# Changelog
### v0.18 - "*ridge*"
Requires libvips v8.5.5.
#### v0.18.4 - 18th September 2017
* Ensure input Buffer really is marked as Persistent, prevents mark-sweep GC.
[#950](https://github.com/lovell/sharp/issues/950)
[@lfdoherty](https://github.com/lfdoherty)
#### v0.18.3 - 13th September 2017
* Skip shrink-on-load when trimming.
[#888](https://github.com/lovell/sharp/pull/888)
[@kleisauke](https://github.com/kleisauke)
* Migrate from got to simple-get for basic auth support.
[#945](https://github.com/lovell/sharp/pull/945)
[@pbomb](https://github.com/pbomb)
#### v0.18.2 - 1st July 2017
* Expose libvips' xres and yres properties for TIFF output.
[#828](https://github.com/lovell/sharp/pull/828)
[@YvesBos](https://github.com/YvesBos)
* Ensure flip and flop operations work with auto-rotate.
[#837](https://github.com/lovell/sharp/issues/837)
[@rexxars](https://github.com/rexxars)
* Allow binary download URL override via SHARP_DIST_BASE_URL env variable.
[#841](https://github.com/lovell/sharp/issues/841)
* Add support for Solus Linux.
[#857](https://github.com/lovell/sharp/pull/857)
[@ekremkaraca](https://github.com/ekremkaraca)
#### v0.18.1 - 30th May 2017
* Remove regression from #781 that could cause incorrect shrink calculation.
[#831](https://github.com/lovell/sharp/issues/831)
[@suprMax](https://github.com/suprMax)
#### v0.18.0 - 30th May 2017
* Remove the previously-deprecated output format "option" functions:
quality, progressive, compressionLevel, withoutAdaptiveFiltering,
withoutChromaSubsampling, trellisQuantisation, trellisQuantization,
overshootDeringing, optimiseScans and optimizeScans.
* Ensure maximum output dimensions are based on the format to be used.
[#176](https://github.com/lovell/sharp/issues/176)
[@stephanebachelier](https://github.com/stephanebachelier)
* Avoid costly (un)premultiply when using overlayWith without alpha channel.
[#573](https://github.com/lovell/sharp/issues/573)
[@strarsis](https://github.com/strarsis)
* Include pixel depth (e.g. "uchar") when reading metadata.
[#577](https://github.com/lovell/sharp/issues/577)
[@moedusa](https://github.com/moedusa)
* Add support for Buffer and Stream-based TIFF output.
[#587](https://github.com/lovell/sharp/issues/587)
[@strarsis](https://github.com/strarsis)
* Expose warnings from libvips via NODE_DEBUG=sharp environment variable.
[#607](https://github.com/lovell/sharp/issues/607)
[@puzrin](https://github.com/puzrin)
* Switch to the libvips implementation of "attention" and "entropy" crop strategies.
[#727](https://github.com/lovell/sharp/issues/727)
* Improve performance and accuracy of nearest neighbour integral upsampling.
[#752](https://github.com/lovell/sharp/issues/752)
[@MrIbby](https://github.com/MrIbby)
* Constructor single argument API: allow plain object, reject null/undefined.
[#768](https://github.com/lovell/sharp/issues/768)
[@kub1x](https://github.com/kub1x)
* Ensure ARM64 pre-built binaries use correct C++11 ABI version.
[#772](https://github.com/lovell/sharp/issues/772)
[@ajiratech2](https://github.com/ajiratech2)
* Prevent aliasing by using dynamic values for shrink(-on-load).
[#781](https://github.com/lovell/sharp/issues/781)
[@kleisauke](https://github.com/kleisauke)
* Expose libvips' "squash" parameter to enable 1-bit TIFF output.
[#783](https://github.com/lovell/sharp/pull/783)
[@YvesBos](https://github.com/YvesBos)
* Add support for rotation using any multiple of +/-90 degrees.
[#791](https://github.com/lovell/sharp/pull/791)
[@ncoden](https://github.com/ncoden)
* Add "jpg" alias to toFormat as shortened form of "jpeg".
[#814](https://github.com/lovell/sharp/pull/814)
[@jingsam](https://github.com/jingsam)
### v0.17 - "*quill*"
Requires libvips v8.4.2.
