TagLib 2.2.1 (Mar 7, 2026)
==========================

 * Support edition, chapter and attachment UIDs in Matroska simple tags.
 * Avoid duplicates in Matroska complex property keys.

TagLib 2.2 (Feb 18, 2026)
=========================

 * Support for Matroska (MKA, MKV) and WebM files.
 * Support for NI STEM in MP4 files.
 * New method isDsd() in WavPack Properties.
 * Stricter verification of ID3v2 frames.
 * Fix setting the last header flag in Ogg FLAC files.
 * Fix reading of the last page in Ogg streams.
 * Avoid corrupting invalid Ogg FLAC files without Vorbis comment.
 * Windows: Support MP4 files with 64-bit atoms.
 * Fix use of property keys with non-ASCII characters in C bindings.
 * Fix building with Android NDK 29.

TagLib 2.1.1 (June 30, 2025)
============================

 * Map ID3v2.3 IPLS frames to both ID3v2.4 TIPL and TMCL to have a consistent
   behavior when using MusicBrainz tags with the property map interface.
 * Fix missing include for `wchar_t` when using C bindings with MinGW.

TagLib 2.1 (May 31, 2025)
=========================

 * Support for Shorten (SHN) files.
 * Compile time configuration of supported formats: WITH_APE, WITH_ASF, ...
 * Compile time configuration of data and temporary directories for unit tests:
   TESTS_DIR and TESTS_TMPDIR.
 * C bindings: Added taglib_file_new_wchar() and taglib_file_new_type_wchar().
 * Preserve unicode encoding when downgrading to ID3v2.3.
 * Do not store FLAC metadata blocks which are too large.
 * Fix segfaults with String and ByteVector nullptr arguments.

TagLib 2.0.2 (Aug 24, 2024)
===========================

 * Fix parsing of ID3v2.2 frames.
 * Tolerate MP4 files with unknown atom types as generated by Android tools.
 * Support setting properties with arbitrary names in MP4 tags.
 * Windows: Fix "-p" option in tagwriter example.
 * Support building with older utfcpp versions.

TagLib 2.0.1 (Apr 9, 2024)
==========================

 * Fix aborting when _GLIBCXX_ASSERTIONS are enabled.
 * Fall back to utf8cpp header detection in the case that its CMake
   configuration is removed.
 * Improve compatibility with the SWIG interface compiler.
 * Build system fixes for testing without bindings, Emscripten and Illumos.
 * C bindings: Fix setting UTF-8 encoded property values.
 * Windows: Fix opening long paths.

