# Launchpad

> This is the documentation for Canonical Launchpad, an open source platform that
> enables open source developers to collaborate with others to build and publish open
> source software.


2026 CC-BY-SA, Canonical Ltd.

## Pages in this subsection

- [Reference](https://ubuntu.com/docs/launchpad/user/reference/index.html.md): Comprehensive Launchpad reference documentation covering API, bugs, packaging, translations, teams, troubleshooting guides, etc.
- [Bugs](https://ubuntu.com/docs/launchpad/user/reference/bugs/index.html.md): Complete bug tracking reference for Launchpad including attachments, subscriptions, heat, expiry, and email interfaces.
- [Bug attachment](https://ubuntu.com/docs/launchpad/user/reference/bugs/bug-attachment/index.html.md): Bug attachment reference for adding screenshots, data files, patches, and documentation to Launchpad bug reports.
- [Bug expiry](https://ubuntu.com/docs/launchpad/user/reference/bugs/bug-expiry/index.html.md): Understanding bug expiry in Launchpad including automatic expiration rules, time frames, and incomplete bug lifecycle.
- [Bug heat](https://ubuntu.com/docs/launchpad/user/reference/bugs/bug-heat/index.html.md): Understand the bug heat scoring system in Launchpad for prioritizing bugs based on activity, subscribers, and duplicate reports.
- [Bug subscription](https://ubuntu.com/docs/launchpad/user/reference/bugs/bug-subscription/index.html.md): Bug subscription reference for managing notifications and filters.
- [Email interface command reference](https://ubuntu.com/docs/launchpad/user/reference/bugs/email-interface-command-reference/index.html.md): Complete reference of email interface commands for managing Launchpad bugs via email including syntax and examples.
- [Multi-project bugs](https://ubuntu.com/docs/launchpad/user/reference/bugs/multi-project-bugs/index.html.md): Multi-project bug tracking reference for managing issues that span multiple software projects in Launchpad.
- [Multi-project bugs](https://ubuntu.com/docs/launchpad/user/reference/bugs/multi-project-bugs/about-multi-project-bugs/index.html.md): Reference guide for working with multi-project bugs in Launchpad and external bug trackers.
- [Tracking bugs across multiple projects](https://ubuntu.com/docs/launchpad/user/reference/bugs/multi-project-bugs/tracking-multi-project-bugs/index.html.md): Reference guide for tracking bugs across multiple projects in Launchpad.
- [Roles](https://ubuntu.com/docs/launchpad/user/reference/bugs/roles/index.html.md): Reference guide to bug tracking roles in Launchpad.
- [Bug supervisor](https://ubuntu.com/docs/launchpad/user/reference/bugs/roles/bug-supervisor/index.html.md): Bug supervisor role reference covering responsibilities, permissions, and bug management workflows in Launchpad projects.
- [The Malone xmlrpc interface](https://ubuntu.com/docs/launchpad/user/reference/bugs/malone-xmlrpc-interface/index.html.md): Malone XML-RPC interface reference for programmatic access to Launchpad's bug tracking system.
- [Turning a bug into a question](https://ubuntu.com/docs/launchpad/user/reference/bugs/bug-to-question/index.html.md): Understanding when to convert bugs to questions in Launchpad.
- [Bug tracker API](https://ubuntu.com/docs/launchpad/user/reference/bug-tracker-api/index.html.md): Launchpad bug tracker references covering statuses, external tracker integration, and the API plugin.
- [Bug statuses in Launchpad](https://ubuntu.com/docs/launchpad/user/reference/bug-tracker-api/bug-statuses/index.html.md): Complete reference of bug statuses in Launchpad.
- [External bug statuses](https://ubuntu.com/docs/launchpad/user/reference/bug-tracker-api/external-bug-statuses/index.html.md): Reference guide to external bug trackers and bug statuses in Launchpad.
- [Bug tracker API plugin](https://ubuntu.com/docs/launchpad/user/reference/bug-tracker-api/plugin-api/index.html.md): Launchpad bug tracker API plugin reference.
- [Interoperability with external bug trackers](https://ubuntu.com/docs/launchpad/user/reference/bug-tracker-api/external-bug-trackers/index.html.md): Reference for level of interoperability between Launchpad and external bug trackers.
- [Launchpad comment parsing](https://ubuntu.com/docs/launchpad/user/reference/comment-syntax/index.html.md): Reference of Launchpad comment parsing syntax for linking bugs and branches using special markup in comments.
- [Proprietary git repository hosting](https://ubuntu.com/docs/launchpad/user/reference/proprietary-hosting/index.html.md): Reference guide to proprietary git hosting for projects on Launchpad.
- [Glossary](https://ubuntu.com/docs/launchpad/user/reference/glossary/index.html.md): Glossary of Launchpad terminology including technical terms, concepts, and definitions for developers and users.
