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## Modern Releases
- [See Github releases for major release notes](https://github.com/rordenlab/dcm2niix/releases).
## Legacy Releases
14-November-2018
- [GE images provide more BIDS tags](https://github.com/rordenlab/dcm2niix/issues/163).
- [Bruker enhanced DICOM support](https://github.com/rordenlab/dcm2niix/issues/241).
- [Siemens Vida XA10 support](https://github.com/rordenlab/dcm2niix/issues/240). Note that Vida DICOM data is crippled [if the user exports as mosaics or anonymized/reduced](https://github.com/rordenlab/dcm2niix/issues/236).
- [UIH enhanced DICOM support](https://github.com/rordenlab/dcm2niix/issues/225).
- New DICOM [renaming](RENAMING.md) feature.
22-June-2018
- [Fix issues where 6-June-2018 release could save Enhanced DICOM Philips bvec/bval with different order than .nii images](https://github.com/rordenlab/dcm2niix/issues/201).
6-June-2018
- [Improved Philips PAR/REC support](https://github.com/rordenlab/dcm2niix/issues/171)
- [Improved Philips Enhanced
DICOM support](https://github.com/rordenlab/dcm2niix/issues/170) including saving different [real, imaginary, magnitude and phase images in a single DICOM file](https://github.com/rordenlab/dcm2niix/issues/189).
- GE and Philips data now report [PhaseEncodingAxis](https://github.com/rordenlab/dcm2niix/issues/163) instead of PhaseEncodingDirection (these DICOMs store the dimension, but not the polarity).
- Experimental detection of [phase encoding direction for GE](https://github.com/rordenlab/dcm2niix/issues/163). To enable compile with "MY_DEBUG_GE" flag.
- Support for Philips Private RLE (1.3.46.670589.33.1.4.1) transfer syntax.
- Optional support for JPEG-LS (1.2.840.10008.1.2.4.80/1.2.840.10008.1.2.4.81) transfer syntaxes (using [CharLS](https://github.com/team-charls/charls)). Requires c++14.
- [Improved GE support](https://github.com/rordenlab/dcm2niix/issues/163)
- Optional [lossless integer scaling](https://github.com/rordenlab/dcm2niix/issues/198) for INT16 and UINT16 DICOM images that only use a fraction of the possible range.
15-Dec-2017
- Support [Siemens XA10 images](https://github.com/rordenlab/dcm2niix/pull/145).
- [Ability to select specific series to convert](https://github.com/rordenlab/dcm2niix/pull/146).
4-Dec-2017
- Handle implicit VR DICOMs where [critical values nested in sequence groups (SQ)](https://github.com/rordenlab/dcm2niix/commit/7f5649c6fe6ed366d07776aa54397b50f6641aff)
- Better support for [PAR/REC files with segmented 3D EPI](https://github.com/rordenlab/dcm2niix/commit/66cdf2dcc60d55a6ef37f5a6db8d500d3eeb7c88).
- Allow Protocol Name to be [empty](https://github.com/rordenlab/dcm2niix/commit/94f3129898ba83bf310c9ff28e994f29feb13068).
17-Oct-2017
- Swap [phase-encoding direction polarity](https://github.com/rordenlab/dcm2niix/issues/125) for Siemens images where PE is in the Column direction.
- Sort diffusion volumes by [B-value amplitude](https://www.nitrc.org/forum/forum.php?thread_id=8396&forum_id=4703) (use "-d n"/"-d y" to turn the feature off/on).
- BIDS tag [TotalReadoutTime](https://github.com/rordenlab/dcm2niix/issues/130) handles partial fourier, Phase Resolution, etc (Michael Harms).
- Additional [json fields](https://github.com/rordenlab/dcm2niix/issues/127).
18-Aug-2017
- Better BVec extraction for [PAR/REC 4.1](https://www.nitrc.org/forum/forum.php?thread_id=8387&forum_id=4703).
- Support for [Segami Cerescan volumes](https://www.nitrc.org/forum/forum.php?thread_id=8076&forum_id=4703).
24-July-2017
- Compiles with recent releases of [OpenJPEG](https://github.com/neurolabusc/dcm_qa/issues/5#issuecomment-317443179) for JPEG2000 support.
23-June-2017
- [Ensure slice timing always reported for Siemens EPI](https://github.com/neurolabusc/dcm_qa/issues/4#issuecomment-310707906)
- [Integrates validation](https://github.com/neurolabusc/dcm_qa)
- JSON fix (InstitutionName -> InstitutionAddress)
21-June-2017
- Read DICOM header in 1Mb segments rather than loading whole file : reduces ram usage and [faster for systems with slow io](https://github.com/rordenlab/dcm2niix/issues/104).
- Report [TotalReadoutTime](https://github.com/rordenlab/dcm2niix/issues/98).
- Fix JPEG2000 support in [Superbuild](https://github.com/rordenlab/dcm2niix/issues/105).
