestone-1.3 and 1.4 add saving and editing functionality to svg editor (#9445)
* Redesign subtopic viewer (#9397)
* Redesign story viewer (#9392)
* Redesign topic viewer (#9362)
* Allow saving of stories with explorations containing skillreview RTE and DragAndDropSortInput interaction (#9360)
* Milestone 1 part 1 Initializing literallyCanvas and adding the required backend changes (#9352)
* Fix #9340: Issue while linking another skill to a question (#9341)
* Fixes some question editor bugs (#9337)
* Topic dashboard ui (#9333)
* Fix #9309: Added conditional while rendering the classroom page. (#9312)
* Allow adding images in the create skill modal (#9262)
* Fix # 9235 : Moves the "Prerequisite Skills" section to above Review Material (#9241)
* Fix #9212 and #9227: Replaces HtmlParams with FormData API; Adds check for prepublish validate to enable/disable the story publish button; Explicitly sets the mimetype while committing files to GCS (#9233)
* Fix #9209: Add css to fix overflow issues and adds logic to duplicate SVG instead of compressing it (#9216)
* Add an icon for merge skill (#9213)
* Topic Summary description migration (#9192)
* Fixes #5436 Randomize pretest questions (#9061)
Speed improvement
* Milestone 1.1: Creation of .lighthouserc.js file and scripts/lighthouse_checks.py file (#9295)
* Fix #7493: Remove jinja from base.py (#9294)
* Milestone 1.3.2: Import WaveSurfer using yarn and add typedefs for it (#9279)
* Fix part of #8833: Makes all event listeners passive by default (#9178)
Data handling
* Fix part of #5914: Complete Takeout Frontend (#9424)
* Fix part of #5914: Add JSON rendering testing to Takeout (#9301)
* Fixed user updates. (#9252)
* Added update username functionality in the admin tab. (#9191)
* Wipeout 3.10: Add new field to rights models (#8505)
QA Team
* Fix #9442: Delete Un-Migrated E2E Test Code (#9444)
* Fix #9372: Mocked datetime to fix admin test flakyness. (#9394)
* Fix part of #4057: Tests for editable-exploration-backend-api.service.ts, RecordedVoiceoversObjectFactory.ts, and topic-update.service.ts (#9380)
* Fix #8924: Separate inline AngularJS modal controllers into new files (2nd) (#9376)
* Extend ExplorationMissingStatsAudit to check for state stats (#9361)
* Fix #8924 Separate inline AngularJS modal controllers into new files (1st) (#9344)
* Introduce ExplorationMissingStatsAudit One Off Job (#9306)
* Fix #9132: Transition E2E Tests to Async-Await (#9267)
* Fix #8758: add waitFor statement in getResponseEditor method (#9229)
* Increase coverage for autosave-info-modals.service.ts (#9174)
* Fix part of #8924: Create a generic modal and replace it and inherit it in common and similar inline modals from $uibModal.open controller property (#9167)
* Fix part of #4057: Added a test file for exploration-param-specs.service.ts (#9115)
Angular Migration
* Adds all Angular services to UpgradedServices (#9416)
* Add i18n translation service for angular code! (#9398)
* Fix part of #8015: return CollectionRights rather than dict (#9389)
* Fix part of #7165: Add WARNING_TYPE to interaction validation spec files (#9371)
* Fix part of #7176: Remove any from some object factories - III (#9370)
* Fix part of #7176: Remove any from RuleObjectFactory and introduce TypeChangeService (#9365)
* Fix part of #7176: Remove any types from some object factories - II (#9349)
* Fix part of #8472: Upgrades CurrentInteractionService to Angular (#9347)
* Fix part of #7176: Add type definitions in some object factories (#9345)
* Fix part of #8472: Upgrades ExplorationRecommendationsService to Angular (#9339)
* Fix part of #8472: Upgrades UserExplorationPermissionsService to Angular (#9338)
* Migrates Background Banner directive to Angular Component (#9330)
* Fix part of #8472: Upgrade StateInteractionStatsService to Angular 8 (#9321)
* Change controllers to components (Part 1) (#9317)
* Fix part of #8742: Upgrade AnswerClassificationService to Angular 8 (#9313)
* Milestone 1.4.3: Add type definitions for __fixtures__ (#9307)
* Fix #8472: Collection creation service upgrade (#9303)
* Fix part of #8472: Upgrades StatsReportingService and MessengerService to Angular (#9299)
* Milestone 1.4.2: Split ICustomScope to respective directives (#9298)
* Fix part of #8472: Upgrades PlaythroughService to Angular (#9290)
* Fix part of #8472: Upgrades PredictionAlgorithmRegistryService to Angular 8 (#9289)
* Migrates donate-page directive to angular component (#9202)
* Refactor warning-loader in two files and create a loader service (#9156)
* Removing all nonmigratable instances of $scope and $rootScope from skill-editor module (#9136)
* Fix part of #8472: Migration (topics-and-skills-dashboard-backend-api.service.ts) AngularJs to Angular 8 (#8856)
Developer experience
* Routine upgrade of libs (#9489)
* Change codeownership from Mariana to Nithesh (#9477)
* Fix voicever upload e2e flake errors (#9403)
* Update to LaCE CODEOWNERS (#9399)
* Add QA Team Codeowner for all E2E Files (#9396)
* Fix #9325: Broaden the types of classes run by scripts.run_backend_tests and addition of tests for pylint_extensions (#9393)
* Removes codeowner for community dashboard project (#9369)
* Routine upgrade of libs (#9359)
* Transfer codeowners (#9355)
* Fix #9331: Added typescript checks to pre push hook (#9334)
* Adding @marianazangrossi as codeowner from all frontend spec files. (#9323)
* Group library and collection e2e suites on circleCI (#9315)
* Milestone 1.5: Add a check for checking the version of third party type defs (#9310)
* Refactoring whitelist to blacklist in frontend coverage script (#9304)
* Install third-party libs before running backend tests. (#9296)
* Milestone 1.4.1: Remove some any types from typings directory (#9293)