TagLib 2.0 (Jan 24, 2024)
=========================

 * New major version, binary incompatible, but mostly source-compatible
   with the latest 1.x release if no deprecated features are used.
   Simple applications should build without changes, more complex
   applications (e.g. extending classes of TagLib) will have to be adapted.
 * Requires a C++17 compiler and uses features of C++17.
 * Major code cleanup, fixed warnings issued by compilers and static analyzers.
 * Made methods virtual which should have been virtual but could not be
   changed to keep binary compatibility, remove related workarounds.
 * Removed deprecated functions:
   - APE::Item::Item(const String &, const String &)
   - APE::Item::toStringList(): Use values()
   - APE::Item::value(): Use binaryData()
   - ASF::Properties::setLength()
   - ByteVector::checksum()
   - ByteVector::isNull(): Use isEmpty()
   - ByteVector::null
   - FLAC::File::setID3v2FrameFactory()
   - FLAC::File::streamInfoData()
   - FLAC::File::streamLength()
   - FLAC::Properties::Properties(File *, ReadStyle)
   - FLAC::Properties::sampleWidth(): Use bitsPerSample()
   - File::isReadable(): Use system functions
   - File::isWritable(): Use system functions
   - FileName::str()
   - FileRef::create(): Use constructor
   - MP4::Tag::itemListMap(): Use itemMap()
   - MPC::File::remove(): Use strip()
   - MPC::Properties::Properties(const ByteVector &, long, ReadStyle)
   - MPEG::File::save(int, ...): Use overload
   - MPEG::File::setID3v2FrameFactory(): Use constructor
   - MPEG::ID3v2::Frame::Header::Header(const ByteVector &, bool)
   - MPEG::ID3v2::Frame::Header::frameAlterPreservation(): Use
     fileAlterPreservation()
   - MPEG::ID3v2::Frame::Header::setData(const ByteVector &, bool)
   - MPEG::ID3v2::Frame::Header::size(unsigned int): Use size()
   - MPEG::ID3v2::Frame::Header::unsycronisation(): use unsynchronisation()
   - MPEG::ID3v2::Frame::checkEncoding(const StringList &, String::Type): Use
     checkTextEncoding(const StringList &, String::Type)
   - MPEG::ID3v2::Frame::headerSize(): Use Header::size()
   - MPEG::ID3v2::Frame::headerSize(unsigned int): Use
     Header::size(unsigned int)
   - MPEG::ID3v2::FrameFactory::createFrame(const ByteVector &, bool)
   - MPEG::ID3v2::FrameFactory::createFrame(const ByteVector &, unsigned int):
     Use createFrame(const ByteVector &, const Header *)
   - MPEG::ID3v2::RelativeVolumeFrame::channelType()
   - MPEG::ID3v2::RelativeVolumeFrame::peakVolume(): Use peakVolume(ChannelType)
   - MPEG::ID3v2::RelativeVolumeFrame::setChannelType()
   - MPEG::ID3v2::RelativeVolumeFrame::setPeakVolume(const PeakVolume &): Use
     setPeakVolume(const PeakVolume &, ChannelType)
   - MPEG::ID3v2::RelativeVolumeFrame::setVolumeAdjustment(float): Use
     setVolumeAdjustment(float, ChannelType)
   - MPEG::ID3v2::RelativeVolumeFrame::setVolumeAdjustmentIndex(short): Use
     setVolumeAdjustmentIndex(short, ChannelType)
   - MPEG::ID3v2::RelativeVolumeFrame::volumeAdjustment(): Use
     volumeAdjustment(ChannelType)
   - MPEG::ID3v2::RelativeVolumeFrame::volumeAdjustmentIndex(): Use
     volumeAdjustmentIndex(ChannelType)
   - MPEG::ID3v2::Tag::footer()
   - MPEG::ID3v2::Tag::render(int): Use render(Version)
   - MPEG::XingHeader::xingHeaderOffset()
   - Ogg::Page::getCopyWithNewPageSequenceNumber()
   - Ogg::XiphComment::removeField(): Use removeFields()
   - PropertyMap::unsupportedData(): Returns now const reference, use
     addUnsupportedData() to add keys
   - RIFF::AIFF::Properties::Properties(const ByteVector &, ReadStyle)
   - RIFF::AIFF::Properties::Properties(const ByteVector &, int, ReadStyle)
   - RIFF::AIFF::Properties::sampleWidth(): Use bitsPerSample()
   - RIFF::WAV::File::save(TagTypes, bool, int): Use
     save(TagTypes, StripTags, Version)
   - RIFF::WAV::File::tag(): Returns now a TagUnion, use ID3v2Tag() to get an
     ID3v2::Tag
   - String::isNull(): Use isEmpty()
   - String::null
   - TrueAudio::File::setID3v2FrameFactory(): Use constructor
   - WavPack::Properties::Properties(const ByteVector &, long, ReadStyle)
* Made methods const: Frame::Header::size(), Frame::headerSize(),
  MP4::Atom::findall(), MP4::Atoms::find(), MP4::Atoms::path().
* Made classes non-virtual: APE::Footer, APE::Item, ASF::Attribute,
  ASF::Picture, MP4::CoverArt, MP4::Item, ID3v2::ExtendedHeader, ID3v2::Footer,
  ID3v2::Header, MPEG::Header, MPEG::XingHeader, Ogg::Page, Ogg::PageHeader.
* Removed type definitions in TagLib namespace: wchar, uchar, ushort, uint,
  ulong, ulonglong, wstring: Use the standard types.
* Removed include file taglib_config.h and its defines TAGLIB_WITH_ASF,
  TAGLIB_WITH_MP4: They were always 1 since version 1.8.
* Behavioral changes:
   - The basic tag methods (e.g. genre()) separate multiple values with " / "
     instead of " ".
   - The stream operator for String uses UTF-8 instead of ISO-8859-1 encoding.
   - MP4 property ORIGINALDATE is mapped to "----:com.apple.iTunes:ORIGINALDATE"
     instead of "----:com.apple.iTunes:originaldate".
   - MP4 property ENCODEDBY is mapped to "©enc" instead of "©too", which is now
     mapped to ENCODING.
 * Unified interface for complex properties like pictures.
 * Simplified the unified properties interface by providing its methods on
   FileRef.
 * C bindings: Support for properties (taglib_property_...) and complex
   properties like cover art (taglib_complex_property_...), memory I/O streams.
 * Support for Direct Stream Digital (DSD) stream files (DSF) and interchange
   file format (DSDIFF, DFF), ADTS (AAC) files.
 * The runtime version can be queried.
 * Additional utility functions ByteVector::fromUShort(),
   ByteVector::fromULongLong(), ByteVector::toULongLong(),
   ByteVector::toULongLong(), List::sort().
 * Fixed List::setAutoDelete() affecting implicitly shared copies.
 * Build system: Direct support for CMake, find_package(TagLib) exports target
   TagLib::tag.
 * Build system: Fixed PackageConfig to support both relative and absolute paths.
 * Build system: utf8cpp is no longer included, it can be provided via a system
   package or a Git submodule.
 * ASF: Support additional properties ARTISTWEBPAGE, ENCODING, ENCODINGTIME,
   FILEWEBPAGE, INITIALKEY, ORIGINALALBUM, ORIGINALARTIST, ORIGINALFILENAME,
   ORIGINALLYRICIST.
 * ID3v2: Fixed extensibility of FrameFactory, use it also for WAV and AIFF
   files.
 * MP4: Support additional properties OWNER, RELEASEDATE.
 * MP4: Introduced ItemFactory allowing clients to support new atom types.
 * MP4: Detect duration from mvhd atom if not present in mdhd atom.
 * MP4: Fixed type of hdvd atom to be  integer instead of boolean.
 * MP4: Tolerate trailing garbage in M4A files.
 * MPC: Fixed content check in presence of an ID3v2 tag.
 * MPEG: Do not scan full file for ID3v2 tag when ReadStyle Fast is used.
 * RIFF: Support properties ALBUM, ARRANGER, ARTIST, ARTISTWEBPAGE, BPM,
   COMMENT, COMPOSER, COPYRIGHT, DATE, DISCSUBTITLE, ENCODEDBY, ENCODING,
   ENCODINGTIME, GENRE, ISRC, LABEL, LANGUAGE, LYRICIST, MEDIA, PERFORMER,
   RELEASECOUNTRY, REMIXER, TITLE, TRACKNUMBER.
 * WAV: Fixed crash with files having the "id3 " chunk as the only valid chunk.
 * Windows: Fixed support for files larger than 2GB.

