Version 0.9.4
~~~~~~~~~~~~~~
Released: 2016-04-18

Features:
 * Handle legacy screenshot tags (Matthias Klumpp)
 * Print prettier YAML documents (Matthias Klumpp)
 * yaml: Allow loading of distro metadata slices without header (Matthias Klumpp)
 * Do not check for installation candidate on minimal validation (Matthias Klumpp)
 * Don't check if component has an installation candidate before including it (Matthias Klumpp)
 * Quick-check components only when the pool is fully loaded (Matthias Klumpp)
 * Support the stub data of GNOME Software (Matthias Klumpp)
 * Support reading per-component priorities (Matthias Klumpp)
 * Implement the architecture property (Matthias Klumpp)
 * Use architecture data to resolve conflicting IDs (Matthias Klumpp)
 * Add icon size information to generated XML (Matthias Klumpp)
 * xml: Load size hints for icons (Matthias Klumpp)
 * l10n: Update

Specification:
 * docs: Explicitly define more minimally required tags per component type (Matthias Klumpp)
 * Make /usr/share/metainfo the canonical path for upstream metadata (Matthias Klumpp)
 * spec: Make architecture a property of <components/>, and no tag (Matthias Klumpp)
 * spec: Update the cached icon DEP-11 specification to allow size information (Matthias Klumpp)

Bugfixes:
 * Fix a few minor issues spotted by the YAML validator (Matthias Klumpp)
 * Correctly build distro XML descriptions from upstream XML (Matthias Klumpp)
 * Be very strict about which elements are allowed in a description tag (Matthias Klumpp)
 * yaml: Prevent bool keys (Matthias Klumpp)
 * ascli: Properly print long descriptions and wrap lines (Matthias Klumpp)
 * Export less C++ symbols (Matthias Klumpp)
 * Show a better error message when failing to parse XML (Matthias Klumpp)
 * Allow adding 0x0 icons (Matthias Klumpp)
 * yaml: Implement the updated "cached" icon format in a backwards-compatible way (Matthias Klumpp)
 * apt: Drop flat repository entries (Matthias Klumpp)
 * Probe less sizes if we already have size information (Matthias Klumpp)
 * Don't make stubs delete package information from valid components (Matthias Klumpp)
 * apt: Handle quoted origin entries properly (Matthias Klumpp)

Version 0.9.3
~~~~~~~~~~~~~~
Released: 2016-03-24

Features:
 * Allow to update an existing component with fresh metadata
 * Implement YAML serialization
 * writer: Allow to omit writing a header/root node
 * cli: Add convenience method to install metainfo files
 * cli: Add a new "status" command for various diagnostic information
 * yaml: Allow unicode
 * Print prettier XML by default
 * l10n: Update

Bugfixes:
 * Reset umask before building the data cache
 * apt: Work around APT using server mtime for its downloaded files

Version 0.9.2
~~~~~~~~~~~~~~
Released: 2016-02-28

Features:
 * qt: Improve usage of Qt containers (Aleix Pol)
 * qt: Implement Component::extends on the Qt front-end (Aleix Pol)
 * qt: Also call reserve for bundles on the Qt frontend (Aleix Pol)
 * validator: strstrip values when reading XML/YAML and validate linebreaks in summaries (Matthias Klumpp)
 * validator: Check if a description is present (Matthias Klumpp)
 * Always build with YAML support (Matthias Klumpp)
 * Move XML parser into its own class (Matthias Klumpp)
 * Make data-pool use the new YAML-aware metadata parser (Matthias Klumpp)
 * Simplify data-pool building routine (Matthias Klumpp)
 * Preprocess extension information for frontends (Matthias Klumpp)
 * qt: Use the new extensions property (Matthias Klumpp)
 * Implement translations tag (Matthias Klumpp)
 * cli: Document the "install" command (Matthias Klumpp)
 * l10n: Update

Specification:
 * spec: Document the translation tag (Matthias Klumpp)
 * doc: Don't use <tip/> tags in documentation (Matthias Klumpp)
 * spec: Mention the essential tags for a type:desktop component (Matthias Klumpp)

Bugfixes:
 * as-cache-builder: Cope with no YAML documents (Iain Lane)
 * 50appstream: Don't run if we can't write to the system paths (Iain Lane)
 * Check for writability instead of root permissions when updating the cache (Matthias Klumpp)
 * qt: Don't compute screenshot images and then forget about them (Aleix Pol)
 * Add the missing extends property to the Xapian cache (Matthias Klumpp)
 * validator: Don't fail validation for description-less addons. (Matthias Klumpp)
 * Make reading empty cache values more robust (Matthias Klumpp)
 * Check if GIR scanner & compiler are really installed (Matthias Klumpp)

Version 0.9.1
~~~~~~~~~~~~~~
Released: 2016-02-04