* Users suites circleci migration (#9284)
* Remove tests from Github Actions (#9283)
* Milestone 1.3.1: Type definitions for guppy, removed blobbuilder (#9278)
* Minor changes to "throw" regex so it doesn't show false positives when a throw is used inside a string (#9277)
* Exception handling is used to handle unexpected errors (#9273)
* Fix #9264: Fix node reference in typescript checks (#9270)
* Milestone 1.2: Type definitions for midi, skulpt, math expressions (#9266)
* Milestone 1.1: Add a check restricting defining type as any (#9257)
* Fixes part of #8668: All the Frontend services should be documented with jsdoc (#9250)
* Upgrade frontend and backend libraries (#9242)
* Use unminified version of angular in devMode (#9207)
* Replace {{ }} with <[ ]> (#9201)
* Fix part of #8668: Add documentation to utils.service.ts (#9197)
* Implemented locking mechanism for summary_messages (#9195)
* Fix part of #4057: Added a test file for exploration-init-state-name.service.spec.ts, exploration-language-code.service.spec.ts, exploration-objective.service.spec.ts, exploration-title.service.spec.ts (#9185)
* Fix part of #7427: Added missing docstring to core/domain/story_domai… (#9184)
* Moved codeowners for scripts and linter files. (#9182)
* Upgrade third party libraries (#9175)
Bug fixes
* Fix images not showing in subtopic viewer in prod and local storage handling in thumbnail editor (#9690)
* Fix #9557, #9559, #9540, #9558, #9567 - Fixed on window resize function, added migration to get_multi_skills and other UI changes (#9591)
* Mock the `modify_constants` in build tests (#9488)
* Fix incorrect escaping in backend. (#9467)
* Fix #9372: Fix flaky backend test in admin_test.py (#9441)
* Fix #9382: fix for bug default language on Oppia is not accurate on reload (#9420)
* Fix #9228 : Fixing subtopic card overflow (#9232)
* Fix #9208, #9211, #9217, #9234 and #9236: Open new tab in firefox without errors, restrict misconception name to 100 chars and disable solicit answer details in question editor (#9218)
* Fix #8545: Adding realtime errors for NumericInput (#9152)
* Fix #9492 Flaky frontend test (#9506)
* Revert "Increase coverage for autosave-info-modals.service.ts" (#9274)
Server Errors
* Fix #8464: Wraps exceptions as an Error object if it does not have a message property (#9343)
Release team
* Fix issues in release scripts (#9472)
* Fix maintenance mode (#9462)
* Update release credits structure and changelog PR creation (#9219)
Translations
* Fix issue of showing new tips section and allowing audio recording to the guest users in translation tab (#9626)
* Routine update of translations. (#9269)
* Fix #9138: Adds Albanian language in the site content and audio language list (#9260)
Miscellaneous
* Migrate to mailchimp (#9412)
* Fix part of #6271: Modify add_misconception to accept object instead of dict (#9351)
* Milestone 1.1: Added nerdamer library with typedefs. (#9305)
* Disable community dashboard (#9534)
* Bump react-dom from 16.1.1 to 16.1.2 (#9406)
v2.9.3 (20 May 2020)
------------------------
Contributor Pages
* Fix #9018: Capitalizes the tab name in community dashboard page (#9089)
Bug fixes
* Fix question versioning (#9318)
* Fix #9249: Add error message instead of warning modal in skill editor (#9259)
* Fix #9224: fix overflow of RTE in question editor (#9243)
* Fix #9221: Fixed the position of pencil-icon used to open review-material editor. (#9240)
* Fix #9208, #9211, #9217, #9234 and #9236: Open new tab in firefox without errors, restrict misconception name to 100 chars and disable solicit answer details in question editor (#9218)
* Fix #9040: Preferences page width in mobile devices (#9055)
Server Errors
* Fix #8456: Fix throwing of errors (#9193)
Miscellaneous
* Update meta-tags to align with better SEO standards (#9187)
* Introduce ProdValidationAuditOneOffJobMetaClass (#9183)
* Fix #9007: Add a second function argument to avoid the warning message (#9160)
* Fix part of #9146: Combine methods in LearnerAnswerDetailsBackendApiService (#9151)
* URL changes for SEO (#9109)
* Remove JQuery css manipulation from controller and use ng-class in template instead (#9104)
* Fix part of #8015: search-explorations-backend-api now returns an ExplorationMetadata object instead of a dictionary (#9090)
* Fix part of #7450 use update exploration instead of save_exploration (#9030)
* Fix part of #8015: editable.question.backend.api.service.ts now returns a domain object … (#8986)
Release team
* Update release scripts to address concerns around clarity of instructions (#9177)
* Add check for version length (#9147)
* Add check for invalid emails (#9130)
* Fix memcache url (#9080)
* Fix memcache flush issue (#9039)
* Move all wrap up steps to script (#8974)
Learner/Creator Pages
* Fix #9309: Added conditional while rendering the classroom page. (#9312)
* Fix #9288: Prevent deletion of skills assigned to topics; Add a job to clean-up deleted skills that are attached to topics; (#9291)
* Fixes bugs in the topic editor (#9265)
* Fix #9212 and #9227: Replaces HtmlParams with FormData API; Adds check for prepublish validate to enable/disable the story publish button; Explicitly sets the mimetype while committing files to GCS (#9233)
* Fix #9209: Add css to fix overflow issues and adds logic to duplicate SVG instead of compressing it (#9216)
* Fix # 7809 : Swapped buttons to ensure uniformity (#9196)
* Fix whitespace in the rte in chapter outline (#9190)
* Add chapter description (#9157)
* Add multiple explanations for each difficulty in a skill rubric (#9148)
* Fix #9134: Fixed bugs with the Drag-and-drop interaction (#9141)
* Fix #9121: Address review comments in #9087 (#9126)