TagLib 1.13.1 (Jul 1, 2023)
===========================

 * Fixed parsing of TXXX frames without description.
 * Detect MP4 atoms with invalid length or type.
 * Do not miss ID3v2 frames when an extended header is present.
 * Use property "DISCSUBTITLE" for ID3v2 "TSST" frame.
 * Build system improvements: Use absolute path for macOS dylib install name,
   support --define-prefix when using pkg-config, fixed minimum required
   CppUnit version.
 * Code clean up using clang-tidy.

TagLib 1.13 (Oct 27, 2022)
==========================

 * Added interface StreamTypeResolver to support streams which cannot be
   fopen()'ed, e.g. network files.
 * Added MP4::File::strip() to remove meta atom from MP4 file.
 * Added Map::value() to look up without creating entry.
 * Use property "WORK" instead of "CONTENTGROUP" for ID3v2 "TIT1" frame,
   use property "WORK" for ASF "WM/ContentGroupDescription",
   use property "COMPILATION" for ID3v2 "TCMP" frame.
 * Build system improvements: option WITH_ZLIB, BUILD_TESTING instead of
   BUILD_TESTS, GNUInstallDirs, FeatureSummary, tests with BUILD_SHARED_LIBS,
   cross compilation with Buildroot, systems without HAVE_GCC_ATOMIC, Clang.
 * Fixed heap-buffer-overflows when handling ASF, APE, FLAC, ID3v2, MP4, MPC
   tags.
 * Fixed detection of invalid file by extension when correct type can be
   detected by contents.
 * Fixed unnecessary creation of map entries in APE and FLAC tags if looked up
   tag does not exist.
 * Fixed parsing of MP4 non-full meta atoms.
 * Fixed potential ID3v1 false positive in the presence of an APE tag.
 * Fixed ID3v2 version handling for frames embedded in CHAP or CTOC frames.
 * Fixed parsing of multiple strings with a single BOM in ID3v2.4.0.
 * Fixed several smaller issues reported by clang-tidy.