- [Launchpad and community](https://ubuntu.com/docs/launchpad/user/reference/launchpad-and-community/index.html.md): Launchpad and community reference covering support, badges, announcements, legal policies, and licensing requirements.
- [Launchpad badges](https://ubuntu.com/docs/launchpad/user/reference/launchpad-and-community/launchpad-badge-kit/index.html.md): Launchpad badge kit reference for adding and displaying badges.
- [Getting support in Launchpad](https://ubuntu.com/docs/launchpad/user/reference/launchpad-and-community/get-support/index.html.md): Reference for getting support in Launchpad using the Answer tracker.
- [Legal](https://ubuntu.com/docs/launchpad/user/reference/launchpad-and-community/legal/index.html.md): Legal reference for Launchpad covering licenses, policies, terms of service, and intellectual property requirements.
- [Launchpad policies](https://ubuntu.com/docs/launchpad/user/reference/launchpad-and-community/legal/launchpad-policies/index.html.md): Launchpad policies reference including terms of service, acceptable use, privacy, and community guidelines.
- [Licenses](https://ubuntu.com/docs/launchpad/user/reference/launchpad-and-community/legal/project-licenses/index.html.md): Project licenses reference for choosing and declaring software licenses for projects hosted on Launchpad.
- [Launchpad license](https://ubuntu.com/docs/launchpad/user/reference/launchpad-and-community/legal/launchpad-license/index.html.md): Launchpad license reference covering AGPL licensing and trademarks.
- [Project announcements](https://ubuntu.com/docs/launchpad/user/reference/launchpad-and-community/project-announcements/index.html.md): Project announcements reference for publishing news, updates, and releases through Launchpad feeds.
- [launchpadlib API compatibility](https://ubuntu.com/docs/launchpad/user/reference/launchpadlib-api-compatibility/index.html.md): Launchpadlib API compatibility guide for different Ubuntu version.
- [Live file systems](https://ubuntu.com/docs/launchpad/user/reference/live-file-systems/index.html.md): Reference documentation for live file systems in Launchpad.
- [Loggerhead](https://ubuntu.com/docs/launchpad/user/reference/loggerhead/index.html.md): Loggerhead web interface reference for browsing Bazaar repositories and viewing code history.
- [Packaging](https://ubuntu.com/docs/launchpad/user/reference/packaging/index.html.md): Packaging reference for Launchpad including PPAs and source builds.
- [Personal package archives](https://ubuntu.com/docs/launchpad/user/reference/packaging/ppas/index.html.md): Personal Package Archives reference covering management, and building, copying, and deleting packages.
- [Personal Package Archive](https://ubuntu.com/docs/launchpad/user/reference/packaging/ppas/ppa/index.html.md): Personal Package Archive reference - supported series and architectures, quotas, retention, and signing key facts.
- [Building a source package](https://ubuntu.com/docs/launchpad/user/reference/packaging/ppas/building-a-source-package/index.html.md): Reference for building source packages in Launchpad PPAs including versioning, snapshots, and dependencies.
- [Prioritising builds](https://ubuntu.com/docs/launchpad/user/reference/packaging/build-scores/index.html.md): Reference for prioritizing builds in Launchpad using build scores.
- [Builder specs](https://ubuntu.com/docs/launchpad/user/reference/packaging/builder-specs/index.html.md): Builder specifications for different architectures in Launchpad.
- [Source builds](https://ubuntu.com/docs/launchpad/user/reference/packaging/source-builds/index.html.md): Source builds reference documents including naming conventions, and the knowledge base.
- [Naming conventions for daily builds](https://ubuntu.com/docs/launchpad/user/reference/packaging/source-builds/naming-conventions/index.html.md): Naming conventions for daily builds in Launchpad.
- [Source builds knowledge base](https://ubuntu.com/docs/launchpad/user/reference/packaging/source-builds/source-builds-knowledge-base/index.html.md): Source builds knowledge base with articles and guides for working with and troubleshooting Launchpad's daily builds feature.
- [Branch information types](https://ubuntu.com/docs/launchpad/user/reference/privacy-and-confidentiality/index.html.md): Reference guide for branch information type to ensure Privacy and confidentiality.
- [Project groups](https://ubuntu.com/docs/launchpad/user/reference/project-groups/index.html.md): Learn about project groups in Launchpad for managing related projects from a single place.
- [Question Life-cycle](https://ubuntu.com/docs/launchpad/user/reference/question-life-cycle/index.html.md): Reference document for the question life cycle in Launchpad Answers including statuses, transitions, and roles.