* Fix #3369: Resize editor to avoid overflowing when creator uses longer responses (#9122)
* Fix UI and UX issues in new structures editors and dashboard (#9110)
* Thumbnail functionality for topic, subtopic, story and chapter (#9095)
* Username length audit job (#9093)
* Changed character limits for the new editors and allowed saving of invalid exps in draft stories (#9087)
* Fixes #7448: Adds a filter option to filter skills. (#9082)
* Replace ChangesInHumanReadableForm service to directive. (#9078)
* Fix #8951: Fixed solution preview uniqueness indicator. (#9067)
* Add an audit job to find all explorations using multichoice input interaction having invalid rules. (#9062)
* Fix #9005: Cursor changes to a pointer for the delete icon (#9054)
* The EndExploration card should not have any IDs added. (#9032)
* Fix part of #8015 : Domain object for topic-viewer-backend-api.service.ts (#8975)
* Split worked example into questions and answers in skill editor (#8946)
* Fixes #5254 Shuffle multiple choice (#8738)
* Fix #8339: Improving end exploration UI (#8725)
* Fix #8730: Throw PageNotFoundException instead when trying to access an invalid topic (#8722)
* Fix #8402: Adding replay button for lesson #8402 (#8519)
Speed improvement
* Remove ngResource from manifest as it is not used anywhere (#9072)
* Fix part of #7004: Use webpack to import ckeditor instead of script imports (#8866)
Data handling
* Fix part of #5914: Complete Controller Layer of Takeout (#9133)
* Fix part of #5914: Complete Full Takeout on Backend (#8976)
* Rework the contributors audit job to fix the models (#8961)
QA Team
* Fix #9086 and #9100: Fix classroom e2e flakes (#9118)
* Fix part of #4057: Added a test file for exploration-tags-service.ts (#9117)
* Fix part of #4057: Added a test file for exploration-param-changes.service.ts (#9114)
* Fix part of #4057: Added a test file for exploration-category-service.ts (#9108)
* Increase 100% coverage files that were fakely fully covered. (#9096)
* Fix #8758: add waitFor statement before accessing response tab element (#9081)
* Fix part of #4057. Unit test for exploration-feature-service.ts (#9076)
* Fix #8884: Select Admin Page Status Message by HTML Class (#9068)
* Fix issue #4057: Increase frontend test coverage for RatingComputationService (#8991)
* Fix part of #6240: add e2e test for item selection interaction (#8985)
* Fix Router Service unit test issues (#8919)
* Fix part of #4057: Added a test file for StateHintsService.ts . (#8811)
* Fix part of #4057: Added a test file for StateNameService.ts . (#8793)
Angular Migration
* Fix part of #8472: Upgrades CollectionCreationBackendApiService to Angular (#9125)
* Fix part of #8472: Migrate learner answer details (#9046)
* Fix part of 8472: Upgrades QuestionCreation and QuestionBackendApi service to Angular (#9029)
* Improve typing of playthrough-issues-backend-api-service (#8997)
* Fix #8966: Update expression-syntax-tree.service to use more typescript features (#8978)
* Removes unnecessary services from App.ts (#8940)
* Fix part of #8472: migrated playthrough-issues-backend-service files from angularjs to angular 8 (#8907)
Developer experience
* Fix lint issue related to bad throw pattern (#9205)
* Fix part of #7450: JobManagerUnitTests no longer abuse private methods. (#9189)
* Remove performance tests (#9188)
* Fix issues with merging of target branch on circleci (#9181)
* Fix part of #4057: increasing line-by-line coverage for classroom-backend-api.service.ts (#9168)
* Fix #9137: Changed google app engine path to be absolute path (#9161)
* Introduce contextmanager for creating temporary directories (#9142)
* Add a lint check for all jobs register in jobs_registry.py file (#9129)
* Fix #9106: Upgrade batch of libraries, fix frontend tests, and other small changes (#9107)
* Add instructions for N/A (#9105)
* Fix #8993: Linter now catchs custom js/ts lint errors (#9101)
* Fix #9079: Merge the target branch before running the tests on CircleCI (#9084)
* Remove mathjs from manifest.json (#9083)
* Fix #8954: Add separate compilation config for circleci e2e tests (#9060)
* Fix part of issue #7450: Changed email_manager_test.EmailRightsTest to use public method (#9059)
* Fix setup on Arch (#9031)
* Fix part of #7427: Added missing docstrings to core/domain/state_domain.py (#9028)
* Remove fork-ts-checker-webpack-plugin (#9019)
* Replace ui-utils with ui-validate since only this part of utils is used (#9002)
* Fix part of #7450: modified email_manager.BulkEmailsTests to use public methods instead of private methods (#8996)
* Perform yarn routine upgrade (#8984)
v2.9.2 (21 Apr 2020)
------------------------
Learner/Creator Pages
* Change character limits for the new editors and allowed saving of invalid exps in draft stories (#9087)
* Fix #9045: Add customization arg warnings (#9073)
* Fix #8951: Fix solution preview uniqueness indicator (#9067)
* Add a pre-publish validation for topics (#9056)
* Fix #9005: Cursor changes to a pointer for the delete icon (#9054)
* Fix #8926: Drag and drop response order (#8960)
* Add frontend validation for explorations in the story editor (#8899)
* Fix #8743: Add Classroom option to top navbar and hide it under SHOW_CLASSROOM_CALLOUT flag (#8832)
* Fix #8808: Disable collapsible block and tabs RTEs for questions (#8810)
* Fix part of #8746: Centralize the story view icons (#8795)
* Fix part of #6351: Add custom typing for PencilCodeEmbed (#8712)
* Fix part of #6271: Improvise update_explanation method (#8699)
* Fix part of #8038: HTTPS calls in frontend should only happen through topic-creation-backend-api.services (#8685)
* Fix part of #5296: Add an audit job to find explorations with MathExpressionInput (#8669)