Features:
 * Improve Qt5 usage (Aleix Pol)
 * Also use Q_GLOBAL_STATIC for Provides::kindToString (Aleix Pol)
 * validator: Validate the font component type (Matthias Klumpp)
 * Implement date property on release tags (Matthias Klumpp)
 * Ship ITS files from KDE upstream (Matthias Klumpp)

Specification:
 * doc: Clarify why the metadata_license tag is needed (Matthias Klumpp)
 * spec: Specify font component type (Matthias Klumpp)
 * doc: Update year and version (Matthias Klumpp)
 * spec: Specify a date attribute on release tags, containing an ISO8601 time (Matthias Klumpp)

Bugfixes:
 * Lower cmake requirement to 3.1.0 (Harald Sitter)
 * doc: DEP-11 URLs are no integers (Matthias Klumpp)
 * apt: Hide appstreamcli stdout output (Matthias Klumpp)
 * Return specific error when cache was not found (Matthias Klumpp)
 * apt: Ensure DEP-11 files stay gzip compressed (Matthias Klumpp)
 * apt: Correctly test for appstreamcli (Matthias Klumpp)
 * Fix a few memory leaks (Matthias Klumpp)
 * Work around limitations of GLibs time_val_from_iso8601 function (Matthias Klumpp)

Version 0.9.0
~~~~~~~~~~~~~~
Released: 2015-12-12

Notes:
 * This release breaks API/ABI, ensure you adjust your depending applications!
   All code marked as legacy has been removed, as well as some older, now unnecessary
   classes. Instead, new classes, like AsProvided, have now been introduced.
   Take a look at the API documentation for furher information.
 * For Debian-based systems, we now provide full integration with the APT package-manager.
   Support for this feature needs to be explicitly enabled at build-time.

Features:
 * Use modern GLib macros to declare types (Matthias Klumpp)
 * Refactor icon handling (Matthias Klumpp)
 * Refactor handling of provided items (Matthias Klumpp)
 * Modernize AsCacheBuilder class (Matthias Klumpp)
 * Modernize AsCategory class (Matthias Klumpp)
 * Bump API level (Matthias Klumpp)
 * Make some AsComponent methods private (Matthias Klumpp)
 * Drop obsolete utility functions (Matthias Klumpp)
 * Modernize AsDatabase class (Matthias Klumpp)
 * Drop AsSearchQuery (Matthias Klumpp)
 * Make AsDistroDetails a modern class (Matthias Klumpp)
 * Modernize AsMenuParser and AsImage (Matthias Klumpp)
 * Update validator classes (Matthias Klumpp)
 * Improve error handling for database queries. (Matthias Klumpp)
 * Initial code to improve APT integration (Matthias Klumpp)
 * Refine the AsDataPool class (Matthias Klumpp)
 * cli: Add new install command to directly install components (Matthias Klumpp)
 * cli: Make removal of packages by component-id possible (Matthias Klumpp)
 * Make cache builder smarter in detecting metadata changes (Matthias Klumpp)
 * l10n: Update translations

Bugfixes:
 * categories: Add missing icon names (Aleix Pol)
 * Tweak the component-id-collision test slightly (Matthias Klumpp)
 * AsComponent: Added missing documentation (Corentin Noël)
 * gir: Fix warnings (Matthias Klumpp)
 * Always build a new cache if none existed yet in the target location (Matthias Klumpp)
 * Don't do symlink maintenance if target doesn't exist yet (Matthias Klumpp)

Version 0.8.6
~~~~~~~~~~~~~~
Released: 2015-11-06

Features:
 * Define autoptr macros for AppStream types (Matthias Klumpp)
 * Implement the release/size tag (Matthias Klumpp)
 * validator: Check for missing name / summary in metainfo and .desktop files
   (Matthias Klumpp)

Specification:
 * spec: Specify the appstream:// URL handler (Matthias Klumpp)
 * spec: Add new size tag to the release tag (Matthias Klumpp)

Bugfixes:
 * Don't fail displaying package names in component_to_string (Matthias Klumpp)
 * Fixed VAPI compilation. (Corentin Noël)
 * qt: Correctly load icon urls again (Matthias Klumpp)
 * Add missing GIR annotations. (Corentin Noël)
 * Reinitialize the DEP-11 parser after each file (Corentin Noël)

Version 0.8.5
~~~~~~~~~~~~~~
Released: 2015-10-14

Features:
 * Update README
 * Use ProtoBuf to serialize data for the Xapian cache
 * Annotate the proto definition with descriptions about the messages
 * Restructure database schema definition
 * qt: Read screenshots pb data
 * qt: Fully support the new database layout
 * Show if component type is unknown in debug output
 * Implement the release-urgency property
 * qt: Don't build standalone - this now only leads to potential errors
 * qt: Add some very basic unit tests
 * Enable unit-tests unconditionally

Specification:
 * spec: Document the release-urgency property

Bugfixes:
 * Don't stop processing completely, if XML file with errors is found
 * cli: Fix display of detailed output
 * Correctly check the database schema version
 * Move default cache to avoid errors when the old db is still around
 * qt: Ensure database schema version matches
 * Don't crash if database schema is unknown

Version 0.8.4
~~~~~~~~~~~~~~
Released: 2015-09-08

