1.4.0

• Added support for extracting GPS metadata from videos - handles XMP, DMS, decimal and ISO 6709 formats commonly used by both iOS and Android.
• Improved progress bar accuracy - now calculated using bytes processed rather than files processed.
• Tidied up formatting of progress bar for better terminal compatibility.
• Updated default distance to 10km and default precision level to 2 for better album naming.
• Added checks to ensure invalid GPS data is not considered.
• Fixed a bug which meant that photos and videos were still scanned even if -nv and/or -np were used.
• Updated the publish script to use --no-self-contained as identified by dotnet/sdk#51888.
• Updated documentation and copyright.

1.3.0

• Replaced -p (--precise) with new -p (--precision) to support three levels of album naming detail.
• Added progress bar for long running tasks; displays percentage complete and estimated time left.
• Updated GPL copyright version in comments to correctly reflect GNU GPL v2 (or later).
• Updated documentation.

1.2.0

• Improved grouping by filling missing/invalid GPS data (imputing) with locations inferred from photos taken close in time.
• Moved content sorting by date earlier in the process to support imputing and improve debugging with logs.
• Added automatic detection of a safe number of parallel tasks based on CPU and storage type to prevent SEHException crashes on network drives.
• Added -mp (--max-parallel) option to allow users to override the default number of parallel copy, move, or link operations.
• Default hashing switched to CRC64-ECMA-FAST (64 KiB prefix) for much faster performance; accidental collisions remain rare.
• Added -ha (--hash-algo) to override the hashing algorithm with MD5 or SHA512 (SHA256 on 32-bit systems).
• Added file size comparison before hashing to further improve duplicate-checking speed.
• Fixed a bug where the last processed timestamp would be incorrectly updated to an earlier date.
• Tidied up logging and removed superfluous entries.
• Fixed a bug where the version checker formatted version numbers using .NET conventions instead of semantic versioning.
• Updated publishing powershell script to avoid hanging after first build has been completed.

1.1.0

• Added -df (--date-from) and -dt (--date-to) to define the photo date range.
• Added support for using last with both -df and -dt, allowing resuming of previous runs.
• Added -xr (--exclude-recent) to skip photos that would appear in future albums (using -t threshold).
• Added -p (--prepend) to prefix folder names; supports date formats and folder creation.
• Added -nc (--no-check) to disable GitHub version checking.
• Files with no location data are counted to highlight potential issues.
• New header displays all key configuration information.
• Added -u (--unique) to prevent existing album folders from being re-used when album names clash.
• Improved logger performance by keeping files open instead of repeatedly opening/closing.
• Split utility functions into static classes for clearer structure.
• Resolved all .NET code analysis warnings to standardize style and tidy the codebase.
• Added documentation on how GroupMachine can be used in an automated workflow.

1.0.0

• 🏁 Declared as the first stable release.
• Enforced use of -c (--copy), -m (--move), or -l (--link) to specify the copy mode.
• Added -l (--link) option for hard linking, falling back to soft links on failure.
• Added -p (--precise) to enable precise location names (e.g. stations, parks, landmarks, etc.) in album titles.
• Added -nr (--no-range) to show only the first date in folder names that span multiple days.
• Added -np (--no-part) to suppress part number suffixes.
• Changed album title logic: dropped popularity sorting; locations now kept in time order with the least-used removed.
• Updated -s (--simulate) to show the destination folder structure.
• Refactored the "(part x)" numbering logic to ignore existing folders on disk, relying on date suffixes for uniqueness.
• Switched to SHA512 for identical file checks on 64-bit processors, 32-bit processors continue to use SHA256.
• Removed -u (--unique) check due to poor performance and limited value.
• Logger now includes OS details to assist with debugging.
• Re-ordered command-line arguments and grouped them into logical sections.
• Cleaned up various pieces of code (analyzer suggestions regarding naming, simplifications, and style)

0.9.0

• Initial release.