* Add backend validation checks for explorations in a story (#8651)
* Add the skillreview RTE element to explorations in stories (#8617)
Contributor Pages
* Fix #9018: Capitalize the tab name in community dashboard page (#9089)
* Fix #9003, #9013: Display fully un-truncated text for skill description in Submit Question tab and show placeholder for empty rubric explanation (#9058)
* Fix #7402, #8166: Enable community dashboard page (#8957)
* Reviewer assignment functionality for community contribution (#8862)
* Fix #8249: Surface skill difficulty/rubrics in question suggestion flow (#8353)
* Fix not loading opportunities in the community dashboard. (#8948)
Lesson analytics
* Fix #7335: Use cached thread message summary to render improvement tasks (#8658)
Speed improvement
* Remove angular-drag-and-drop-lists.min.js from header js imports (#8929)
* Import wave-surfer using webpack instead of including it in third_party.js file (#8922)
* Fix #7643: Replace templateUrl with template in /extensions (#8860)
Bug fixes
* Fix #9006 and #9009: Disallow same chapter titles in stories and fixed empty names for downloaded yaml files (#9077)
* Fix #9040: Preferences page width in mobile devices (#9055)
* Fix InteractionAnswerSummariesMRJobManager handling of UTF-8 strings (#8963)
* Fix #8955: Only fetch the summaries of threads referring to explorations (#8956)
* Fix #8802: Google Chrome on Chromebook not displaying the Speech Synthesised Voiceover (#8892)
* Fix #8817: Fix progress bar issue in Firefox (#8881)
* Fix #8826: Correct Continue Button Display Style to Fix Highlight Outline (#8878)
* Fix #8815: Initialise Guppy symbols during exploration init (#8850)
* Fix #8789: Inconsistent Capitalization in Preferred Languages Dropdown (#8796)
* Fix #8132: Fix the category and language bar selection divs (#8723)
* Fix #8385: Add a error message if the exploration id entered is invalid (#8431)
Server Errors
* Fix #6757: Reload page when login_url is None (#8834)
Miscellaneous
* Fix #8877: Remove DebugInfoTrackerService from the codebase (#8879)
* Fix #8709: Load dummy skill with questions (#8724)
* Fix part of #8038: HTTPS calls in frontend should only happen through skill-creation-backend-api.services (#8674)
* Fix #8614: Move the site-feedback icon to the footer (#8640)
Release team
* Fix issues with release wrap up (#8952)
* Fix path in restore backup script (#8913)
* Updates for sending reminder to submit jobs (#8809)
Angular Migration
* Add HTTP interceptor in all the modules (#8965)
* Migration of ExpressionSyntaxTreeService to Angular 8 (#8886)
* Remove any from url-interpolation.service.ts, url.service.ts and some other files (#8823)
* Update to provide only required services in App.ts (#8807)
* Remove any from angular in all modules (#8785)
* Remove any from numeric-input-validation.service.spec.ts (#8770)
* Migrate CollectionRightsBackendApiService to Angular 8 (#8748)
* Fix part of #8472: Migrate AngularJS files to Angular 8 for SkillRightBackendApiService file (#8721)
* Fix part of #8472: Migrate EditableCollectionBackendApiService and ReadOnlyCollectionBackendApiService to Angular (#8657)
* Fix part of #8472: Migrate AngularJS files to Angular 8 for SkillObjectFactory file (#8587)
Data handling
* Add contributors audit job (#8925)
* Fix part of #5914: Export data for BaseSnapshotMetadataModel (#8749)
QA Team
* Fix part of #4057: Add frontend test cases to QuestionObjectFactory (#8934)
* Fix part of #4057: Add test cases for question-backend-api.service.ts (#8916)
* Fix #4057: Add front-end tests for UnitsObjectFactory.ts (#8915)
* Topic viewer backend api (#8905)
* Fix #8888: Await Visible Confirmation Message on Role Update (#8889)
* Fix part of #4057: Add a test file for StateParamChangesService.ts (#8825)
* Fix test file for debouncer.service.ts (#8806)
* Increase coverage for training-data-editor-panel.service.ts (#8805)
* Increase coverage for improvement-modal.service.ts (#8799)
* Increase coverage for suggestion-modal-for-creator-view.service.ts (#8791)
* Increase coverage for autosave-info-modals.service.ts (#8776)
* Increase coverage for rte-helper.service.ts (#8775)
* Increase coverage for training-modal.service.ts (#8771)
* Fix part of #4057, #8472: Migrate contribution opportunities backend api to Angular 8 and creates a spec file for it (#8763)
* Increase frontend test controllers from Milestone 4 (2nd PR) (#8736)
* Fix part of #4057: Increase frontend test services from Milestone 3.3 (3st PR) (#8696)
* Fix part of #4057: Increase frontend test services from Milestone 3.3 (4th PR) (#8729)
* Fix #6240: E2e Tests for Code Editor Interaction (#8639)
* Milestone 3.3 (1st PR) - Increase coverage for speech-synthesis-chunker.service.ts (#8636)
* Fix part of #4057: Frontend test for ExplorationFeatureService (#8588)
* Fix part of #4057: RuleObjectFactory test (#8558)
Developer experience
* Upgrade major versions of libraries (#8953)
* Fix #8920: Add check frontend coverage feature on pre push hook (#8923)
* Fix #8882: Fix collections suite flakiness (#8900)
* Fix #8869: Add innerHTML lint check (#8870)
* Speed up frontend tests (#8864)
* Reorganize CircleCI tests run order (#8851)
* Add wording to not trigger issue closure (#8837)
* Fix #8668: Document the service file with jsdoc and fix the unused-import bug (#8773)
* Fix #8625: Split linters to run for a specific file extension (#8656)
v2.9.1 (29 Mar 2020)
------------------------
QA Team
* Increase coverage for rte-helper.service.ts (#8775)
* Fix topic_id null in e2e test issue (#8756)
* Increase coverage for learner-playlist.service.ts (#8753)
* Increase frontend test controllers from Milestone 4 (1st PR) (#8732)
* Fix part of #4057: Increase frontend test services from Milestone 3.3 (2nd PR) (#8675)
