Issues in the core MediaWiki software itself that did not fit into any of the other projects, or if you were unsure about the right (sub)project:
- MediaWiki-Action-API
- MediaWiki-Core-AuthManager
- MediaWiki-Blocks
- MediaWiki-Categories
- MediaWiki-Change-tagging
- MediaWiki-Comment-store
- MediaWiki-Configuration
- MediaWiki-ContentHandler
- MediaWiki-Core-Benchmarker
- MediaWiki-Core-DeferredUpdates
- MediaWiki-Core-Hooks
- MediaWiki-Core-HTTP-Cache
- MediaWiki-Core-JobQueue
- MediaWiki-Core-Profiler
- MediaWiki-Core-Revision-backend
- MediaWiki-Core-Snapshots
- MediaWiki-Core-Tests
- MediaWiki-Debug-Logger
- MediaWiki-DjVu
- MediaWiki-Documentation
- MediaWiki-Email
- MediaWiki-File-management
- MediaWiki-Gallery
- MediaWiki-HTML-Templating
- MediaWiki-HTMLForm
- MediaWiki-Installer
- MediaWiki-User-Interface
- MediaWiki-Internationalization
- MediaWiki-Interwiki
- MediaWiki-Language-converter
- MediaWiki-Logevents
- MediaWiki-MergeHistory
- MediaWiki-Maintenance-system
- MediaWiki-Page-deletion
- MediaWiki-Page-derived-data
- MediaWiki-Page-diffs
- MediaWiki-Page-editing
- MediaWiki-Page-history
- MediaWiki-Page-protection
- MediaWiki-Page-rename
- MediaWiki-Parser
- MediaWiki-Parser-Templates
- MediaWiki-Parser-TrackingCategories
- MediaWiki-Patrolling
- MediaWiki-Recent-changes
- MediaWiki-Redirects
- MediaWiki-ResourceLoader
- MediaWiki-Revision-deletion
- MediaWiki-Search
- MediaWiki-Shell
- MediaWiki-Site-system
- MediaWiki-Special-pages
- MediaWiki-Uploading
- MediaWiki-User-management
- MediaWiki-User-login-and-signup
- MediaWiki-Core-Preferences
- MediaWiki-User-rename
- MediaWiki-Vendor
- MediaWiki-Watchlist
Libraries maintained as part of MediaWiki core:
- BagOStuff: MediaWiki-libs-BagOStuff
- Wikimedia\Http: MediaWiki-libs-HTTP
- Wikimedia\Mime: MediaWiki-libs-Mime
- Wikimedia\Rdbms: MediaWiki-libs-Rdbms
- Wikimedia\Stats: MediaWiki-libs-Stats
- Wikimedia\UUID: MediaWiki-libs-UUID
Libraries published and maintained in a separate repository:
- wikimedia/assert: MediaWiki-libs-Assert
- wikimedia/at-ease: at-ease
- wikimedia/base-convert: base_convert
- wikimedia/cdb: MediaWiki-libs-Cdb
- wikimedia/common-passwords: CommonPasswords
- wikimedia/css-sanitizer: css-sanitizer
- wikimedia/equivset: Equivset
- wikimedia/HtmlFormatter: HtmlFormatter
- wikimedia/ip-set: mediawiki-libs-IPUtils
- wikimedia/ip-utils: mediawiki-libs-IPUtils
- wikimedia/minify: Wikimedia-Minify
- wikimedia/normalized-exception: NormalizedException
- wikimedia/object-factory: ObjectFactory
- wikimedia/relpath: MediaWiki-ResourceLoader
- wikimedia/remex-html: RemexHtml
- wikimedia/request-timeout: MediaWiki-libs-RequestTimeout
- wikimedia/running-stat: MediaWiki-libs-RunningStat
- wikimedia/scoped-callback: MediaWiki-libs-ScopedCallback
- wikimedia/services: MediaWiki-libs-Services
- wikimedia/timestamp: MediaWiki-libs-Timestamp
- wikimedia/utfnormal: MediaWiki-libs-utfnormal
- wikimedia/wait-condition-loop: MediaWiki-libs-WaitConditionLoop
- wikimedia/wrappedstring: MediaWiki-libs-WrappedString