28-May-2017
- Remove all derived images from [Philips DTI series](http://www.nitrc.org/forum/message.php?msg_id=21025).
- Provide some [Siemens EPI sequence details](https://github.com/rordenlab/dcm2niix/issues).
28-April-2017
- Experimental [ECAT support](https://github.com/rordenlab/dcm2niix/issues/95).
- Updated cmake to make JPEG2000 support easier with improved Travis and AppVeyor support [Ningfei Li](https://github.com/ningfei).
- Supports Data/Time for images that report Data/Time (0008,002A) but not separate Date and Time (0008,0022 and 0008,0032).
- [BIDS reports SliceTiming correctly](http://www.nitrc.org/forum/message.php?msg_id=20852).
- Options -1..-9 to control [gz compression level](https://github.com/rordenlab/dcm2niix/issues/90).
- Includes some [PET details in the BIDS JSON sidecar](https://github.com/rordenlab/dcm2niix/issues/87).
- Better detection of image order for Philips 4D DICOM (reported by Jason McMorrow and Stephen Wilson).
- [Include StudyInstanceUID and SeriesInstanceUID in filename](https://github.com/rordenlab/dcm2niix/issues/94).
7-Feb-2017
- Can be compiled to use either Philips [Float or Display](http://www.nitrc.org/forum/message.php?msg_id=20213) intensity intercept and slope values.
- Handle 3D Philips DICOM and [PAR/REC](https://www.nitrc.org/forum/forum.php?thread_id=7707&forum_id=4703) files where images are not stored in a spatially contiguous order.
- Handle DICOM violations where icon is uncompressed but image data is compressed.
- Best guess matrix for 2D slices (similar to dcm2nii, SPM and MRIconvert).
- Linux (case sensitive filenames) now handles par/rec as well as PAR/REC.
- Images with unknown phase encoding do not generate [BIDS entry](https://github.com/rordenlab/dcm2niix/issues/79).
- Unified printMessage/printWarning/printError aids embedding in other projects, such as [divest](https://github.com/jonclayden/divest).
1-Nov-2016
- AppVeyor Support (Ningfei Li & Chris Filo Gorgolewski)
- Swap 3rd/4th dimensions for GE sequential multi-phase acquisitions (Niels Janssen).
10-Oct-2016
- Restores/improves building for the Windows operating system using MinGW.
30-Sept-2016
- Save ImageType (0x0008,0x0008) to BIDS.
- Separate CT scans with different exposures.
- Fixed issues where some compilers would generate erratic filenames for zero-padded series (e.g. "-f %3s").
21-Sept-2016
- Reduce verbosity (reduce number of repeated warnings, less scary warnings for derived rather than raw images).
- Re-enable custom output directory "-o" option broken by 30-Apr-2016 version.
- Deal with mis-behaved GE CT images where slice direction across images is not consistent.
- Add new BIDS fields (field strength, manufacturer, etc).
- Philips PAR/REC conversion now reports inconsistent requested vs measured TR (due to prospect. motion corr.?).
- GE: Locations In Acquisition (0054, 0081) is inaccurate if slices are interpolated, use Images In Acquisition (0020,1002) if available.
- New filename options %d Series description (0008,103E), %z Sequence Name (0018,0024).
- New filename options %a antenna (coil) number, %e echo number.
- Initialize unused portions of NIfTI header to zero so multiple runs always produce identical results.
- Supports 3D lossless JPEG saved as [multiple fragments](http://www.nitrc.org/forum/forum.php?thread_id=5872&forum_id=4703).
5-May-2016
- Crop 3D T1 acquisitions (e.g. ./dcm2niix -x y ~/DICOM).
30-Apr-2016
- Convert multiple files/folders with single command line invocation (e.g. ./dcm2niix -b y ~/tst ~/tst2).
22-Apr-2016
- Detect Siemens Phase maps (phase image names end with "_ph").
- Use current working directory if file name not specified.
12-Apr-2016
- Provide override (command line option "-m y") to stack images of the same series even if they differ in study date/time, echo/coil number, or slice orientation. This mechanism allows users to concatenate images that break strict DICOM compliance.
22-Mar-2016
- Experimental support for [DICOM datasets without DICOM file meta information](http://dicom.nema.org/dicom/2013/output/chtml/part10/chapter_7.html).
12-Dec-2015
- Support PAR/REC FP values when possible (see PMC3998685).
11-Nov-2015
- Minor refinements.
12-June-2015
- Uses less memory (helpful for large datasets).
2-Feb-2015
- Support for Visual Studio.
- Remove dependency on zlib (now uses miniz).
1-Jan-2015
- Images separated based on TE (fieldmaps).
- Support for JPEG2000 using OpenJPEG or Jasper libraries.
- Support for JPEG using NanoJPEG library.
- Support for lossless JPEG using custom library.
24-Nov-2014
- Support for CT scans with gantry tilt and varying distance between slices.
11-Oct-2014
- Initial public release.
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