* Fix part of #6240: Fix Flaky Exploration Card Finding (#8659)
* Fix part of #4057: Increase frontend test services from Milestone 3.2 (5th PR) (#8616)
* Fix part of #4057: Increase frontend test services from Milestone 3.2 (4th PR) (#8615)
* Get id-generation.service.ts up to 100% coverage in order to fix CircleCI frontend job fails (#8605)
* Fix part of #4057: Increase frontend test services from Milestone 2.2 (5th PR) - fix (#8575)
* Milestone 3.2 (3th PR) - Increase coverage for three services (#8569)
* Fix part of #4057: Increase frontend test services from Milestone 3.2 (2nd PR) (#8560)
* Fix part of #4057: Increase frontend test services from Milestone 3.2 (1st PR) (#8530)
* Increase coverage for notifications-dashboard-page.component.ts and mark-all-audio-and-translations-as-needing-update.controller.ts (#8528)
* Milestone 3.1 (3rd PR) - Increase coverage for hints-and-solution-manager.service.ts (#8525)
* Milestone 3.1 (2nd PR) - Increase coverage for three services (#8524)
* Fix part of #4057: Adds test for UserEmailPreferencesService (#8513)
* Milestone 3.1 (1st PR) - Increase coverage for three services (#8477)
* Fix part of #4057: Increase frontend test services from Milestone 2.2 (6th PR) (#8469)
* Fix part of #4057: Increase frontend test services from Milestone 2.2 (4th PR) (#8443)
* Fix part of #4057: Increase frontend test services from Milestone 2.2 (3rd PR) (#8440)
* Fix part of #6240: Add audio translations for the state content (#8571)
Lesson analytics
* Turn improvements tab off by default (#8797)
* Fix #8660: Add tests for task count notif icon (#8737)
* Only expose thread data through fetchThreads (#8496)
* Fix #6242, #7334: Change style of Playthrough buttons and made clickable area intuitive (#8480)
Server Errors
* Fix #7637: Set hoveredRegion inside onMouseMoveRegion if null (#8733)
* Fix #8702: Adds a cancel callback that removes the cancelled RTE element (#8703)
Translations
* Milestone 1 (1st PR) - Adding Audio Duration (#8203)
Miscellaneous
* Fix #8761: Prevents logging of unhandled rejection errors with status code -1 (#8762)
* Fix part of #8296: fixed rtl text on splash and about pages (#8726)
* Fix #7847: Send dummy mail button in the admin page. (#8686)
* Fix #8368: Migrate to ndb.TextProperty (#8664)
* Routine update of translations. (#8655)
* Fix #8645: Fixes reloading issue with roles tab (#8647)
* Fix #8550: Contact link added (#8551)
* Fix part of #8016: add backend service for http requests in admin-config-tab directive (#8447)
* Fix part of #7176: Refactor dicts in frontend to have only camelCase keys for AutogeneratedAudioLanguageObjectFactory (#8441)
Release team
* Fix typo in app_dev.yaml. (#8735)
* Fix issues in release automation (#8690)
* Fix issues with release automation (#8577)
* Fix comment in build script (#8568)
Learner/Creator Pages
* Fix part of #8746: Story editor, viewer, practice session bug fixes (#8774)
* Fix part of #8746: Move done/success buttons to the right (#8747)
* Fix part of #1189 Added validation for numeric-input rule type IsInclusivelyBetween. (#8742)
* Fix #8601: Added label to the topbox. (#8708)
* Fix #8157: Added a validator for long fractions. (#8671)
* Fix #8578: Story chapters don't play without prerequisite skills (#8654)
* Fix part of #5296: Changed the default math input exploration. (#8648)
* Fix #8450: Customizing "Add Item" button text. (#8638)
* Fix #8604: Topic Name Outlined in Red Until Abbreviated Name Entered (#8621)
* Add the skillreview RTE element to explorations in stories (#8617)
* Fix #2967: Allow pasting of the complete Youtube video URL in RTE components (#8611)
* Fix part of #6271: Refactor update_interaction_hints method to accept a list of Hint objects, instead of a list of dictionaries. (#8591)
* Fix part of #6271: Refactor Outcome update method to accept domain object instead of dict. (#8582)
* Modify the story viewer UI (#8581)
* Fix #7870: Corrrected the margin cutoff in translated content. (#8572)
* Fix #8450: Customizing "Add Item" button text. (#8556)
* Fix #8541: Fixing shape of footer elements (#8542)
* Fix #5690. Added modal to allow user to add commit message when saving an edit to a question. (#8538)
* Fix #8193: Added callout to classroom page. (#8511)
* Fix part of #4057: Add tests for ParamChangesObjectFactory.ts (#8495)
* Fix #8487: Fixing wrong placement of checkbox (#8491)
* Revert "Fix #8450: Customizing "Add Item" button text." (#8583)
Speed improvement
* Reduce bundle size and tidy up manifest (#8663)
* Fix part of #7643: Replace templateUrl with template (#8632)
* Fix #7643: Replace Template url to template in the objects directory (#8590)
Data handling
* Fix part of #5914: Export data for GeneralVoiceoverApplicationModel and UserContributionsScoringModel (#8626)
* Fix part of #5914: Takeout Enforcement (#8210)
Bug fixes
* Fix #8911: Fix issues with exploration state graph (#8936)
* Fix #8827, #8904 and #8903: Fixed highlight reset of feedback icon, visibility of dest state name in outcome editor and behavior of dropdown in 'Add Answer Group' modal (#8918)
* Fix #8820: Fix margin for the exploration feedback so that it can be reached. (#8898)
* Fix #8819: Remove highlight on hovering on disabled button (#8894)
* Fix #8817: Fixes progress bar issue in firefox (#8881)
* Fix #8694: Places CSS for the loading message in the correct place. (#8695)
* Add try/catch for debugging production job (#8661)
* Fix #8600: Adds new placeholder message for feedback. (#8634)
* Fix #8610: Makes backdrop static for profile image upload/edit modal. (#8620)
* Fix #8534: wrong date string format from date-time-format.service.ts (#8576)
* Fix stats regeneration job (#8490)