TagLib 1.12 (Feb 16, 2021)
==========================

 * Added support for WinRT.
 * Added support for Linux on POWER.
 * Added support for classical music tags of iTunes 12.5.
 * Added support for file descriptor to FileStream.
 * Added support for 'cmID', 'purl', 'egid' MP4 atoms.
 * Added support for 'GRP1' ID3v2 frame.
 * Added support for extensible WAV subformat.
 * Enabled FileRef to detect file types based on the stream content.
 * Dropped support for Windows 9x and NT 4.0 or older.
 * Check for mandatory header objects in ASF files.
 * More tolerant handling of RIFF padding, WAV files, broken MPEG streams.
 * Improved calculation of Ogg, Opus, Speex, WAV, MP4 bitrates.
 * Improved Windows compatibility by storing FLAC picture after comments.
 * Fixed numerical genres in ID3v2.3.0 'TCON' frames.
 * Fixed consistency of API removing MP4 items when empty values are set.
 * Fixed consistency of API preferring COMM frames with no description.
 * Fixed OOB read on invalid Ogg FLAC files (CVE-2018-11439).
 * Fixed handling of empty MPEG files.
 * Fixed parsing MP4 mdhd timescale.
 * Fixed reading MP4 atoms with zero length.
 * Fixed reading FLAC files with zero-sized seektables.
 * Fixed handling of lowercase field names in Vorbis Comments.
 * Fixed handling of 'rate' atoms in MP4 files.
 * Fixed handling of invalid UTF-8 sequences.
 * Fixed possible file corruptions when saving Ogg files.
 * Fixed handling of non-audio blocks, sampling rates, DSD audio in WavPack files.
 * TableOfContentsFrame::toString() improved.
 * UserTextIdentificationFrame::toString() improved.
 * Marked FileRef::create() deprecated.
 * Marked MPEG::File::save() with boolean parameters deprecated,
   provide overloads with enum parameters.
 * Several smaller bug fixes and performance improvements.

TagLib 1.11.1 (Oct 24, 2016)
============================

 * Fixed binary incompatible change in TagLib::String.
 * Fixed reading ID3v2 CTOC frames with a lot of entries.
 * Fixed seeking ByteVectorStream from the end.

TagLib 1.11 (Apr 29, 2016)
==========================

1.11:

 * Fixed reading APE items with long keys.
 * Fixed reading ID3v2 SYLT frames when description is empty.

1.11 BETA 2:

 * Better handling of PCM WAV files with a 'fact' chunk.
 * Better handling of corrupted APE tags.
 * Efficient decoding of unsynchronized ID3v2 frames.
 * Fixed text encoding when saving certain frames in ID3v2.3 tags.
 * Fixed updating the size of RIFF files when removing chunks.
 * Several smaller bug fixes and performance improvements.