Features:
 * ascli: Validate whole file trees
 * qt: Align version number with the AppStream version numbers
 * validator: Always include the filename in validator output
 * qt: Remove support for Qt4
 * ascli: Allow some commands to bypass the cache
 * Change validator output to make it a bit easier to read
 * validator: Validate metainfo filenames as well
 * l10n: Update translations

Bugfixes:
 * Fix crash when parsing metainfo file without all locales enabled
 * ascli: Make manpage reflect reality

Version 0.8.3
~~~~~~~~~~~~~~
Released: 2015-08-28

Notes:
 * All the different appstream-* tools are now combined in one
   appstream-cli tool.

Features:
 * Be less strict about valid screenshot tags
 * Implement changes on provides/firmware
 * Rename the 'appstream*' tools to 'appstream-cli'
 * Implement MediaBaseUrl property
 * dep11: Implement parsing of Releases

Specification:
 * docs: Document the new naming scheme for type:firmware component IDs
 * Start documenting DEP-11 in AppStream as well
 * docs: Mention the DEP-11 validator tool
 * docs: Completely describe current DEP-11 spec

Bugfixes:
 * The DBus session bus is actually an user bus
 * Fix component priorization for XML and YAML

Version 0.8.2
~~~~~~~~~~~~~~
Released: 2015-06-26

Notes:
 * Ubuntu AppInstall support has been removed from this release, as its data
   never matched the DEP11/ASXML data and pretty much every distribution can offer
   one of those better data sources now.
 * This release contains some heavy refactoring, most importantly it removes the
   "DataProvider" concept and hardcodes the ASXML/DEP11 metadata parsers.
   This improves maintainability and speed of the AppStream libraries.
   Please report any bugs you may find!

Features:
 * Refactor DataProvider code (Matthias Klumpp)
 * Remove DEP-11 validator, it belongs to the dep11 package (Matthias Klumpp)
 * Add icon information to generated XML (Matthias Klumpp)
 * Allow more than one checksum kind per AsRelease (Matthias Klumpp)
 * Propagate bundle information in case multiple components with the same id are found
   (Matthias Klumpp)

Bugfixes:
 * tests: Add unit test for simple XML description writer (Matthias Klumpp)
 * Remove some useless code in AsDataPool and recognize DEP-11 data again (Matthias Klumpp)
 * Fix several quirks in the ASXML description writing code (Matthias Klumpp)
 * tests: Add rudimentary DEP-11 test (Matthias Klumpp)
 * Fix a rare double-free corruption (Matthias Klumpp)
 * Extract correct description markup when reading distro XML (Matthias Klumpp)
 * Updated POTFILES.in (Piotr Drąg)

Version 0.8.1
~~~~~~~~~~~~~~
Released: 2015-05-31

Features:
 * qt: Add QLoggingCategory appstreamqt.database (Daniel Nicoletti)
 * Don't implicitly clear component list when parsing XML (Matthias Klumpp)
 * Implement support for firmware component type (Matthias Klumpp)
 * qt: Recognize firmware component type (Matthias Klumpp)

Specification:
 * spec: Document the firmware component (Matthias Klumpp)

Bugfixes:
 * qt: Remove useless moc file on database.cpp (Daniel Nicoletti)
 * Fix doc symlink install code (Matthias Klumpp)
 * qt: Load developer_name from database (Matthias Klumpp)
 * Prevent crash when saving an empty XML document (Matthias Klumpp)
 * Handle empty XML document as valid file (Matthias Klumpp)
 * Relicense some remaining files from GPLv3 to GPLv2 (Matthias Klumpp)
 * Fix typo which prevented description XML from being generated (Matthias Klumpp)

Version 0.8.0
~~~~~~~~~~~~~~
Released: 2015-01-26

Notes:
 * This release contains a few new tags, <source_pkgname/> and <bundle/>, as well
   as several specification refinements.
   Refer to the documentation for detailed explanations.