#### v0.17.3 - 1st April 2017
* Allow toBuffer to optionally resolve a Promise with both info and data.
[#143](https://github.com/lovell/sharp/issues/143)
[@salzhrani](https://github.com/salzhrani)
* Create blank image of given width, height, channels and background.
[#470](https://github.com/lovell/sharp/issues/470)
[@pjarts](https://github.com/pjarts)
* Add support for the "nearest" kernel for image reductions.
[#732](https://github.com/lovell/sharp/pull/732)
[@alice0meta](https://github.com/alice0meta)
* Add support for TIFF compression and predictor options.
[#738](https://github.com/lovell/sharp/pull/738)
[@kristojorg](https://github.com/kristojorg)
#### v0.17.2 - 11th February 2017
* Ensure Readable side of Stream can start flowing after Writable side has finished.
[#671](https://github.com/lovell/sharp/issues/671)
[@danhaller](https://github.com/danhaller)
* Expose WebP alpha quality, lossless and near-lossless output options.
[#685](https://github.com/lovell/sharp/pull/685)
[@rnanwani](https://github.com/rnanwani)
#### v0.17.1 - 15th January 2017
* Improve error messages for invalid parameters.
[@spikeon](https://github.com/spikeon)
[#644](https://github.com/lovell/sharp/pull/644)
* Simplify expression for finding vips-cpp libdir.
[#656](https://github.com/lovell/sharp/pull/656)
* Allow HTTPS-over-HTTP proxy when downloading pre-compiled dependencies.
[@wangzhiwei1888](https://github.com/wangzhiwei1888)
[#679](https://github.com/lovell/sharp/issues/679)
#### v0.17.0 - 11th December 2016
* Drop support for versions of Node prior to v4.
* Deprecate the following output format "option" functions:
quality, progressive, compressionLevel, withoutAdaptiveFiltering,
withoutChromaSubsampling, trellisQuantisation, trellisQuantization,
overshootDeringing, optimiseScans and optimizeScans.
Access to these is now via output format functions, for example `quality(n)`
is now `jpeg({quality: n})` and/or `webp({quality: n})`.
* Autoconvert GIF and SVG input to PNG output if no other format is specified.
* Expose libvips' "centre" resize option to mimic \*magick's +0.5px convention.
[#568](https://github.com/lovell/sharp/issues/568)
* Ensure support for embedded base64 PNG and JPEG images within an SVG.
[#601](https://github.com/lovell/sharp/issues/601)
[@dynamite-ready](https://github.com/dynamite-ready)
* Ensure premultiply operation occurs before box filter shrink.
[#605](https://github.com/lovell/sharp/issues/605)
[@CmdrShepardsPie](https://github.com/CmdrShepardsPie)
[@teroparvinen](https://github.com/teroparvinen)
* Add support for PNG and WebP tile-based output formats (in addition to JPEG).
[#622](https://github.com/lovell/sharp/pull/622)
[@ppaskaris](https://github.com/ppaskaris)
* Allow use of extend with greyscale input.
[#623](https://github.com/lovell/sharp/pull/623)
[@ppaskaris](https://github.com/ppaskaris)
* Allow non-RGB input to embed/extend onto background with an alpha channel.
[#646](https://github.com/lovell/sharp/issues/646)
[@DaGaMs](https://github.com/DaGaMs)
### v0.16 - "*pencil*"
Requires libvips v8.3.3
#### v0.16.2 - 22nd October 2016
* Restrict readelf usage to Linux only when detecting global libvips version.
[#602](https://github.com/lovell/sharp/issues/602)
[@caoko](https://github.com/caoko)
#### v0.16.1 - 13th October 2016
* C++11 ABI version is now auto-detected, remove sharp-cxx11 installation flag.
* Add experimental 'attention' crop strategy.
[#295](https://github.com/lovell/sharp/issues/295)
* Include .node extension for Meteor's require() implementation.
[#537](https://github.com/lovell/sharp/issues/537)
[@isjackwild](https://github.com/isjackwild)
* Ensure convolution kernel scale is clamped to a minimum value of 1.
[#561](https://github.com/lovell/sharp/issues/561)
[@abagshaw](https://github.com/abagshaw)
* Correct calculation of y-axis placement when overlaying image at a fixed point.
