Congratulations for another great release to you guys. Your commitment is super impressive and so are the results.
On Thu, Dec 24, 2020 at 10:09 AM Pascal Obry <pas...@obry.net> wrote: > > We're proud to announce the new feature release of darktable, 3.4.0! > > The github release is here: > [ > https://github.com/darktable-org/darktable/releases/tag/release-3.4.0](https://github.com/darktable-org/darktable/releases/tag/release-3.4.0) > . > > As always, please don't use the autogenerated tarball provided by > github, but only our tar.xz. the checksums are: > > ``` > $ sha256sum darktable-3.4.0.tar.xz > 6dd3de1f5ea9f94af92838c0be5ff30fdaa599aa1d737dcb562f9e0b2b2dbdda > darktable-3.4.0.tar.xz > > $ sha256sum darktable-3.4.0.dmg > da72476993160d1cb2ff8e40c6bd402f1032884936a9eb818197c936d4b22a14 > darktable-3.4.0.dmg > > $ sha256sum darktable-3.4.0.exe > 29dee565292a4a72443874bb970663d46420f5a9ba74a5acfcb3251a48c86f7c > darktable-3.4.0.exe > ``` > > When updating from the currently stable 3.2.x series, please bear in > mind that your edits will be preserved during this process, but the new > library and configuration will not be usable with 3.2.x any more, so > you are strongly advised to take a backup first. > > #### Important note: to make sure that darktable can keep on supporting > the raw file format for your camera, *please* read [this post]( > https://discuss.pixls.us/t/raw-samples-wanted/5420?u=lebedevri) on > how/what raw samples you can contribute to ensure that we have the *full* > raw sample set for your camera under CC0 license! > > - Almost 2146 commits to darktable+rawspeed since 3.2 > - 700 pull requests handled > - 116 issues closed > > ## The Big Ones > > - The user manual is made available at the same time as the > release. Note that this user manual is also the last version as a > new project has taken over the lead on this. The goal is to have > an up-to-date user manual by using a simpler format > to write text for contributors. Feedback or contributions for the > new format are welcome at https://github.com/darktable-org/dtdocs. > > Current manual (multilingual): > > https://darktable.gitlab.io/doc/ > > New manual (English only): > > https://www.darktable.org/usermanual/en/ > > - The tethering view has been reworked and is now more stable. > > - The histogram is back on the tethering view (it was disabled in 3.2 > due to lack of time) > > - A new module grouping feature has been introduced. This makes the "more > modules" module > (at the bottom right of the darkroom) obsolete and this module has > therefore been removed. > > The module grouping feature allows users to create their own groups > of modules. A number of pre-defined module groups are included as presets > (default, minimal, scene-referred, display-referred, > all modules) as well as a new default module group tab layout (technical > / grading / effects), > which beter organizes the modules according to their purpose. > > - Module masking is now enhanced for use with scene-referred workflows. A > new masking implementation > has been added, with fully unbounded blending modes, which allows > parametric masking > either in linear RGB or in JzCzHz color spaces. A boost factor slider > has been > introduced in the masking GUI so that users may set thresholding > parameters above 100% > to mask pixels in HDR images. > > JzCzHz is derived from JzAzBz, which is a perceptual color space > developed > for HDR and published in 2017, with better properties than CIE Lab from > 1976, > allowing near-perfect hue linearity, for a robust hue/saturation masking. > A JzCzHz hue mask will produce the same output whether it is used > before input color profile, after output color profile, or anywhere > in-between, > providing an important consistency improvement over HSL masking. > > - A new color calibration module has been added as a full-featured hub for > color correction. > It was first intended as a scene-referred (unbounded) rewrite of the old > channel mixer, > allowing corrections of the color space, both for creative and > corrective purposes. > > Because channel mixing is how white balancing and chromatic adaptation > are implemented, color calibration also introduces robust chromatic > adaptation transforms, > Bradford (from ICC v4) and CAT16 (from CIECAM 2016), improving the color > rendition > of the white-balanced final image. The module provides a library of all > standard > CIE illuminants and two machine-learning illuminant detection > algorithms, using > different assumptions, for when no neutral colors can be sampled from > the image, > along with the traditional color-picker for manual sampling of neutral > colors. > > Color calibration internally implements gamut-mapping and gamut-clipping, > which attempts to preserve the hue and luminance of pixels while > avoiding imaginary and > out-of-gamut colors at the beginning of the pipeline, to improve the > robustness of > color-grading modules inside the pipeline. This is made necessary because > white balancing will only push input out-of-gamut colors farther away, > and will noticeably help dealing with artifical colored lights (LED, > stage lighting, etc.). > > A new workflow setting "chromatic adaptation defaults", in processing > preferences, > allows users to choose to keep using the white balance module > to perform the chromatic adaptation for new edits ("legacy" worflow, the > default) > or to use the new color calibration instead ("modern" workflow). > The modern workflow still uses the usual white balance module, although > with different default settings, because input color profiles and > demosaicing need at least a rough white balancing early in the pipe. > > - Map view has evolved. Images close to each other are now grouped and a > count of > grouped images is displayed on the bottom-left corner. This provides > better performance > when many images need to be shown on the map. Mouse-scrolling over a > group's thumb scrolls through > the images of the group. Groups containing selected images are > highlighted with a white border. > The image count is displayed as a white number if all images of the > group are exactly at the > same place, and in yellow otherwise. > > Movement of images within the map has also been improved. > <kbd>Click</kbd> to drag the visible image, > <kbd>Shift-Click</kbd> to drag the full group. A new "locations" module > allows you to define location > areas (using elliptical or rectangular shapes). These locations are > saved as collections visible under " > geotagging" in the collect module. > > ## New Features And Changes > > - Some parts of the GUI have been reworked in this version to complete > the overhaul done in previous 3.2 release to ensure seamless > integration (color, spacing). A good example is the combo-boxes. > > - A focus-peaking button has been added in the lighttable and darkroom > views which > complements the existing keyboard shortcut. Focus-peaking helps to > visualize the > depth of field in an image by materializing the sharp edges. > > - Better visual feedback is provided when changing module order with > drag&drop. > > - The wavelet algorithm has improved performance. > > - A new tooltip has been added to items in the darkroom history stack > module showing > a list of the individual parameter changes at each step. This can > especially help to track down unintended adjustments in modules with > many tabs, such as filmic rgb or the parametric blending > settings. This feature was based on the under-the-hood introspection > enhancements delivered in 3.2. > > - Processing modules now have a new tooltip, accessible by hovering over > their header, containing > a summary of what they do, how they work, in which color space they > operate, > if they expect linear, non-linear, display-referred, or scene-referred > input and what kind of output they produce. This will help users to > build consistent pipelines when reordering modules, by exposing the > assumptions upon which each module is built, and provides an in-app > documentation summary accessible offline. > > - Processing modules have been updated with alias names and keyword lists > which are used in the module group > search. As a result, a module search can be performed using the exact > names, > synonyms (e.g. "dehaze" for "haze removal") or features. For example > searching for "saturation" > will return all modules that can perform saturation adjustments. > > - Importing pictures from memory cards no longer uses the gPhoto API. This > should now be more stable on Windows. > > - Many changes have been made to modules to allow for narrower panels. > > - The bilateral filter (used in local contrast, for example) has been > enhanced for better performance. > > - The reset button in the history module can now be used to delete the > history stack. > > - <kbd>Ctrl+Clicking</kbd> on the 'compress history stack' will truncate > the history without compressing it. > > - The export module has new options to specify the