# ExifTool Version History

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Note: The most recent production release is Version 12.70. (Other versions are considered development releases, and are not uploaded to MetaCPAN.)

Nov. 19, 2023 - Version 12.70 (production release)

- This marks the 20th anniversary of the initial ExifTool release!
- Added ability to read/delete C2PA CAI JUMBF metadata from TIFF-based images (eg. DNG), QuickTime-based files (eg. MP4) and WebP images, and read JUMBF from other RIFF-based files (eg. WAV, AVI), GIF images and ID3v2 metadata
- Added read/write support for JPH images
- Added ability to read Leica Q3 maker notes
- Added ability to recognize and write FujiFilm M-RAW RAF images (multiple raw images in a single file) and the ability to read preview-less RAF images
- Added support for reading a number of obscure Microsoft EXIF tags
- Added a few new Sony lenses and support for the ILCE-9M3 (thanks Jos Roost)
- Added a couple of new Panasonic Leica lenses
- Added a couple of new Canon RF lenses (thanks Norbert Wasser)
- Added a number of new CPUType values for ELF executables
- Added some new Olympus CameraType values
- Decode a few more ID3v2.2 tags (github #142)
- Decode a few new Canon G5X Mark II tags (thanks Martin B.)
- Decode WB_RGGBLevels for a few more Nikon cameras
- Extract information from FujiFilm M-RAW header
- Improved decoding of a few Nikon Z tags (thanks Warren Hatch)
- Marked misspelt XMP-drone-dji:GPSLongtitude tag to Avoid when writing
- Changed RIFF MaxDataRate conversion to use SI prefixes by default
- Fixed decoding of unknown ColorBalance information for some Nikon models
- Fixed an incorrect Nikon Z LensID
- API Changes:
  - Added ByteUnit option

Oct. 26, 2023 - Version 12.69

- Added support for DNG version 1.7.0.0
- Added a new XMP-GCamera tag
- Added a number of new Nikon Z lenses (thanks Warren Hatch and Stefan)
- Added a number of new XMP-crs tags
- Extract XML metadata from some Hasselblad images
- Tweaked -fast2 option to read metadata from inside mdat atom of HEIC images
- Patched FFF reader to be more tolerant of the mess made by incompetent Hasselblad programmers (wrong IFD count for some values)
- Patched WebP reader to be more tolerant of the mess made by incompetent Google programmers (EXIF with wrong header and XMP with wrong ID)
- Fixed writing of MakerNotes as a block to CR3 images (now properly stored in the CMT3 chunk instead of the ExifIFD) and added ability to delete them from the ExifIFD of CR3 images
- Fixed problem which could cause runtime error when copying MakerNotes from a file that contains multiple maker note blocks
- Fixed problem which could cause "use of uninitialized variable" warnings when reading images from some Nikon cameras
- Fixed List type for new XMP-photomech:CreatorIdentity tag

Oct. 16, 2023 - Version 12.68

- Added preliminary read support for XISF images
- Added the ability to delete CAI JUMBF metadata from PNG images
- Added support for writing Canon burst-roll CR3 images
- Added a new Nikon Z9 SubjectDetection value, and improved Zf support (thanks Warren Hatch)
- Added a couple of new PentaxModelID values
- Added a few couple of new tag values for the Pentax K-3 Mark III Monochrome (github #226)
- Added a new XMP-photomech tag
- Added a new QuickTime ItemList tag
- Added a new Nikon LensID
- Added a new Canon LensType
- Support decimal values for FujiFilm ShadowTone and HighlightTone tags
- Decode some new Sony tags (thanks Jos Roost)
- Decode ShutterCount for Canon EOS R6 (thanks Martin B.)
- Decode QuickTime VideoFullRangeFlag
- Decode JPGCompression for the Nikon D3S
- Enhanced -geotag feature to allow writing QuickTime:GPSCoordinates
- Renamed Panasonic HDRShot tag to MergedImages (forum 15298)
- Fixed problem where some NEF files were misidentified as NRW

Sept. 19, 2023 - Version 12.67

- Added a new Pentax LensType (thanks dmont)
- Added a new FujiFilm FilmMode and FaceElementTypes values (thanks Greybeard)
- Fixed error writing new DataMining tag where URI prefix wasn't being properly added to the value

Sept. 19, 2023 - Version 12.66

- Added a few new Canon LensType values (thanks Norbert Wasser)
- Added conversions for a few Apple:ImageCaptureType values
- Added new XMP tag for PLUS version 2.0.1
- Added a new CanonModelID (thanks Laurent Clevy)
- Decode another tag from Canon 1DS raw images (Hubert Figuière, github #219)
- Decode JPGCompression for newer Nikon models (thanks Warren Hatch)
- Fixed bug introduced in 12.65 where duplicate tags were not returned even when the groups where specified explicitly
- API Changes:
  - Added WindowsWideFile option

Aug. 10, 2023 - Version 12.65

- Added a new QuickTime Keys tag
- Added a new CanonModelID (thanks Laurent Clevy)
- Added a new Canon LensType (thanks Norbert Wasser)
- Added number in brackets to converted Samsung MCCData value
- Decode a number of new Sony tags (thanks Jos Roost)
- Decode a few new FlashPix tags (github #217)
- Improved decoding of Nikon Z9 firmware 4.0 tags (thanks Warren Hatch)
- Improved parsing of PDF:Keywords to support semicolon-separated lists
- Enhanced -api option to show list of available options if no argument is provided
- Lowered priority of IFD1 tags in ARW images so IFD0/SubIFD take precedence
- Changed QuickTime tag names for atID (AlbumTitleID to ArtistID) and plID (PlayListID to AlbumID) (github issue #216), and added cmID (ComposerID)
- Changed Apple:MediaGroupUUID tag name back to ContentIdentifier
- Patched the -d option to handle the %s format code internally when writing (avoids problems due to inconsistent behaviour of this format code in the strptime function on different systems)
- Patched patch of version 12.32 to restore ability to read from named pipes
- Fixed bug which could cause a hang when processing a corrupt BigTIFF image
- Fixed document number for auxiliary image metadata in HEIC files
- Fixed misspelt Apple tag name (thanks Neal Krawetz)
- API Changes:
  - Added AvailableOptions method