Features:
 * qt: Make Qt5 default (Aleix Pol)
 * validator: Hide pedantic issues by default (Matthias Klumpp)
 * Make origin a public property of the metadata generator (Matthias Klumpp)
 * Implement the <bundle/> tag (Matthias Klumpp)
 * qt: Implement support for bundles (Matthias Klumpp)
 * Update the validator to the latest spec version (Matthias Klumpp)
 * Implement <source_pkgname/> tag (Matthias Klumpp)
 * validator: Make it possible to validate a gzip-compressed metadata file (Matthias Klumpp)
 * Install prebuilt documentation by default (Matthias Klumpp)

Specification:
 * spec: Allow width and height properties for "local" and "remote" icons (Matthias Klumpp)
 * spec: Add <bundle/> tag (Matthias Klumpp)
 * spec: Allow bundles of type "xdg-app", additionally to "limba" (Matthias Klumpp)
 * spec: Make clear that <release/> tags may have a <description/> child (Matthias Klumpp)
 * spec: Recommend screenshot sizes for distro-XML (Matthias Klumpp)
 * spec: Specify the <source_pkgname/> tag (Matthias Klumpp)

Bugfixes:
 * Clean up some dead code in Xapian wrapper (Matthias Klumpp)
 * Fix a couple of minor issues found by static code analysis (Matthias Klumpp)
 * asi: Always return a valid exit code (Matthias Klumpp)
 * Always search for data in /usr/share, ignore DATADIR (Aleix Pol)
 * Correctly read and propagate language properties (Matthias Klumpp)
 * Add missing developer_name to database (Matthias Klumpp)
 * Improve database-writing code to ignore NULL values (Matthias Klumpp)
 * Properly write localized XML for some tags (Matthias Klumpp)
 * validator: Fix empty-check for description tag (Matthias Klumpp)
 * validator: Don't perform sanity checks on the metadata tag (Matthias Klumpp)

Version 0.7.6
~~~~~~~~~~~~~~
Released: 2015-01-14

Notes:
 * This release contains some API and ABI breaks. Recompiling against the new library
   should be the only necessary step for most software, if you were not using
   deprecated functionality.

Features:
 * Update translations
 * Update database location for possible fast language switching (Matthias Klumpp)
 * Use colorful output when using GCC and compiling in maintainer-mode (Matthias Klumpp)
 * Make API to parse distro XML in AsMetadata public (Matthias Klumpp)
 * Allow building distro XML from a list of AsComponent objects (Matthias Klumpp)
 * Convert AsComponent into a "modern" GObject (Matthias Klumpp)
 * Add extra multilanguage support to AsComponent, which is needed for
   complete serialization (Matthias Klumpp)
 * Remove functions marked as deprecated (Matthias Klumpp)
 * Add convenience functions to save generated XML (Matthias Klumpp)

Bugfixes:
 * Move component serialization to AsMetadata (Matthias Klumpp)

Version 0.7.5
~~~~~~~~~~~~~~
Released: 2014-11-28

Features:
 * Update translations

Specification:
 * doc: Clarify meaning of icon types (Matthias Klumpp)

Bugfixes:
 * dep11: Fix memory leak in DEP-11 parser (Matthias Klumpp)
 * Fix origin<->name confusion (Matthias Klumpp)

Version 0.7.4
~~~~~~~~~~~~~~
Released: 2014-10-30

Features:
 * Add local icon directories to the icon search path (Matthias Klumpp)
 * Properly handle origin and icons in size-specific directories (Matthias Klumpp)
 * Allow client applications to fetch icons in multiple sizes (Matthias Klumpp)
 * qt: Implement multisize-icons (Matthias Klumpp)
 * qt: Add documentation to the deprecated methods (Matthias Klumpp)
 * validator: Ensure that stock and cached icons only contain the icon basename (Matthias Klumpp)

Bugfixes:
 * dep11: refine quote test (Matthias Klumpp)
 * Don't count it as problem if no metadata is found (Matthias Klumpp)
 * Check if AppInstall directory exists, before attempting to scan it (Matthias Klumpp)
 * Don't query system categories while processing metadata (Matthias Klumpp)

Version 0.7.3
~~~~~~~~~~~~~~
Released: 2014-10-10

Features:
 * Implement basic support for the new icon cache layout (Matthias Klumpp)

Specification:
 * spec: Update the icon-cache layout to allow icons with larger sizes (Matthias Klumpp)

Bugfixes:
 * Treat the text/plain mimetype equal to YAML or XML (Matthias Klumpp)
 * Use camel-case for the AppStream GIR (as used everywhere else) (Matthias Klumpp)
 * qt: Include QMultiHash (Aleix Pol)
 * Fix wrong DATADIR variable (Matthias Klumpp)

Version 0.7.2
~~~~~~~~~~~~~~
Released: 2014-09-22

Notes:
 * This release drops the PackageKit plugin (and the build dependency on PK alltogether).
   This means that AppStream will no longer automagically update the Xapian index. Please
   make sure that tools or packages which modify the AppStream distro XML/YAML call
   'appstream-index refresh' when they are done. (reason for dropping the plugin is PackageKit
   removing support for plugins with its 1.0 release)

Features:
 * Remove the PackageKit plugin (Matthias Klumpp)
 * Use GNUInstallDirs (Matthias Klumpp)

Bugfixes:
 * Ensure that we do not convert NULL to a C++ string (Matthias Klumpp)
 * Fix check for generic/unknown component in XML serialization (Matthias Klumpp)
 * Fix tests on a system which doesn't have a 'categories.xml' (Matthias Klumpp)
 * Fix some compiler warnings with clang (Matthias Klumpp)

Version 0.7.1
~~~~~~~~~~~~~~
Released: 2014-09-08