maximum output pixel > dimensions using a > scale factor or print size (cm or inch) and DPI. > > - The Filmic RGB module has new graph views to help first time users. > These views include a default base curve view in linear and logarithmic > scales, > consistent with the base curve module, and > a zone-system view which shows the dynamic range mapping between scene > and display grey scales. All the views have optional legends, which can > be > toggled on for new users, and off for experienced users seeking more > GUI real-estate. > > - Changing the pixel workflow preference (none, display-referred, > scene-referred) no longer requires a restart. > > - The pixel-pipe cache can be fine-tuned for better performance. > > - The white balance module can now show colored sliders with two available > modes: 'illuminant color' or 'effect emulation'. > > - More compact combo-box displays have been added to some modules. > > - In the collect module, the collection properties drop-down is now grouped > making it easier to find the property you wish to filter on. > > - Read support for 16-bit (half) float TIFFs has been added. > > - The channel mixer has been deprecated (now replaced with the new color > calibration module) > > - The global color picker has been reworked and now comes with an enhanced > GUI. The colors can now be displayed in LCh or HSL. > > - Any user-amended preferences (those which differ from their default > values) are now > indicated with a small bullet. > > - A new preference has been added to allow you to hide built-in presets. > > - All modules with a list (styles, image information etc.) can be > resized with a <kbd>Ctrl+Scroll</kbd> action. > > - The history copy has been changed to include only safe > modules. Modules like "raw white/black point" and "scale pixels" are > no longer copied, for example. To copy such modules, use the > "copy parts..." button. Note that the unsafe modules > are not selected by default in the resulting dialog. > > - A new exposure independent guided filter has been introduced in the > tone equalizer module. This solves the algorithmic drawback of the > regular guided filter (edge-aware surface blurring), that tends to > over-smooth low-lights and under-smooth highlights. These filters > are used by the tone equalizer to apply contrast compression globally > on the image while not reducing the percieved acutance for local details. > > - Greyscale support has been added for the AVIF format. > > - The "screen DPI overwrite" and "speed/quality trade-off for > drawing images" preferences have been combined into a single new > performance mode for > slow computers. In this mode the thumbs are computed with a lower DPI > and use a faster drawing algorithm. > > - All values in the saved preferences are checked to detect possible > data corruptions. Preferences having a min or max are validated to > ensure that they are in the appropriate range. Any preferences detected > with > possible data corruption are automatically reset to their default values. > > - Support for AVIF >= 0.8.2 (no support for older versions). > > - In order to guard against overwriting styles when exporting them, > a dialog is shown to allow the user to confirm or abort the action. > > - Output channel sliders for parametric masking are now hidden by default. > > - The over-exposure warning display has been improved. As of darktable > 3.2.1, > it showed pixels for which any RGB channel value was below 0.1% or above > 98%, assuming they > would clip in the final export, which is wrong. This mode triggered a > lot of > false-positives that needlessly alarmed users who took them very > seriously, but also > showed over-saturation and over-exposure issues altogether. This comes > with 4 possible modes: > > "any RGB channel" is the same as the previous "over exposure" warning. > > "luminance only" shows by default pixels darker than -12.67 EV (sRGB > black point > in 8 bits integers encoding) or brighter than 99% > > "saturation only" shows any pixel which is too saturated for its current > luminance, > meaning it is out of gamut. > > "full gamut" shows a combination of the 3 previous modes for an overall > control check. > > These modes allow the user to take appropriate measures: exposure > adjustments to fix luminance > clipping or saturation adjustments to fix gamut clipping. > > - A new preset has been added to the denoise (profiled) module to remove > only chrominance > noise using wavelets mode. > > - Many modules have been