- [Roles in code review](https://ubuntu.com/docs/launchpad/user/reference/code-review-roles/index.html.md): Reference guide for code review roles in Launchpad including reviewers, owners, and team reviewers.
- [SSH fingerprints](https://ubuntu.com/docs/launchpad/user/reference/ssh-fingerprints/index.html.md): Launchpad's SSH fingerprints for different SSH endpoints.
- [Support in your native language](https://ubuntu.com/docs/launchpad/user/reference/native-language-support/index.html.md): Reference guide to native language support in Launchpad for translations.
- [Table of applications using the API](https://ubuntu.com/docs/launchpad/user/reference/api-uses/index.html.md): Comprehensive table of applications and tools using Launchpad API for integration, automation, and additional functionality.
- [Teams](https://ubuntu.com/docs/launchpad/user/reference/teams/index.html.md): Teams reference when creating and managing teams in Launchpad.
- [Launchpad teams](https://ubuntu.com/docs/launchpad/user/reference/teams/launchpad-teams/index.html.md): Launchpad teams reference covering membership policies, finding teams, and learning more about them.
- [Translations](https://ubuntu.com/docs/launchpad/user/reference/translations/index.html.md): Translations reference for Launchpad covering language guidelines, licensing, permissions, etc.
- [Translating your software](https://ubuntu.com/docs/launchpad/user/reference/translations/software-translation/index.html.md): Reference guide for managing software translations in Launchpad.
- [Translation guidelines](https://ubuntu.com/docs/launchpad/user/reference/translations/translation-guidelines/index.html.md): Reference guide for adding translation guidelines for your project.
- [Language-specific translation guides](https://ubuntu.com/docs/launchpad/user/reference/translations/language-specific-guides/index.html.md): Language-specific translation guides for translators using Launchpad Translations.
- [Choosing a permissions policy](https://ubuntu.com/docs/launchpad/user/reference/translations/permissions-policies/index.html.md): Reference for permissions policies for Launchpad translations.
- [Translation import policy](https://ubuntu.com/docs/launchpad/user/reference/translations/translation-import-policy/index.html.md): Translation import policy reference for uploading and synchronizing translation files in Launchpad projects.
- [Launchpad translators group](https://ubuntu.com/docs/launchpad/user/reference/translations/translators-group/index.html.md): Launchpad translators group reference covering team structure, membership, permissions, and translation coordination.
- [Translations licensing FAQ](https://ubuntu.com/docs/launchpad/user/reference/translations/translations-licensing/index.html.md): Translations licensing frequently asked questions covering copyright, licensing requirements, and legal considerations.
- [Plural forms information for languages](https://ubuntu.com/docs/launchpad/user/reference/translations/language-plural-forms/index.html.md): Plural forms reference for different languages in Launchpad translations including grammar rules.
- [Reusing packaged translations](https://ubuntu.com/docs/launchpad/user/reference/translations/reusing-packaged-translations/index.html.md): Understanding when to reuse a translation.
- [PO templates](https://ubuntu.com/docs/launchpad/user/reference/translations/po-templates/index.html.md): PO templates reference for gettext translation files.
- [Launchpad project translation best practices](https://ubuntu.com/docs/launchpad/user/reference/translations/translation-best-practices/index.html.md): Launchpad translation best practices for project maintainers.
- [Translation sharing and suggestions](https://ubuntu.com/docs/launchpad/user/reference/translations/translation-sharing-and-suggestions/index.html.md): Translation sharing and suggestions in Launchpad for reusing translations.
- [Troubleshooting](https://ubuntu.com/docs/launchpad/user/reference/troubleshooting/index.html.md): Troubleshooting guide for resolving common Launchpad issues.
- [Your email address is already in Launchpad](https://ubuntu.com/docs/launchpad/user/reference/troubleshooting/email-address-already-in-use/index.html.md): Reference for troubleshooting email address conflict during registration.
- [Settings and preferences](https://ubuntu.com/docs/launchpad/user/reference/settings-and-preferences/index.html.md): Reference doc for Launchpad account settings and personalization options.
- [Webhooks](https://ubuntu.com/docs/launchpad/user/reference/webhooks/index.html.md): Set up webhooks in Launchpad to receive real-time HTTP notifications.

## Optional

- [Top-level llms.txt](https://ubuntu.com/docs/launchpad/llms.txt): Complete documentation index.