Features:
 * qt: Make it possible to build AppstreamQt against Qt5 (Aleix Pol)
 * qt: Introduce a method to check if a Qt Appstream::Component is
   fully initialized (Aleix Pol)
 * qt: Make it possible to query the database for the components given
   a package name (Aleix Pol)
 * Improve generator performance by caching the short language code (Matthias Klumpp)
 * qt: Print component id instead of package name in warning messages (Matthias Klumpp)
 * Improve loading of uncompressed distro-metadata (Matthias Klumpp)
 * Allow manually defining the default locale for a data pool (Matthias Klumpp)
 * dep11: Add validator for the DEP-11 file-format (Matthias Klumpp)
 * Add basic function to convert AsComponent to XML (Matthias Klumpp)
 * dep11: Implement DEP-11 data parser based on libyaml (Matthias Klumpp)
 * Share icon-refinement and component-completion between all data providers (Matthias Klumpp)

Bugfixes:
 * qt: Respect the global install paths set by the toplevel CMake file (Matthias Klumpp)
 * docs: get rid of "childrens" (Vladimír Čunát)
 * Don't crash if no timestamp was defined (Matthias Klumpp)
 * Fix FTBFS with Clang (Matthias Klumpp)
 * docs: Update architecture images to reflect reality (Matthias Klumpp)
 * Install PK plugin into PK >= 0.9.x plugin path (Matthias Klumpp)
 * Don't crash in as_component_to_string() if no packages are set (Matthias Klumpp)
 * Don't crash when generating the database in case a component has no categories (Matthias Klumpp)

Version 0.7.0
~~~~~~~~~~~~~~
Released: 2014-07-16

Notes:
 The AppStream code has been relicensed from LGPL-3+ to LGPL-2.1+
 There have also been smaller API breaks in libappstream, see the
 list below for information about that.

Features:
 * Allow overriding of watched data dirs (Matthias Klumpp)
 * More work on the cache-builder to be more flexible (Matthias Klumpp)
 * Add DataPool helper class (Matthias Klumpp)
 * Do some major refactoring on how the cache is created (Matthias Klumpp)
 * validate: Process multiple files (Matthias Klumpp)
 * Get rid of as_strv_dup (Matthias Klumpp)
 * Implement support for the "addon" component type (Matthias Klumpp)
 * Implement support for dbus provides type (Matthias Klumpp)
 * Allow fetching data by component type (Matthias Klumpp)
 * Relicense to LGPLv2.1+ and GPLv2+ (Matthias Klumpp)
 * Drop some deprecated API (Matthias Klumpp)
 * Add some limited support for parsing legacy upstream metadata files (Matthias Klumpp)
 * Implement developer_name tag (Matthias Klumpp)
 * Allow querying the database for multiple component types with one query (Matthias Klumpp)
 * Implement 'languages' tag (Matthias Klumpp)
 * Improve code which loads urls from the database (Matthias Klumpp)
 * validator: Correctly check for compliant localization of tags (Matthias Klumpp)
 * Share database definition between libas and libas-qt (Matthias Klumpp)
 * appinstall: Handle NoDisplay as well, and treat OnlyShowIn as compulsority (Matthias Klumpp)
 * qt: Make it possible to compile only the Qt library (Matthias Klumpp)
 * Optimize database generation process to save some time (Matthias Klumpp)
 * asi: Don't use GObject class to handle the tool's internals (Matthias Klumpp)
 * asi: Improve command syntax (Matthias Klumpp)
 * asi: Further code improvements (Matthias Klumpp)
 * Expose internal options for database and data placement to asi (Matthias Klumpp)
 * Improve database refresh API (Matthias Klumpp)
 * tests: Make tests work standalone (Matthias Klumpp)