reworked to get better performance on CPU by > reordering and improving the OpenMP code. The modules are Liquify, > Shadows and Highlights, Filmic RGB reconstruction, RAW Denoise, Borders, > High Pass. > > - The histogram has been improved for performance espcecially the log view. > > ## Bug fixes > > - Fix orientation in the clipping module after having selected the > freehand aspect ratio. > > - Fix compilation issue with AVIF format support. > > - Fix multiple small memory leaks. > > - Fix daylight saving time in `$(EXIF_HOUR)` variable. > > - Fix timestamp display on Windows (use UTF-8 format for timestamps). > > - Fix many issues on the zoomable lighttable view introduced in 3.2 > with the lighttable rewrite. > > - Fix possible flickering while displaying thumbnails on the lighttable. > > - Fix liquify module interaction with nodes, line and curves when > zooming and/or down-sampling is activated. > > - Fix some issues with lighttable display (thumbnails) when using > HiDPI monitor. > > - Fix styles undo/redo in the darkroom. > > ## Notes > > - The code base has been significantly simplified and refactored, > which will make future code maintenance easier. > > - Many more tests have been added to track regressions in image filter > outputs and ensure backwards compatibility of edits. The testsuite > counts now 77 tests and covers all the modules currently supported. > > ## Lua > > - API changed to 6.1.0 > > - Button labels can now be ellipsized > > - Stack widgets can now shrink and grow as panel width changes. > > - A Lua Scripts Installer module now runs at startup offering to > install the lua scripts unless they are already installed or the > module has been disabled by the user. The module uses the git > executable to install the scripts so it must be present on the > user\'s system in order for this to work. > > - darktble uses Lua 5.3. Lua 5.4 has been released and is now the > default Lua for some distributions. Please install the Lua 5.3 > library package if your distribution is using Lua 5.4 as the > default. If you compile darktable, then you may also set > `DONT_USE_INTERNAL_LUA` to OFF in the DefineOptions.cmake file > to use the internal Lua. > > ## Changed Dependencies > > - Due to the current GMIC version windows users may have to rename two > libraries > in the darktable bin folder to get lut3d module > working:`libopencv_code4xx` and `libopencv_videoio4xx` > should be renamed to `libopencv_code440` and `libopencv_videoio440` > respectively. > > ## RawSpeed changes > > * CR2 decompressor was rewritten, the subsampled (mRAW/sRAw) data is now > stored in packed format, > which made interpolation beneficial for auto-vectorization by LLVM/Clang > (after fixing over-eager common code hoisting ( > https://reviews.llvm.org/D84108), > and teaching it to perform SROA after loop unrolling ( > https://reviews.llvm.org/D87972)), > resulting in modest performance improvements, also, `4:2:0` case was > parallelized: > see > https://github.com/darktable-org/rawspeed/commit/5743628b9d4649aa027df62b91f4882e78de7063 > / > > https://github.com/darktable-org/rawspeed/commit/11eccf1e786dc80e13758ed876b2538a275438d2 > > ## Camera support, compared to 3.2.1 > > ### Base Support > > - Canon EOS REBEL T7i > - Nikon Z 5 (14bit-compressed, 12bit-compressed) > - Olympus E-M10 Mark IV > - Panasonic DC-GX7MK3 (4:3) > - Panasonic DC-S5 (3:2) > - Sony ILCE-7C > - Sony ZV-1 > > ### White Balance Presets > > - Canon EOS 200D > - Canon EOS Kiss X9 > - Canon EOS Rebel SL2 > - Canon EOS M5 > - Canon EOS M6 > - Nikon 1 V2 > - Nikon Z 50 > - Sony ILCE-6600 > > ### Noise Profiles > > - Panasonic DC-G90 > - Panasonic DC-G91 > - Panasonic DC-G95 > - Panasonic DC-G99 > - Ricoh GR II > - Sony NEX-5T > > ## Translations > > - Afrikaans > - Czech > - German > - European Spanish > - Finnish > - French > - Hebrew > - Hungarian > - Italian > - Polish > - Brazilian Portuguese > - Russian > - Slovak > - Slovenian > > -- > Pascal Obry / Magny Les Hameaux (78) > > The best way to travel is by means of imagination > > http://www.obry.net > > gpg --keyserver keys.gnupg.net --recv-key F949BD3B > > > ____________________________________________________________________________ > darktable user mailing list > to unsubscribe send a mail to > darktable-user+unsubscr...@lists.darktable.org > > ____________________________________________________________________________ darktable user mailing list to unsubscribe send a mail to darktable-user+unsubscr...@lists.darktable.org