Angular Migration
* Fix part of #8472: Migrate SubtopicBackendService to Angular (#8643)
* Upgrade SearchExplorationBackendApiService to Angular (#8563)
* Upgrade ExpressionParserService to Angular (#8557)
* Angular8 Migration: Migrating SkillMasteryApiService (#8501)
* Migrate ClassroomBackendApiService to angular (#8462)
* Migrate PretestQuestionBackendApiService to angular (#8452)
* Migrate TopicViewerBackendApiService to Angular (#8427)
* Migrate email-dashboard-data-service to Angular (#8426)
* Migrate AdminDataService to angular (#8295)
Developer experience
* Fixes #8754: Yarn execution changes (#8757)
* Fix signup issues in e2e tests (#8727)
* Update yarn lock file (#8716)
* Fix #8714: fixing stylelint (#8715)
* Fix #6369: Simplify directory structure (#8693)
* Fix #5676: Remove gulp from project (#8691)
* Remove frontend tests for debouncer service (#8649)
* Update actions/checkout version in Actions workflows (#8629)
* Upgrade test script from bash to python (#8613)
* Attempt to fix flaky e2e tests (#8607)
* Increase efficiency of SingleLineCommentChecker (#8378)
* Fix #8269: adding check for travis.yml and protractor.conf.js (#8334)
v2.9.0 (22 Feb 2020)
------------------------
Bug fixes
* Fix #8694: Places CSS for the loading message in the correct place. (#8695)
* Fix #8603: fixing the invalid date in suggestion thread (#8673)
* Fix #8600: Adds new placeholder message for feedback. (#8634)
* Fix #8596: Removes unexpected div focus from interaction preview bar. (#8633)
* Fix #8610: Makes backdrop static for profile image upload/edit modal. (#8620)
* Fix #8608: Adds controllerAs for the map interaction (#8619)
* Fix #8439. Buggy interaction with the author profiles element (#8460)
* Fix #8209. Fixed fraction input errors. (#8454)
* Fixes #8434: fixing one off jobs in prod_env (#8435)
* Fix #8375: Add check for _submitAnswerFn (#8413)
* Fixes #8371 Removing End interaction text. (#8376)
* Fix #8330: Add min selection message for interactions with radio buttons (#8365)
* Learner Dahsboard fix UI detail (#8358)
* Fix #8049 Changed display of oppia-icon-accessibility-label (#8328)
* Fix #8215: Grammatical correctness while displaying date & time (#8357)
Server Errors
* Fix #6757: Add response headers to prevent caching of /userinfohandler (#8526)
* Fix #8181: Change $apply to $applyAsync in Base.ts and library-page.directive.ts (#8466)
* Fix #8464: Add a check for Error object in $exceptionHandler (#8465)
Translations
* Fix #8598: Console Error when Recording Voiceover (#8641)
* Adds Malay language to the supported audio languages (#8585)
Miscellaneous
* Add swap to Google Fonts link (#8554)
* Fix #8518: Add Security.txt (#8533)
* Adds codeowner for community dashboard and translation project (#8494)
* Update installation section of README (#8486)
* Removed obsolete todo from PromoBar (#8457)
* Tidy up feedback services (#8282)
* Fix part of #7450: Make private global function public (#8255)
* Fix part of #8038: Creates a backend service for collection-creation.service.ts (#8407)
* Fix #7372: Added a cassifierTrainingJob.to_player_dict() function (#7931)
Release team
* Fix app.yaml generation (#8562)
* Updates for maintenance mode (#8516)
* Updates for renaming Changelog label (#8515)
* Fixes issue with the update_changelog release script (#8478)
* Modify release info generation for release summary to be generated independently (#8474)
* Fix instructions in changelog updation (#8473)
* Updates to automation scripts to resolve issues faced in previous releases (#8425)
Learner/Creator Pages
* Fix #8602: Fetch the messages after updating the suggestion (#8624)
* Fix part of #7643: Use webpack for more directives (#8540)
* Fix #8449: Learn again button was surfaced incorrectly (#8536)
* Fix delete card icon shown even when not editable (#8535)
* Fix #8398: Use webpack to load HTML in interactions (#8503)
* Fix #8403. Added shadow for nodes in collection view. (#8428)
* Fix #8400. Changed 'audio' text and added an icon. (#8420)
* Fix #8331: Add submit button for multiple choice interaction (mobile only) (#8374)
* Fix #6433: Refactor open playthrough modal (#8117)
* Fix #7336: add getLastUpdateTime() methods to Improvement Tasks (#8101)
* Fix #7661: Improvement icon notification in the navigation bar (#7865)
Speed improvement
* Fix #7605: Remove GLOBALS.TRANSLATOR_PROVIDER_FOR_TEST from karma-globals.ts (#8344)
Data handling
* Replace 'Admin' user_id with 'admin' (#8483)
* Fix #8202: Delete GeneralFeedbackThreadUserModel that have user_id equal to None (#8481)
* Wipeout 3.6: User ID migration changes (#8361)
* Wipeout 4.4: Add account to be deleted page and send email (#8341)
* Fix #8301: Implement delete_multi for exploration and collection right models (#8319)
QA Team
* Fix part of #6240: Admin one off jobs (#8455)
* Fix part of #4057: Increase frontend test services from Milestone 2.2 (2nd PR) (#8433)
* Fix part of #4057: Increase frontend test services from Milestone 2.2 (1st PR) (#8432)
* Milestone 2.1 (5th PR) - Increase coverage for three services (#8387)
* Milestone 2.1 (4th PR) - Increase coverage for three services (#8379)
* Milestone 2.1 (3rd PR) - Increase coverage for three services (#8373)
* Milestone 2.1 (2nd PR) - Increase coverage for three services (#8345)
* Milestone 2.1 (1st PR) - Increase coverage for collection-rights-backend-api.service.ts and validators.service.ts (#8281)
Angular Migration
* Adds interceptor for Angular (#8507)
* Fix #7403. Changed mathjs imports to partial imports. (#8467)
* Migrate StoryViewerBackendApiService to angular (#8438)
* Migrate ReviewTestBackendApiService to angular (#8302)
* Upgrades StateImprovement Service to Angular (#8116)