 * vapi: Move to contrib, it's not static data (Matthias Klumpp)
 * Update global categories definition (Matthias Klumpp)
 * Implement support for multiple package names per component (Matthias Klumpp)
 * qt: Implement support for screenshots (Matthias Klumpp)
 * qt: More methods to retrieve components from the database (Matthias Klumpp)
 * docs: Install gtk-doc documentation (Matthias Klumpp)
 * Use XZ compression for release tarball (Matthias Klumpp)
 * Use the same datasource-dir method for AsDataPool which was used for AsBuilder (Matthias Klumpp)
 * qt: Parse the screenshot xml and store it in some relevant datatypes (Sune Vuorela)
 * qt: Acually return the map built when converting UrlKinds to strings (Sune Vuorela)
 * qt: Parse and handle the Provides part of the appstream data (Sune Vuorela)
 * Some Qt cleanups after a review by Andreas. (Sune Vuorela)
 * qt: Create a database constructor that uses the default system path (Sune Vuorela)
 * qt: Adapt to multiple package names for a component (Sune Vuorela)

Specification:
 * spec: Use UNIX epoch instead of YYYYMMDD for timestamps (Matthias Klumpp)
 * spec: Add new "languages" tag to distro XML (Matthias Klumpp)
 * spec: Add new component type: Addon (Matthias Klumpp)
 * spec: Define a 'dbus' type as new 'provides' element (Matthias Klumpp)
 * spec: Specify a developer_name tag (Matthias Klumpp)
 * spec: Allow an update_contact tag in upstream-metadata (Matthias Klumpp)
 * spec: Allow /var/cache location for icons (Matthias Klumpp)
 * spec: Allow multiple definitions of the 'pkgname' tag (Matthias Klumpp)
 * spec: Hide multiarch install path section (Matthias Klumpp)

Documentation:
 * docs: Add quickstart page template (Matthias Klumpp)
 * docs: Export documentation by default (Matthias Klumpp)
 * docs: Restructure application description and add quickstart page (Matthias Klumpp)
 * docs: Explicitly allow the mimetypes tag in generic components (Matthias Klumpp)
 * docs: Sketch section about translation (Matthias Klumpp)
 * docs: Various fixes for the spec, add missing project_license to generic component (Matthias Klumpp)
 * docs: Add Intltool translation Automake integration hints (Matthias Klumpp)
 * docs: Sketch section about addons (Igor Gnatenko)
 * docs: Fix some quirks in the distro XML spec (Matthias Klumpp)
 * docs: Update app quickstart guide and add example screenshots (Matthias Klumpp)

Bugfixes:
 * Fix some bugs in handling of provides-items (Matthias Klumpp)
 * Fix some annotations & remove cruft (Matthias Klumpp)
 * Update tests and fix a memory leak (Matthias Klumpp)
 * validator: Improve handling of translated metadata files (Matthias Klumpp)
 * Fix issue when loading compressed metadata files (Matthias Klumpp)
 * qt: Added 'const' to the description (Floris-Andrei Stoica-Marcu)
 * Print a better result message on cache update in case of metadata errors (Matthias Klumpp)
 * Fix crash in AppInstall data provider (Matthias Klumpp)
 * Remove bogus g_free() of paths strv in ASXML provider (Matthias Klumpp)
 * Get rid of explicit include of config.h (Matthias Klumpp)
 * Fix typo in appstream-index manpage (Sune Vuorela)
 * validator: Only test if valid tags are empty (Matthias Klumpp)
 * Make creating the Xapian cache at different locations work again (Matthias Klumpp)
 * Remove leftover cruft from config.h.in (Sune Vuorela)
 * asi: Respect the no-color option (Matthias Klumpp)

Version 0.6.2
~~~~~~~~~~~~~~
Released: 2014-05-12