1.11 BETA:

 * New API for creating FileRef from IOStream.
 * Added support for ID3v2 PCST and WFED frames.
 * Added support for pictures in XiphComment.
 * Added String::clear().
 * Added FLAC::File::strip() for removing non-standard tags.
 * Added alternative functions to XiphComment::removeField().
 * Added BUILD_BINDINGS build option.
 * Added ENABLE_CCACHE build option.
 * Replaced ENABLE_STATIC build option with BUILD_SHARED_LIBS.
 * Better handling of duplicate ID3v2 tags in all kinds of files.
 * Better handling of duplicate tag chunks in WAV files.
 * Better handling of duplicate tag chunks in AIFF files.
 * Better handling of duplicate Vorbis comment blocks in FLAC files.
 * Better handling of broken MPEG audio frames.
 * Fixed crash when calling File::properties() after strip().
 * Fixed crash when parsing certain MPEG files.
 * Fixed crash when saving Ogg files.
 * Fixed possible file corruptions when saving ASF files.
 * Fixed possible file corruptions when saving FLAC files.
 * Fixed possible file corruptions when saving MP4 files.
 * Fixed possible file corruptions when saving MPEG files.
 * Fixed possible file corruptions when saving APE files.
 * Fixed possible file corruptions when saving Musepack files.
 * Fixed possible file corruptions when saving WavPack files.
 * Fixed updating the comment field of Vorbis comments.
 * Fixed reading date and time in ID3v2.3 tags.
 * Marked ByteVector::null and ByteVector::isNull() deprecated.
 * Marked String::null and String::isNull() deprecated.
 * Marked XiphComment::removeField() deprecated.
 * Marked Ogg::Page::getCopyWithNewPageSequenceNumber() deprecated. It returns null.
 * Marked custom integer types deprecated.
 * Many smaller bug fixes and performance improvements.

TagLib 1.10 (Nov 11, 2015)
==========================

1.10:

 * Added new options to the tagwriter example.
 * Fixed self-assignment operator in some types.
 * Fixed extraction of MP4 tag keys with an empty list.

1.10 BETA:

 * New API for the audio length in milliseconds.
 * Added support for ID3v2 ETCO and SYLT frames.
 * Added support for album artist in PropertyMap API of MP4 files.
 * Added support for embedded frames in ID3v2 CHAP and CTOC frames.
 * Added support for AIFF-C files.
 * Better handling of duplicate ID3v2 tags in MPEG files.
 * Allowed generating taglib.pc on Windows.
 * Added ZLIB_SOURCE build option.
 * Fixed backwards-incompatible change in TagLib::String when constructing UTF16 strings.
 * Fixed crash when parsing certain FLAC files.
 * Fixed crash when encoding empty strings.
 * Fixed saving of certain XM files on OS X.
 * Changed Xiph and APE generic getters to return space-concatenated values.
 * Fixed possible file corruptions when removing tags from WAV files.
 * Added support for MP4 files with 64-bit atoms in certain 64-bit environments.
 * Prevented ID3v2 padding from being too large.
 * Fixed crash when parsing corrupted APE files.
 * Fixed crash when parsing corrupted WAV files.
 * Fixed crash when parsing corrupted Ogg FLAC files.
 * Fixed crash when parsing corrupted MPEG files.
 * Fixed saving empty tags in WAV files.
 * Fixed crash when parsing corrupted Musepack files.
 * Fixed possible memory leaks when parsing AIFF and WAV files.
 * Fixed crash when parsing corrupted MP4 files.
 * Stopped writing empty ID3v2 frames.
 * Fixed possible file corruptions when saving WMA files.
 * Added TagLib::MP4::Tag::isEmpty().
 * Added accessors to manipulate MP4 tags.
 * Fixed crash when parsing corrupted WavPack files.
 * Fixed seeking MPEG frames.
 * Fixed reading FLAC files with zero-sized padding blocks.
 * Added support for reading the encoder information of WMA files.
 * Added support for reading the codec of WAV files.
 * Added support for multi channel WavPack files.
 * Added support for reading the nominal bitrate of Ogg Speex files.
 * Added support for VBR headers in MPEG files.
 * Marked FLAC::File::streamInfoData() deprecated. It returns an empty ByteVector.
 * Marked FLAC::File::streamLength() deprecated. It returns zero.
 * Fixed possible file corruptions when adding an ID3v1 tag to FLAC files.
 * Many smaller bug fixes and performance improvements.

TagLib 1.9.1 (Oct 8, 2013)
==========================

 * Fixed binary incompatible change in TagLib::Map and TagLib::List.
 * Fixed constructing String from ByteVector.
 * Fixed compilation on MSVC with the /Zc:wchar_t- option.
 * Fixed detecting of RIFF files with invalid chunk sizes.
 * Added TagLib::MP4::Properties::codec().