[#566](https://github.com/lovell/sharp/issues/566)
[@Nateowami](https://github.com/Nateowami)
#### v0.16.0 - 18th August 2016
* Add pre-compiled libvips for OS X, ARMv7 and ARMv8.
[#312](https://github.com/lovell/sharp/issues/312)
* Ensure boolean, bandbool, extractChannel ops occur before sRGB conversion.
[#504](https://github.com/lovell/sharp/pull/504)
[@mhirsch](https://github.com/mhirsch)
* Recalculate factors after WebP shrink-on-load to avoid round-to-zero errors.
[#508](https://github.com/lovell/sharp/issues/508)
[@asilvas](https://github.com/asilvas)
* Prevent boolean errors during extract operation.
[#511](https://github.com/lovell/sharp/pull/511)
[@mhirsch](https://github.com/mhirsch)
* Add joinChannel and toColourspace/toColorspace operations.
[#513](https://github.com/lovell/sharp/pull/513)
[@mhirsch](https://github.com/mhirsch)
* Add support for raw pixel data with boolean and withOverlay operations.
[#516](https://github.com/lovell/sharp/pull/516)
[@mhirsch](https://github.com/mhirsch)
* Prevent bandbool creating a single channel sRGB image.
[#519](https://github.com/lovell/sharp/pull/519)
[@mhirsch](https://github.com/mhirsch)
* Ensure ICC profiles are removed from PNG output unless withMetadata used.
[#521](https://github.com/lovell/sharp/issues/521)
[@ChrisPinewood](https://github.com/ChrisPinewood)
* Add alpha channels, if missing, to overlayWith images.
[#540](https://github.com/lovell/sharp/pull/540)
[@cmtt](https://github.com/cmtt)
* Remove deprecated interpolateWith method - use resize(w, h, { interpolator: ... })
[#310](https://github.com/lovell/sharp/issues/310)
### v0.15 - "*outfit*"
Requires libvips v8.3.1
#### v0.15.1 - 12th July 2016
* Concat Stream-based input in single operation for ~+3% perf and less GC.
[#429](https://github.com/lovell/sharp/issues/429)
[@papandreou](https://github.com/papandreou)
* Add alpha channel, if required, before extend operation.
[#439](https://github.com/lovell/sharp/pull/439)
[@frulo](https://github.com/frulo)
* Allow overlay image to be repeated across entire image via tile option.
[#443](https://github.com/lovell/sharp/pull/443)
[@lemnisk8](https://github.com/lemnisk8)
* Add cutout option to overlayWith feature, applies only the alpha channel of the overlay image.
[#448](https://github.com/lovell/sharp/pull/448)
[@kleisauke](https://github.com/kleisauke)
* Ensure scaling factors are calculated independently to prevent rounding errors.
[#452](https://github.com/lovell/sharp/issues/452)
[@puzrin](https://github.com/puzrin)
* Add --sharp-cxx11 flag to compile with gcc's new C++11 ABI.
[#456](https://github.com/lovell/sharp/pull/456)
[@kapouer](https://github.com/kapouer)
* Add top/left offset support to overlayWith operation.
[#473](https://github.com/lovell/sharp/pull/473)
[@rnanwani](https://github.com/rnanwani)
* Add convolve operation for kernel-based convolution.
[#479](https://github.com/lovell/sharp/pull/479)
[@mhirsch](https://github.com/mhirsch)
* Add greyscale option to threshold operation for colourspace conversion control.
[#480](https://github.com/lovell/sharp/pull/480)
[@mhirsch](https://github.com/mhirsch)
* Ensure ICC profiles are licenced for distribution.
[#486](https://github.com/lovell/sharp/issues/486)
[@kapouer](https://github.com/kapouer)
* Allow images with an alpha channel to work with LAB-colourspace based sharpen.
[#490](https://github.com/lovell/sharp/issues/490)
[@jwagner](https://github.com/jwagner)
* Add trim operation to remove "boring" edges.
[#492](https://github.com/lovell/sharp/pull/492)
[@kleisauke](https://github.com/kleisauke)
* Add bandbool feature for channel-wise boolean operations.
[#496](https://github.com/lovell/sharp/pull/496)
[@mhirsch](https://github.com/mhirsch)
* Add extractChannel operation to extract a channel from an image.
[#497](https://github.com/lovell/sharp/pull/497)
[@mhirsch](https://github.com/mhirsch)
* Add ability to read and write native libvips .v files.