Features:
 * Deprecate get_homepage in favour of get_url
 * Store all urls in the database
 * Split validation into new AsValidator for future extension
 * Heavily improve metadata validator, add new as-validator binary
 * Add methods to check if component is compulsory or in a specific category
 * Add function to pretty-print description markup and use it in asi-tool
 * Implement missing support for mimetypes
 * Add manpage for appstream-validate
 * Allow fast searching for mimetype handlers

Specification:
 * spec: Use subdirectories for multiarch metadata
 * spec: Exclusively use SPDX license tags
 * spec: Update screenshot spec to reflect reality
 * docs: Fix some quirks and issues
 * docs: Rework url information as variablelist
 * spec: Rename "manual" url type to "help"

Bugfixes:
 * Ensure active metadata locale does not have an UTF-8 suffix
 * Refine icon path/url detection for applications
 * Deprecate idname and make Component header nicer to work with
 * Fix bug in category-loading and display categories in the asi-tool
 * Fix multiple potential crashes when parsing upstream metadata
 * Make sure we don't use deprecated methods internally anymore
 * tests: Run database tests on private db copy
 * asi-tool: Fix small (but annoying) warning
 * asi-tool: Adjust manpage to reflect reality
 * validator: Create better log messages

Version 0.6.1
~~~~~~~~~~~~~~
Released: 2014-04-24

Features:
 * Make AsMetadata handle (almost) all XML parsing (Matthias Klumpp)
 * Add function to parse upstream metadata in AsMetadata (Matthias Klumpp)
 * Add methods to set/get locale used for metadata parsing (Matthias Klumpp)
 * Add function to load metadata from memory (Matthias Klumpp)
 * Implement a parser mode to abstract away differences in AS metadata (Matthias Klumpp)
 * Auto-generate Vala API file, if desired (Matthias Klumpp)
 * Add functions to get a component by it's ID (Matthias Klumpp)
 * Index terms for provided items (Matthias Klumpp)
 * Allow fetching components by the items they provide (Matthias Klumpp)
 * Parse AppStream data in /var/lib/app-info/xmls (Matthias Klumpp)
 * Implement priority property (Matthias Klumpp)

Specification:
 * spec: Add priority property for components in distro-metadata (Matthias Klumpp)

Bugfixes:
 * Fix libappstream pkgconfig (Matthias Klumpp)
 * Make data-providers emit "component" signal (instead of "application") (Matthias Klumpp)
 * Make translation possible again (Matthias Klumpp)
 * Handle lib directory suffix on distributions like Fedora (Rex Dieter)
 * docs: Fix examples to use the <releases/> tag correctly (Matthias Klumpp)
 * Print error if compiled with -DVAPI, but no vapigen was found (Matthias Klumpp)
 * Improve documentation and annotations (Matthias Klumpp)
 * Improve API for provides-tests (Matthias Klumpp)
 * Implement strict parsing of the description tag in upstream metadata (Matthias Klumpp)
 * docs: Fix the section on 3rd-party screenshot services (Matthias Klumpp)

Version 0.6.0
~~~~~~~~~~~~~~
Released: 2014-04-16

Notes:
 This release breaks both the library API and the Appstream specification.
 Please adjust your tools to work with Appstream 0.6, especially take a look
 at the documentation for the new Appstream XML specification.

Features:
 * Add new AsComponent class (Matthias Klumpp)
 * Rewrote libappstream in plain C (Matthias Klumpp)
 * client: Add option for detailed output (Matthias Klumpp)
 * Use "kind" instead of "ctype" for component types (Matthias Klumpp)
 * Implement compulsory-for-desktop (Matthias Klumpp)
 * Some refactoring, additions and improvements (Matthias Klumpp)
 * Correctly handle component types according to the 0.6 spec (Matthias Klumpp)
 * Bring back thumbnail support for ss.d.n services (Matthias Klumpp)
 * client: Improve screenshot url display (Matthias Klumpp)
 * Implement support for <provides/> (Matthias Klumpp)
 * Implement support for <release/> (Matthias Klumpp)
 * Some API future-proofing (Matthias Klumpp)
 * Add helper to generate Vala VAPI file (Matthias Klumpp)

Specification:
 * docs: Initial documentation on components and lots of restructuring (Matthias Klumpp)
 * docs: Add FontData meta-info spec (Matthias Klumpp)
 * docs: Add description of input-method metainfo (Matthias Klumpp)
 * docs: Some changes on ASXML for component-support (Matthias Klumpp)
 * docs: Clarify font classifier (Matthias Klumpp)
 * spec: Don't use specialized tags, everything is a component. Kill <id/> types (Matthias Klumpp)
 * spec: All upstream meta-info goes to /usr/share/appdata now (Matthias Klumpp)
 * specs: Update Appstream example XML for latest changes (Matthias Klumpp)
 * specs: Add new <architectures/> tag to Appstream distro spec (Matthias Klumpp)
 * spec: Add "origin" property for components tag (Matthias Klumpp)
 * spec: Define icon repository (Matthias Klumpp)
 * spec: Component-type is "desktop" for apps now (Matthias Klumpp)
 * spec: Add <releases/> parent for release tags (Matthias Klumpp)
 * spec: Allow more url types (Matthias Klumpp)
 * spec: Clarify how the description tag should be translated (Matthias Klumpp)
 * spec: Hide fonts for now - the spec is not yet ready (Matthias Klumpp)
 * spec: Add component type for codecs (Matthias Klumpp)
 * specs: Update project mission statement (Matthias Klumpp)
 * spec: Use metadata_license instead of the BE version (Matthias Klumpp)
 * spec: Add note on multiarch-support (Matthias Klumpp)


Bugfixes:
 * Make parallel compilation possible (Matthias Klumpp)
 * Allow compiling with -Wall -Werror (Matthias Klumpp)
 * Prevent identifier collisions in the database (Matthias Klumpp)
 * Some fixes for the introspection build process (Matthias Klumpp)
 * Some basic fixes for the XSD schemes (Matthias Klumpp)