TagLib 1.9 (Oct 6, 2013)
========================

 * Added support for the Ogg Opus file format.
 * Added support for INFO tags in WAV files.
 * Changed FileStream to use Windows file API.
 * Included taglib-config.cmd script for Windows.
 * New ID3v1::Tag methods for working directly with genre numbers.
 * New MPEG::File methods for checking which tags are saved in the file.
 * Added support for the PropertyMap API to ASF and MP4 files.
 * Added MusicBrainz identifiers to the PropertyMap API.
 * Allowed reading of MP4 cover art without an explicitly specified format.
 * Better parsing of corrupted FLAC files.
 * Fixed saving of PropertyMap comments without description into ID3v2 tags.
 * Fixed crash when parsing certain XM files.
 * Fixed compilation of unit test with clang.
 * Better handling of files that can't be open or have read-only permissions.
 * Improved atomic reference counting.
 * New hookable API for debug messages.
 * More complete Windows install instructions.
 * Many smaller bug fixes and performance improvements.

TagLib 1.8 (Sep 6, 2012)
========================

1.8:

 * Added support for OWNE ID3 frames.
 * Changed key validation in the new PropertyMap API.
 * ID3v1::Tag::setStringHandler will no longer delete the previous handler,
   the caller is responsible for this.
 * File objects will also no longer delete the passed IOStream objects. It
   should be done in the caller code after the File object is no longer
   used.
 * Added ID3v2::Tag::setLatin1StringHandler for custom handling of
   latin1-encoded text in ID3v2 frames.
 * Fixed validation of ID3v2 frame IDs (IDs with '0' were ignored).

1.8 BETA:

 * New API for accessing tags by name.
 * New abstract I/O stream layer to allow custom I/O handlers.
 * Support for writing ID3v2.3 tags.
 * Support for various module file formats (MOD, S3M, IT, XM).
 * Support for MP4 and ASF is now enabled by default.
 * Started using atomic int operations for reference counting.
 * Added methods for checking if WMA and MP4 files are DRM-protected.
 * Added taglib_free to the C bindings.
 * New method to allow removing pictures from FLAC files.
 * Support for reading audio properties from ALAC and Musepack SV8 files.
 * Added replay-gain information to Musepack audio properties.
 * Support for APEv2 binary tags.
 * Many AudioProperties subclasses now provide information about the total number of samples.
 * Various small bug fixes.

TagLib 1.7.2 (Apr 20, 2012)
===========================

 * Fixed division by zero while parsing corrupted MP4 files (CVE-2012-2396).
 * Fixed compilation on Haiku.

TagLib 1.7.1 (Mar 17, 2012)
===========================

 * Improved parsing of corrupted WMA, RIFF and OGG files.
 * Fixed a memory leak in the WMA parser.
 * Fixed a memory leak in the FLAC parser.
 * Fixed a possible division by zero in the APE parser.
 * Added detection of TTA2 files.
 * Fixed saving of multiple identically named tags to Vorbis Comments.

TagLib 1.7 (Mar 11, 2011)
=========================

1.7:

 * Fixed memory leaks in the FLAC file format parser.
 * Fixed bitrate calculation for WAV files.

1.7 RC1:

 * Support for reading/writing tags from Monkey's Audio files. (BUG:210404)
 * Support for reading/writing embedded pictures from WMA files.
 * Support for reading/writing embedded pictures from FLAC files (BUG:218696).
 * Implemented APE::Tag::isEmpty() to check for all APE tags, not just the
   basic ones.
 * Added reading of WAV audio length. (BUG:116033)
 * Exposed FLAC MD5 signature of the uncompressed audio stream via
   FLAC::Properties::signature(). (BUG:160172)
 * Added function ByteVector::toHex() for hex-encoding of byte vectors.
 * WavPack reader now tries to get the audio length by finding the final
   block, if the header doesn't have the information. (BUG:258016)
 * Fixed a memory leak in the ID3v2.2 PIC frame parser. (BUG:257007)
 * Fixed writing of RIFF files with even chunk sizes. (BUG:243954)
 * Fixed compilation on MSVC 2010.
 * Removed support for building using autoconf/automake.
 * API docs can be now built using "make docs".