June 28, 2023 - Version 12.64

- Added a new Sony LensType (thanks Jos Roost)
- Added config_files/guano.config to the distribution (thanks StarGeek)
- Added support for Garmin Low-resolution Video (GLV) files
- Added JUMBF to the list of deletable groups
- Added (untested) read support for spherical video tags in Matroska videos
- Decode a number of new Nikon Z9 tags (thanks Warren Hatch)
- Decode AmbisonicAudio tags in spherical MP4 vidoes
- Decode another Apple tag
- Improved French translations (thanks Philippe Bonnaure of GraphicConverter)
- Patched to allow writing QuickTime-based videos where the audio/video sample description comes after the sample pointers
- Fixed parsing of GPS from Insta360 videos to properly skip void fixes
- Fixed problem where Apple iPhone 14 images produced invalid XML in -X output when using -struct option
- API Changes:
  - Added StructFormat option to allow JSON-format serialized structures
  - Added NoDups option to eliminate duplicate items from queued values when writing List-type tags

June 8, 2023 - Version 12.63

- Added ability to read/write/create Brotli-compressed metadata in JXL images (requires IO::Compress::Brotli)
- Added partial support for Exif 3.0 specification:
  - Added new EXIF tags
  - Added MPF Original Preservation Image type
  - Support for reading 'utf8' values (but still write only as 'string')
- Added support for Adobe XMP-hdrgm (HDR Gain Map) tags
- Added support for reading 7z files (thanks Amir Gooran, github #205) (but currently this doesn't work for the Windows .exe version because I haven't been able to install Compress::Raw::Lzma for ActivePerl)
- Added XMP-panorama tags
- Added warning if -csv is used with -p
- Added warning if trying to geotag from a UTF-16 track log
- Decode ImageWidth/Height from JXL images using partial codestreams
- Decode more Sony tags for some newer models (thanks Jos Roost)
- Extract GainMapImage (hrgm box) from JXL files
- Extract Guano information from WAV files
- Enhanced ImageDataMD5 feature and renamed to ImageDataHash (with ImageDataMD5 alias for backward compatibility)
- Changed RARVersion tag name to FileVersion
- Fixed bug introduced in 12.46 which could cause a hang when reading a corrupted RIFF-based file
- Fixed writing of Composition:GPSPosition when -n is used
- API Changes:
  - Added ImageHashType option

May 3, 2023 - Version 12.62

- Added basic read support for WPG images
- Added ImageDataMD5 support for HEIC images
- Added support for RAR version 5.0 files (thanks Amir Gooran, github #203)
- Added a few new XMP-aux tags (thanks John Ellis)
- Made Composite tags available for use in -fileNUM argument
- Better handling of FlashPix VT_EMPTY value
- Fixed "Can't write" error when specifying a .webp file for the -o option
- API Changes:
  - Added NoWarning option

Apr. 24, 2023 - Version 12.61

- Added ImageDataMD5 support for J2C and JXL images
- Added support for PDF 2.0 (specification is finally freely available)
- Added ability to extract timed Accelerometer data from Azdome GS63H MP4 videos which don't contain GPS
- Added some new Sony lenses (thanks Jos Roost)
- Decode some new tags for the Sony ZV-E1 (thanks Jos Roost)
- Decode more tags for the Nikon Z30 (thanks Xavier)
- Enhanced -fileNUM option to allow tags from the main file to be used in the file name string
- Validate sample offset and size when calculating ImageDataMD5 for MP4 videos (note: may change ImageDataMD5 value for videos where audio data runs past end of media data)
- Return error when attempting to write a fragmented JXL file
- Improved robustness for determining image size for corrupted JPEG
- Patched to allow Insta360 GPS records of unexpected length and tweaked verification algorithm to determine validity of these records
- Fixed bug introduced in 12.57 where -progress:%f gave runtime warnings
- Fixed "--" option to ignore subsequent -common_args option
- Fixed incorrect ImageDataMD5 for Sony A100 ARW images
- Fixed problem reading new XMP-et:OriginalImageMD5 tag

Apr. 5, 2023 - Version 12.60 (production release)

- Added a new Sony FileFormat value
- Added Validate warning about duplicate EXIF
- Added ability to edit JPEG APP1 EXIF segment with incorrect header
- Decode a few new Sony ARW tags
- Improved -htmldump of non-EXIF-based maker notes
- Enhanced -geotag from CSV files support GPSSpeed (with variable units), "bearing" for GPSTrack, and GPSDateTime in format "dd.mm.YYYY HH:MM:SS"
- Enhanced ImageDataMD5 to also support CRW, RAF, X3F and AVIF images
- Enhanced -efile option to also record updated and created file names
- Family 8 group names may now also be used in Composite Require/Desire tags
- Fixed handling of undefined tags in -if conditions to conform with documentation and match -p and -tagsFromFile behaviour when -m or -f option is used
- Fixed problem where setting the Geotime value didn't work when using an advanced-formatting expression containing a greater-than symbol (>)

History of older versions (back to Nov. 19, 2003 - Version 1.00) -->

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