Developer experience
* Fix #7957: Convert e2e bash script to a Python script (#8543)
* Fix #8534: Revert commit related to failing test (#8537)
* Increase angular timeout (#8509)
* Increase the frontend tests timeout to 1 minute (#8502)
* Remove unused file from FE coverage (#8459)
* Fix frontend test timeout (#8453)
* Updates Angular version in package.json & yarn.lock (#8430)
* Fix pylint linter decoding error. (#8418)
* Fix #7601: Remove separate typescript compilation (#8412)
* Fix part of #7450: Tests private method through public interface (#8411)
* Fix #7830, Added a custom lint check to ensure that there is an empty line between imports and fileoverview. (#8409)
* Fix #8125. Changed setup.py to rename yarn folder (#8405)
* Revert commits from frontend test configuration changes. (#8388)
* Fix #7427: Added args in the docstring of core/jobs_registry.py (#8386)
* Fix #8380: Move non-file-upload tests back to Travis (#8381)
* Fix #7427: Adds args in docstring of core/domain/story_domain.py (#8377)
* Adds readme to various folders (#8329)
* Fix #8077: Upgrades Angular JS to version 1.7.9 (#8254)
* Add new CircleCI job in order to check if any fully covered frontend file has decreased after PR changes (#8130)
* Changes popper.js name to popper-core in manifest.json (#8442)
* Fixes part of #5939: Custom pylint extension to ensure that docstring follow correct format. (#8410)
v2.8.9 (01 Feb 2020)
------------------------
Speed improvements
* Moved no-script tag to be injected using webpack (#8325)
* Fix #6732: Remove files from tsconfig.json (#8148)
Lesson analytics
* Stop indexing the cached last_nonempty_message_text (#8367)
Translations
* Fixes: 8350 Translation tab button text overflow (#8364)
Release Team
* Minor automation changes for branch cut (#8222)
* Fix initial release prep script (#8204)
* Update release info script for new changelog labels (#8291)
QA Team
* Milestone 1 (3rd PR) - Increase coverage for learner-answer-details-data.service.ts (#8180)
* Add sourceMap on tsconfig in order to fix test coverage issues (#8213)
* Milestone 1 (2nd PR) - Increase coverage for easy tests (#8164)
* Add simple e2e test for community dashboard page. (#8162)
* Milestone 1 (1st PR) - Increase coverage for easy tests (#8136)
Miscellaneous
* Remove extra file pattern from karma conf (#8323)
* Fix part of #7427 Add args, raises in exp_domain.py (#8288)
* Fix part of #7450: Modify private method in collection_services_test (#8287)
* Report Topic names in addition to Entity id for the abbreviated_name audit job (#8253)
* Fix part of #7450: Modify test method in InteractionUnitTests (#8201)
* Fix #7429, #7659: Set model fields as required (#8185)
* Wipeout 4.2: Implement pre deletion on the backend (#8182)
* Fix part of #7427: Add args, raises in base.py (#8176)
* Make SkillEditorTest's private method to be public (#8163)
* Fix part of #7450: Changed ConfigPropertyRegistryTests from private to public interface (#8158)
* Fix part of #7450: modify private methods in html_validation_service files (#8156)
* Fix part of #7427: Adds args, returns and raises in docstrings of utils.py (#8134)
* Wipeout 3.5: User ID migration (#8097)
Learner/Creator experience
* Fix #8384: Adds frontend skill validation (#8436)
* Fix new structures issues (#8363)
* Removed QuestionRights and SkillRights models (#8337)
* Fix #8199: Adds 16:9 aspect ratio cropping for topic thumbnail (#8303)
* Fix #8192: Added search bar to classroom page (#8270)
* Fixes #6601 modified checks for enabling and disabling the submit button in the suggestion modal (#8251)
* Renames the 'concept' RTE element to 'skillreview' (#8227)
* Fix #8126: Removed the error message for intermediate fraction expressions (#8149)
* Fix #8127: Multiple response audio highlight issue fix (#8140)
* Added a 'link concept card' RTE button (#8122)
* Introduce message cache to threads (#8091)
* Fix #8019: Adds abbreviated topic name and thumbnail fields in… (#8067)
Angular Migration
* Migrate StorySummaryObjectFactory to angular (#8326)
* Migrate StateTopAnswersStatsBackendApiService to angular (#8280)
* Migrate ExplorationFeaturesBackendApiService to angular and add tests (#8246)
* Angular Migration ConceptCardObjectFactory (#8229)
* Migrate ReadOnlyStoryNodeObjectFactory and StoryPlaythroughObjectFact… (#8220)
* Angular Migrating PlayerPosition and TopicObjectFactory (#8200)
* Upgrades CodeReplRulesService to Angular (#8195)
* Angular Migration: SuggestionThreadObjectFactory and ExtractImageFilenamesFromStateService (#8188)
* Migrating AudioTranslationService, StateObject, Playertranscript (#8183)
* Upgrades ExplorationObjectFactory to Angular (#8177)
* Upgrade PythonProgramTokenizer and CodeReplPredictionService (#8137)
* Angular 8 Service Migration DebugInfo, TopicSummaryObjectFactory (#8135)
* Upgrades BrowserCheck and LanguageUtil Service to Angular (#8115)
Community contribution and dashboar
* Fix #8007: Add one off job to regenerate skill opportunity models (#8243)
* Fix part of #7471: Frontend changes for question suggestion integration (#8057)
Data handling
* Wipeout 4.3: Full deletion process (#8335)
* Store trained classifier data on file system (#8268)
Bug fixes
* Fix #7041: Fixes race condition issue on editor page relead (#8321)
* Adds correct path for the dir in skip_files of app_dev.yaml (#8309)
* Fixes #8184: Force refresh and prevent submitting new message while one message is being submitted (#8290)
* Fixes return type of Classroom backed api service to be TopicSummaryO… (#8147)
* Fix part of #8015: Return ReadOnlySubtopicPageData instead of ReadOnlySubtopicPageDict (#8121)
Developer experience
* Decrease parallelization (#8333)
* Remove code climate coverage (#8317)