TagLib 1.6.3 (Apr 17, 2010)
===========================

 * Fixed definitions of the TAGLIB_WITH_MP4 and TAGLIB_WITH_ASF macros.
 * Fixed upgrading of ID3v2.3 genre frame with ID3v1 code 0 (Blues).
 * New method `int String::toInt(bool *ok)` which can return whether the
   conversion to a number was successful.
 * Fixed parsing of incorrectly written lengths in ID3v2 (affects mainly
   compressed frames). (BUG:231075)

TagLib 1.6.2 (Apr 9, 2010)
==========================

 * Read Vorbis Comments from the first FLAC metadata block, if there are
   multiple ones. (BUG:211089)
 * Fixed a memory leak in FileRef's OGA format detection.
 * Fixed compilation with the Sun Studio compiler. (BUG:215225)
 * Handle WM/TrackNumber attributes with DWORD content in WMA files.
   (BUG:218526)
 * More strict check if something is a valid MP4 file. (BUG:216819)
 * Correctly save MP4 int-pair atoms with flags set to 0.
 * Fixed compilation of the test runner on Windows.
 * Store ASF attributes larger than 64k in the metadata library object.
 * Ignore trailing non-data atoms when parsing MP4 covr atoms.
 * Don't upgrade ID3v2.2 frame TDA to TDRC. (BUG:228968)

TagLib 1.6.1 (Oct 31, 2009)
===========================

 * Better detection of the audio codec of .oga files in FileRef.
 * Fixed saving of Vorbis comments to Ogg FLAC files. TagLib tried to
   include the Vorbis framing bit, which is only correct for Ogg Vorbis.
 * Public symbols now have explicitly set visibility to "default" on GCC.
 * Added missing exports for static ID3v1 functions.
 * Fixed a typo in taglib_c.pc
 * Fixed a failing test on ppc64.
 * Support for binary 'covr' atom in MP4 files. TagLib 1.6 treated them
   as text atoms, which corrupted them in some cases.
 * Fixed ID3v1-style genre to string conversion in MP4 files.

TagLib 1.6 (Sep 13, 2009)
=========================

1.6:

 * New CMake option to build a static version - ENABLE_STATIC.
 * Added support for disabling dllimport/dllexport on Windows using the
   TAGLIB_STATIC macro.
 * Support for parsing the obsolete 'gnre' MP4 atom.
 * New cpp macros TAGLIB_WITH_MP4 and TAGLIB_WITH_ASF to determine if
   TagLib was built with MP4/ASF support.

1.6 RC1:

 * Split Ogg packets larger than 64k into multiple pages. (BUG:171957)
 * TagLib can now use FLAC padding block. (BUG:107659)
 * ID3v2.2 frames are now not incorrectly saved. (BUG:176373)
 * Support for ID3v2.2 PIC frames. (BUG:167786)
 * Fixed a bug in ByteVectorList::split().
 * XiphComment::year() now falls back to YEAR if DATE doesn't exist
   and XiphComment::year() falls back to TRACKNUM if TRACKNUMBER doesn't
   exist. (BUG:144396)
 * Improved ID3v2.3 genre parsing. (BUG:188578)
 * Better checking of corrupted ID3v2 APIC data. (BUG:168382)
 * Bitrate calculating using the Xing header now uses floating point
   numbers. (BUG:172556)
 * New TagLib::String method rfind().
 * Added support for MP4 file format with iTunes-style metadata [optional].
 * Added support for ASF (WMA) file format [optional].
 * Fixed crash when saving a Locator APEv2 tag. (BUG:169810)
 * Fixed a possible crash in the non-const version of String::operator[]
   and in String::operator+=. (BUG:169389)
 * Added support for PRIV ID3v2 frames.
 * Empty ID3v2 genres are no longer treated as numeric ID3v1 genres.
 * Added support for the POPM (rating/play count) ID3v2 frame.
 * Generic RIFF file format support:
   * Support for AIFF files with ID3v2 tags.
   * Support for WAV files with ID3v2 tags.
 * Fixed crash on handling unsupported ID3v2 frames, e.g. on encrypted
   frames. (BUG:161721)
 * Fixed overflow while calculating bitrate of FLAC files with a very
   high bitrate.