[#500](https://github.com/lovell/sharp/pull/500)
[@mhirsch](https://github.com/mhirsch)
* Add boolean feature for bitwise image operations.
[#501](https://github.com/lovell/sharp/pull/501)
[@mhirsch](https://github.com/mhirsch)
#### v0.15.0 - 21st May 2016
* Use libvips' new Lanczos 3 kernel as default for image reduction.
Deprecate interpolateWith method, now provided as a resize option.
[#310](https://github.com/lovell/sharp/issues/310)
[@jcupitt](https://github.com/jcupitt)
* Take advantage of libvips v8.3 features.
Add support for libvips' new GIF and SVG loaders.
Pre-built binaries now include giflib and librsvg, exclude *magick.
Use shrink-on-load for WebP input.
Break existing sharpen API to accept sigma and improve precision.
[#369](https://github.com/lovell/sharp/issues/369)
* Remove unnecessary (un)premultiply operations when not resizing/compositing.
[#413](https://github.com/lovell/sharp/issues/413)
[@jardakotesovec](https://github.com/jardakotesovec)
### v0.14 - "*needle*"
Requires libvips v8.2.3
#### v0.14.1 - 16th April 2016
* Allow removal of limitation on input pixel count via limitInputPixels. Use with care.
[#250](https://github.com/lovell/sharp/issues/250)
[#316](https://github.com/lovell/sharp/pull/316)
[@anandthakker](https://github.com/anandthakker)
[@kentongray](https://github.com/kentongray)
* Use final output image for metadata passed to callback.
[#399](https://github.com/lovell/sharp/pull/399)
[@salzhrani](https://github.com/salzhrani)
* Add support for writing tiled images to a zip container.
[#402](https://github.com/lovell/sharp/pull/402)
[@felixbuenemann](https://github.com/felixbuenemann)
* Allow use of embed with 1 and 2 channel images.
[#411](https://github.com/lovell/sharp/issues/411)
[@janaz](https://github.com/janaz)
* Improve Electron compatibility by allowing node-gyp rebuilds without npm.
[#412](https://github.com/lovell/sharp/issues/412)
[@nouh](https://github.com/nouh)
#### v0.14.0 - 2nd April 2016
* Add ability to extend (pad) the edges of an image.
[#128](https://github.com/lovell/sharp/issues/128)
[@blowsie](https://github.com/blowsie)
* Add support for Zoomify and Google tile layouts. Breaks existing tile API.
[#223](https://github.com/lovell/sharp/issues/223)
[@bdunnette](https://github.com/bdunnette)
* Improvements to overlayWith: differing sizes/formats, gravity, buffer input.
[#239](https://github.com/lovell/sharp/issues/239)
[@chrisriley](https://github.com/chrisriley)
* Add entropy-based crop strategy to remove least interesting edges.
[#295](https://github.com/lovell/sharp/issues/295)
[@rightaway](https://github.com/rightaway)
* Expose density metadata; set density of images from vector input.
[#338](https://github.com/lovell/sharp/issues/338)
[@lookfirst](https://github.com/lookfirst)
* Emit post-processing 'info' event for Stream output.
[#367](https://github.com/lovell/sharp/issues/367)
[@salzhrani](https://github.com/salzhrani)
* Ensure output image EXIF Orientation values are within 1-8 range.
[#385](https://github.com/lovell/sharp/pull/385)
[@jtobinisaniceguy](https://github.com/jtobinisaniceguy)
* Ensure ratios are not swapped when rotating 90/270 and ignoring aspect.
[#387](https://github.com/lovell/sharp/issues/387)
[@kleisauke](https://github.com/kleisauke)
* Remove deprecated style of calling extract API. Breaks calls using positional arguments.
[#276](https://github.com/lovell/sharp/issues/276)
### v0.13 - "*mind*"
Requires libvips v8.2.2
#### v0.13.1 - 27th February 2016
* Fix embedding onto transparent backgrounds; regression introduced in v0.13.0.
[#366](https://github.com/lovell/sharp/issues/366)
[@diegocsandrim](https://github.com/diegocsandrim)
#### v0.13.0 - 15th February 2016
* Improve vector image support by allowing control of density/DPI.
Switch pre-built libs from Imagemagick to Graphicsmagick.
