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=Siril 0.99.6=
'''Release date: September 23, 2020'''

This release is a big fixes release of the previous version of Siril. It is a beta version of the upcoming 1.0 version. It comes with many improvements of the big refactoring started with the 0.99 branch.

==Downloads==
This version is a the beta version of Siril 1.0.0. In consequence, we only distribute the packages for the 3 most common platforms (Windows, MacOS, GNU/Linux). See the [https://www.siril.org/2020/09/22/siril-1-0-0-beta2-testing/ download] page.

But as usual, since siril is a free software, it can be build on any OS from source, see the [[Siril:install|installation]] page.

==What's new in this beta==
This beta is mainly a bug fixes release
* Fixed a bug in demosaicing orientation.
** 0.99.4 version has brought a lot of improvement in the demosaicing feature, but a lot of change as well. A lot of new camera is now handled by this new Siril and the introduction of a new [[Siril:FITS_orientation|FITS keyword]] tries to make more standard the way we choose the debayer algorithm orientation. However, a bug was present in the 0.99.4 that led to choose the wrong debayer orientation for BOTTOM-UP files with odd height.
* Fixed a bug in macOS package where Siril was not multithreated while processing FITS files
* Fixed memory leak in pixel max/min stacking
* Fixed crash when selecting 1 pixel
* Better integration in low resolution screen
* Added embed ICC profile in png and TIFF files
* By default Siril now checks update at startup
* By default Siril now needs "[[Siril:Commands#requires|requires]]" command in Script file
* Refactoring of image display with pan capacity
* Added button + and - for zooming management
* And many other fixes...

==What's new in Siril 0.99 branch==

* New UI with a single window
* New demosaicing algorithms, RCD is now the default one
* New algorithm to fix the AF square with XTRANS sensor (Kristopher Setnes)
* New support for FITS decompression and compression with Rice/Gzip and HCompress methods (Fabrice Faure)
* New support for quantization and HCompress scale factor settings for FITS compression (Fabrice Faure)
* New functions to extract Ha and Ha/OII from RGB images
* New linear match function
* New link command to create symbolic links
* New convert command to convert all files (and link FITS)
* New preference entries for FITS compression settings (Fabrice Faure)
* New native image format: 32-bit floating point image
* New native sequence format: FITS sequence in a single image
* New UI for sequence image list
* New zoom handing: ctrl+scroll (up and down) is the new way to zoom in and out
* New preview in open dialog
* New language selector in preferences
* New image importer: HEIF format
* New stacking filtering criterion (weighted FWHM). It can exclude more spurious images
* New macOS bundle
* New RL deconvolution tool
* New keyword CTYPE3 for RGB FITS in order to be used by Aladin
* New binary siril-cli to start siril without X server
* New preference entries with darks/biases/flat libraries
* New preliminary Meson support (Florian Benedetti)
* New ROWORDER FITS keyword that should be used by several programm now
* X(Y)BAYEROFF can now be configured in preferences
* Parallelizing conversion and some other functions
* CI file was totally rewritten (Florian Benedetti)
* Config file was moved to more standard path
* Optimization of several algorithms (Ingo Weyrich)
* Background extraction is now available for sequence
* Midtone Transfer Function is now available for sequence
* Fixed code for Big Endian machine (Flössie)
* Fixed bug in SER joining operation when Bayer information was lost
* Fixed a bug of inaccessible directories in MacOS Catalina
* Fixed crash on some OpenCV operation with monochrome images
* Fixed annoying error boxes about missing disk drives on Windows

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