* Update yarn lock file (#8316)
* Fix part of #7450 Added new function to avoid calling a private method from user_query_jobs_one_off_test.py (#8310)
* Introduce Github Action for lint checks (#8306)
* Update node packages (#8305)
* Revert "Halt a protractor suite once the first test fails." (#8304)
* Reconfigure circleci cache (#8299)
* Fix #7852: Update skulpt to v1.1.0 and get rid of the requirement to build it locally. (#8298)
* Update Codeowner file to reflect change in username (#8322)
* Move fileUploadFeatures and topicAndStoryEditor E2E tests to CircleCI (#8312)
* Fixes #8289: Adding profile features to travis and fixing the tests (#8294)
* Removes feconf.py.bak file after updating the feconf.py file while running e2e tests (#8292)
* Try switching back to ChromeHeadless. (#8286)
* Use a mock for speechSynthesis to prevent flakiness in Karma tests. (#8283)
* Halt a protractor suite once the first test fails. (#8279)
* Remove master branch from Travis. Update CONTRIBUTING.md to match wiki home page. (#8278)
* Fixes #8265: Resolve comments from 8233 (#8276)
* Increase browser timeout (#8275)
* Upgrade node from v10.15.3 to v10.18.0. (#8266)
* Increase concurrent runs for CircleCI (#8264)
* Fixes #8260: Adding adminPage e2e test to travis.yml (#8261)
* fixes #8258: fix .eslintrc file trailing commas and ordering. (#8259)
* Change chrome headless flags and modify voice test (#8233)
* Fix #8123 (#8198)
* Update yarn version (#8187)
* Lesson analytics temporary ownership handoff to seanlip (#8170)
* Fixes frontend text issues on develop (#8167)
* Fix #8118: Ensuring use of 'pip2' or 'pip2.7' during installati… (#8153)
* Update serialize-javascript and other js dependencies (#8151)
* Reinstate test whose removal caused backend coverage to drop. (#8186)
* Fix #8023: Introduce direct coverage integration (#8145)
* Optimize the backend test runner (#8141)
* Fix build.py is not working correctly on Windows (#8139)
v2.8.8 (30 Dec 2019)
------------------------
Bug fixes
* Adds correct path for the dir in skip_files of app_dev.yaml (#8309)
* Fixes #8184: Force refresh and prevent submitting new message while one message is being submitted (#8290)
* Fix ckeditor tableselection issue (#8256)
* Fix new structure editor issues (#8245)
* Fix #8178: Remove fit-content from codebase (#8240)
* Fix #8214: non-null exploration version is passed in the stats calls (#8235)
* Fix #8114: Fixing admin page navbar (#8224)
* Fix admin navbar icons (#8113)
* Fix date formatting (#8084)
* Adds log for #6921 to track sequence of steps (#8069)
* Fix ordering in UpgradedServices file (#8050)
* Fix #7973: Fixes tutorial, navbar for small screens (#8044)
* Fix #7975: 'this' was out of scope in SidebarStatusService (#8011)
* Fix #7124: add css to preferences-bio textarea (#8010)
* Fix #7967: ensure chapter editor validation failures are not cut off on right (#8001)
* Fix #7963: Adds margin for logic proof help lines (#7997)
* Fix #7960, #7995: Fix date, publish button (#7996)
* Fix #6158: Log for interpolate url issue (#7952)
* Fixes 7939: Admin navbar misplaced fix (#7940)
* Fix #7926: Add polyfill for navigator.mediaDevices.getUserMedia (#7933)
* Fix #7906: Adds a check for errorCallback (#7927)
* Resolves ckeditor.js 404 issue on the community dashboard page (#7924)
* Fix #7342: Replace ctrl.stateName with updated state name value (#7907)
* Fix #7691: Card Basic Setting Alignment Fixed (#7904)
* Fix #7784: Add type as a second parameter when contructing a blob (#7785)
* Fix #6546: Preserve GIF Animation on resize and crop (#7760)
Code health
* Fix continue button not working in presence of correctness feedback (#8293)
* Fixed a typo in fileoverview in unit tests of ClassroomBackendApiService (#8120)
* Fix #6847: Use absolute path to require html files (#8078)
* Change ALL_LANGUAGE_CODES to SUPPORTED_CONTENT_LANGUAGES (#8062)
* Fix part of #8016: Added a seperate backend api service for review-test-page directive (#8061)
* Fix UpgradedServices to use true dependency management (#8013)
* Fix #5145: unifies from_backend_dict and from_dict methods in Playthrough and ExplorationIssue domain models (#7992)
* Fixes part of #6240: e2e tests for chapter create, edit, and delete (#7922)
Development workflow
* Upgrade eslint (#8109)
* Fixes: start.py can not run on Windows system (#8106)
* Disable audit tests (#8104)
* Upgrade Text Input Prediction Service and Text Input Tokenizer (#8103)
* Introduce Github Actions actions frontend tests (#8102)
* Upgrades TextInputRules, TextInputValidation and PencilCodeEditorRule Service to Angular (#8095)
* Migrating Context, LocalStorage Service to Angular (#8094)
* Upgrades StateObjectFactory and StatesObjectFactory to Angular (#8093)
* Revert "Fixes (partially): oppia can not not run on Windows (#7971)" (#8087)
* Fix #8068: Fix no-message in lint error for bad patterns issue. (#8075)
* Fixes part of #5939: Custom pylint extension to ensure that comments follow correct format. (#8066)
* Fix small error in pre-commit hook to prevent .pyc file from being copied. (#8065)
* Upgrades UrlInterpolationService to Angular (#8064)
* Fix #8046: create command line flag for no automatic restart (#8058)
* Resolves audit issues (#8056)
* Fixes part of #5939: Custom pylint extension for checking division operator (#8034)
* Add more explanation to the top of the run_backend_tests script. (#8012)
* Upgrades Validator, ImprovementDisplay, ExplorationHTMLFormatter, SolutionObjectFactory and InteractionObjectFactory to Angular (#7989)
* Resolve comments from PR 7953 (#7979)
* Fix #6988: Remove fonts directory (#7978)
* Fixes (partially): oppia can not not run on Windows (#7971)
* Fix skulpt install (#7953)