[#110](https://github.com/lovell/sharp/issues/110)
[@bradisbell](https://github.com/bradisbell)
* Add support for raw, uncompressed pixel Buffer/Stream input.
[#220](https://github.com/lovell/sharp/issues/220)
[@mikemorris](https://github.com/mikemorris)
* Switch from libvips' C to C++ bindings, requires upgrade to v8.2.2.
[#299](https://github.com/lovell/sharp/issues/299)
* Control number of open files in libvips' cache; breaks existing `cache` behaviour.
[#315](https://github.com/lovell/sharp/issues/315)
[@impomezia](https://github.com/impomezia)
* Ensure 16-bit input images can be normalised and embedded onto transparent backgrounds.
[#339](https://github.com/lovell/sharp/issues/339)
[#340](https://github.com/lovell/sharp/issues/340)
[@janaz](https://github.com/janaz)
* Ensure selected format takes precedence over any unknown output filename extension.
[#344](https://github.com/lovell/sharp/issues/344)
[@ubaltaci](https://github.com/ubaltaci)
* Add support for libvips' PBM, PGM, PPM and FITS image format loaders.
[#347](https://github.com/lovell/sharp/issues/347)
[@oaleynik](https://github.com/oaleynik)
* Ensure default crop gravity is center/centre.
[#351](https://github.com/lovell/sharp/pull/351)
[@joelmukuthu](https://github.com/joelmukuthu)
* Improve support for musl libc systems e.g. Alpine Linux.
[#354](https://github.com/lovell/sharp/issues/354)
[#359](https://github.com/lovell/sharp/pull/359)
[@download13](https://github.com/download13)
[@wjordan](https://github.com/wjordan)
* Small optimisation when reducing by an integral factor to favour shrink over affine.
* Add support for gamma correction of images with an alpha channel.
### v0.12 - "*look*"
Requires libvips v8.2.0
#### v0.12.2 - 16th January 2016
* Upgrade libvips to v8.2.0 for improved vips_shrink.
* Add pre-compiled libvips for ARMv6+ CPUs.
* Ensure 16-bit input images work with embed option.
[#325](https://github.com/lovell/sharp/issues/325)
[@janaz](https://github.com/janaz)
* Allow compilation with gmake to provide FreeBSD support.
[#326](https://github.com/lovell/sharp/issues/326)
[@c0decafe](https://github.com/c0decafe)
* Attempt to remove temporary file after installation.
[#331](https://github.com/lovell/sharp/issues/331)
[@dtoubelis](https://github.com/dtoubelis)
#### v0.12.1 - 12th December 2015
* Allow use of SIMD vector instructions (via liborc) to be toggled on/off.
[#172](https://github.com/lovell/sharp/issues/172)
[@bkw](https://github.com/bkw)
[@puzrin](https://github.com/puzrin)
* Ensure embedded ICC profiles output with perceptual intent.
[#321](https://github.com/lovell/sharp/issues/321)
[@vlapo](https://github.com/vlapo)
* Use the NPM-configured HTTPS proxy, if any, for binary downloads.
#### v0.12.0 - 23rd November 2015
* Bundle pre-compiled libvips and its dependencies for 64-bit Linux and Windows.
[#42](https://github.com/lovell/sharp/issues/42)
* Take advantage of libvips v8.1.0+ features.
[#152](https://github.com/lovell/sharp/issues/152)
* Add support for 64-bit Windows. Drop support for 32-bit Windows.
[#224](https://github.com/lovell/sharp/issues/224)
[@sabrehagen](https://github.com/sabrehagen)
* Switch default interpolator to bicubic.
[#289](https://github.com/lovell/sharp/issues/289)
[@mahnunchik](https://github.com/mahnunchik)
* Pre-extract rotatation should not swap width/height.
[#296](https://github.com/lovell/sharp/issues/296)
[@asilvas](https://github.com/asilvas)
* Ensure 16-bit+alpha input images are (un)premultiplied correctly.
[#301](https://github.com/lovell/sharp/issues/301)
[@izaakschroeder](https://github.com/izaakschroeder)
* Add `threshold` operation.
[#303](https://github.com/lovell/sharp/pull/303)
[@dacarley](https://github.com/dacarley)
* Add `negate` operation.
[#306](https://github.com/lovell/sharp/pull/306)
[@dacarley](https://github.com/dacarley)
* Support `options` Object with existing `extract` operation.