Version 0.5.0
~~~~~~~~~~~~~~
Released: 2014-02-23

Features:
 * Parse screenshot data and make it available via library API (Matthias Klumpp)
 * Add screenshot data to the Xapian database (Matthias Klumpp)
 * Add function to dump screenshot data as XML (Matthias Klumpp)
 * cli: Add colored output to the command-line tool (Matthias Klumpp)
 * cli: Display some screenshot information, if it is found (Matthias Klumpp)
 * cli: Allow the tool to trigger cache rebuilds (Matthias Klumpp)
 * Add new API to return available screenshot sizes (Matthias Klumpp)
 * Always compile tests (Matthias Klumpp)
 * Improve Xapian search capabilities (Matthias Klumpp)

Specification:
 * spec: Deprecate appcategory element in favour of category element (Matthias Klumpp)
 * docs: Update architecture images (Matthias Klumpp)
 * docs: Remove reference to OCS (Matthias Klumpp)
 * spec: Add caption for screenshots (Matthias Klumpp)

Bugfixes:
 * Always install appstream.pc in correct libdir (Matthias Klumpp)
 * Always rebuild the database if watchfile is missing (Matthias Klumpp)
 * Don't throw an error if we are on a system without the ASXML dir (Matthias Klumpp)
 * Fix some memory leaks (Matthias Klumpp)
 * Fix some strange vala compile issue with newer valac versions (Matthias Klumpp)

Version 0.4.0
~~~~~~~~~~~~~~
Released: 2013-10-20

Features:
 * Include /var/cache/app-info as location for AppStream XMLs (Matthias Klumpp)
 * Search for icons in the caches too (Matthias Klumpp)
 * Remove API for manually refreshing the Xapian cache (Matthias Klumpp)
 * Remove refresh action from appstream-index tool (Matthias Klumpp)
 * Implement PackageKit plugin to refresh the cache (Matthias Klumpp)
 * Implement support for compressed AppStream files (Matthias Klumpp)
 * Support all icon types in AppStream XML parser (Matthias Klumpp)
 * Parse description tags in AppStream XML (Matthias Klumpp)
 * Update database schema, breaking USC compatibility (Matthias Klumpp)
 * Only rebuild AppStream Xapian cache if data has changed (Matthias Klumpp)
 * Store app homepage and iconpath correctly in new database layout (Matthias Klumpp)
 * docs: Document important parts of AppStream (Matthias Klumpp)
 * docs: Document appcategories tag (Matthias Klumpp)
 * docs: Add example XML for AppStream files (Matthias Klumpp)
 * docs: Briefly describe the screenshot service (Matthias Klumpp)
 * docs: Include preexisting architecture graphics and fix some quirks (Matthias Klumpp)
 * docs: Specify how icons will be handled and which ones take priority (Matthias Klumpp)

Specification:
 * spec: Add project_group element (Matthias Klumpp)
 * spec: The "remote" type is much more precise than "url" (Matthias Klumpp)
 * spec: Add documentation tag to the AppStream spec (Matthias Klumpp)
 * spec: Enforce at least one id, pkgname, name, summary and icon tag (Matthias Klumpp)
 * spec: Define and describe project_license tag (Matthias Klumpp)
 * spec: Add screenshots to the AppStream XML spec (Matthias Klumpp)
 * spec: Add new compulsory_for_desktop tag (Matthias Klumpp)

Bugfixes:
 * Ensure that we have GI set up, before compiling libappstream (Matthias Klumpp)
 * Set has_type_id=false for Xapian binding (Matthias Klumpp)
 * Ensure we do always target the right GLib version (Matthias Klumpp)
 * Fix crash in AppStream PackageKit plugin (Matthias Klumpp)

Version 0.3.1
~~~~~~~~~~~~~~
Released: 2013-06-26

Bugfixes:
 * Use a GPtrArray for search results
 * Adjust unit-tests and client tool

Version 0.3.0
~~~~~~~~~~~~~~
Released: 2013-06-10

Features:
 * Add command-line method to search for apps (Matthias Klumpp)
 * Restructure code to clearly separate client and daemon (Matthias Klumpp)
 * Make DBus API an internal implementation detail (Matthias Klumpp)
 * Rewritten and more advanced XDG menu file parser (Matthias Klumpp)
 * Implemented new Category handling (Matthias Klumpp)
 * Many improvements in documentation (Matthias Klumpp)
 * Implement API to access any AppStream-compliant screenshot service (Matthias Klumpp)

Bugfixes:
 * Fix creation of missing database (Matthias Klumpp)
 * Make UAI more failsafe (Matthias Klumpp)
 * Improve error handling and command-line output (Matthias Klumpp)
 * Greatly improve search results (Matthias Klumpp)
 * Fix translation template (Matthias Klumpp)

Version 0.2.0
~~~~~~~~~~~~~~
Released: 2013-03-15

Features:
 * Add distro-agnostic category definition (Matthias Klumpp)
 * Make DBus API more failsafe (Matthias Klumpp)
 * Place Xapian cache in different directory (Matthias Klumpp)
 * Add release script and release instructions (Matthias Klumpp)

Bugfixes:
 * Kill some compiler warnings (Matthias Klumpp)
 * Print error message if xmlto was not found (Matthias Klumpp)
 * Make --nowait option finally work again (Matthias Klumpp)
 * docs: Build C API documentation (Matthias Klumpp)
 * Print better message if category dir is null (Matthias Klumpp)

Version 0.1.0
~~~~~~~~~~~~~~
Released: 2012-10-02

Notes:
  * Initial release