[#309](https://github.com/lovell/sharp/pull/309)
[@papandreou](https://github.com/papandreou)
### v0.11 - "*knife*"
#### v0.11.4 - 5th November 2015
* Add corners, e.g. `northeast`, to existing `gravity` option.
[#291](https://github.com/lovell/sharp/pull/291)
[@brandonaaron](https://github.com/brandonaaron)
* Ensure correct auto-rotation for EXIF Orientation values 2 and 4.
[#288](https://github.com/lovell/sharp/pull/288)
[@brandonaaron](https://github.com/brandonaaron)
* Make static linking possible via `--runtime_link` install option.
[#287](https://github.com/lovell/sharp/pull/287)
[@vlapo](https://github.com/vlapo)
#### v0.11.3 - 8th September 2015
* Intrepret blurSigma, sharpenFlat, and sharpenJagged as double precision.
[#263](https://github.com/lovell/sharp/pull/263)
[@chrisriley](https://github.com/chrisriley)
#### v0.11.2 - 28th August 2015
* Allow crop gravity to be provided as a String.
[#255](https://github.com/lovell/sharp/pull/255)
[@papandreou](https://github.com/papandreou)
* Add support for io.js v3 and Node v4.
[#246](https://github.com/lovell/sharp/issues/246)
#### v0.11.1 - 12th August 2015
* Silence MSVC warning: "C4530: C++ exception handler used, but unwind semantics are not enabled".
[#244](https://github.com/lovell/sharp/pull/244)
[@TheThing](https://github.com/TheThing)
* Suppress gamma correction for input image with alpha transparency.
[#249](https://github.com/lovell/sharp/issues/249)
[@compeak](https://github.com/compeak)
#### v0.11.0 - 15th July 2015
* Allow alpha transparency compositing via new `overlayWith` method.
[#97](https://github.com/lovell/sharp/issues/97)
[@gasi](https://github.com/gasi)
* Expose raw ICC profile data as a Buffer when using `metadata`.
[#129](https://github.com/lovell/sharp/issues/129)
[@homerjam](https://github.com/homerjam)
* Allow image header updates via a parameter passed to existing `withMetadata` method.
Provide initial support for EXIF `Orientation` tag,
which if present is now removed when using `rotate`, `flip` or `flop`.
[#189](https://github.com/lovell/sharp/issues/189)
[@h2non](https://github.com/h2non)
* Tighten constructor parameter checks.
[#221](https://github.com/lovell/sharp/issues/221)
[@mikemorris](https://github.com/mikemorris)
* Allow one input Stream to be shared with two or more output Streams via new `clone` method.
[#235](https://github.com/lovell/sharp/issues/235)
[@jaubourg](https://github.com/jaubourg)
* Use `round` instead of `floor` when auto-scaling dimensions to avoid floating-point rounding errors.
[#238](https://github.com/lovell/sharp/issues/238)
[@richardadjogah](https://github.com/richardadjogah)
### v0.10 - "*judgment*"
#### v0.10.1 - 1st June 2015
* Allow embed of image with alpha transparency onto non-transparent background.
[#204](https://github.com/lovell/sharp/issues/204)
[@mikemliu](https://github.com/mikemliu)
* Include C standard library for `atoi` as Xcode 6.3 appears to no longer do this.
[#228](https://github.com/lovell/sharp/issues/228)
[@doggan](https://github.com/doggan)
#### v0.10.0 - 23rd April 2015
* Add support for Windows (x86).
[#19](https://github.com/lovell/sharp/issues/19)
[@DullReferenceException](https://github.com/DullReferenceException)
[@itsananderson](https://github.com/itsananderson)
* Add support for Openslide input and DeepZoom output.
[#146](https://github.com/lovell/sharp/issues/146)
[@mvictoras](https://github.com/mvictoras)
* Allow arbitrary aspect ratios when resizing images via new `ignoreAspectRatio` method.
[#192](https://github.com/lovell/sharp/issues/192)
[@skedastik](https://github.com/skedastik)
* Enhance output image contrast by stretching its luminance to cover the full dynamic range via new `normalize` method.
[#194](https://github.com/lovell/sharp/issues/194)
[@bkw](https://github.com/bkw)
[@codingforce](https://github.com/codingforce)