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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

Current trunk - started 2019-09-01

Requires libvips 8.9+.

Added

  • Support for true streaming (#225).
  • Support for upstream TLSv1.3 connections.
  • Install target for the library and CLI tool.
  • Support for changing the nginx version during building.
  • Debug mode within the weserv module (&debug=). Requires nginx to be compiled with --with-debug.
  • pagePrimary to metadata output (&output=json).
  • Support for brightness, saturation and hue modulation (&mod=) (#226).
  • nginx directives for configuring API limits (#227).
  • Support for nginx's proxy_pass directive (#251).
  • AVIF encoding support (&output=avif) (#238).
  • Support for enabling or disabling image savers (weserv_savers directive).
  • Prebuilt Docker image to GitHub's Container Registry (#204).
  • Support for specifying the default quality per format (weserv_*_quality directives).
  • Support for controlling the CPU effort spent on improving compression (weserv_*_effort directives).
  • The rel="canonical" response header to proxied images (#309).
  • The Timing-Allow-Origin response header (#311).
  • Alpine based Docker image (#317).
  • A pkg-config file of the API library (weserv.pc).
  • Variants of nginx configurations (imagesweserv-no-cache.conf and imagesweserv-secure-link.conf).
  • Support for configuring the number of worker threads of libvips (via the VIPS_CONCURRENCY env).
  • /clear-cache API endpoint (#272).
  • $weserv_response_length embedded nginx variable.
  • Additional response headers (#325).
  • Support multi-frame images for various operations (embed, crop, mask and orient).
  • The weserv_canonical_header nginx directive (#309).
  • Client-side DNS failover mechanism (#331).
  • The weserv_deny_ip nginx directive.
  • Support for &default=1 (#371).
  • Support for percentage-based values for some parameters (#384).
  • Support for lossless encoding of WebP images (&ll) (#386).

Changed

  • Migrate Docker base image to Rocky Linux 9.
  • Attempt to decode corrupted or invalid images (#194).
  • Docker image improvements (#215, #216, #230 and #283).
  • Return an error when the maximum number of pages is exceeded (#243).
  • Bump minimum required libvips version to 8.9.
  • Allow arbitrary values for the max-age parameter (#292).
  • Increase rate limit quota to 2500 requests per 10 minutes (#196).
  • The name of the project, CLI and shared library name (imagesweserv -> weserv).
  • Warn if nginx was configured without --with-http_ssl_module.
  • Build nginx with --with-http_secure_link_module by default.
  • Migrate from PCRE to PCRE2.
  • Modernize code to C++17.
  • Use jemalloc in the glibc-based Dockerfile.
  • Improve ICC profile conversion.
  • Speed-up thumbnailing of RGBA images.

Fixed

  • Compatibility with CMake < 3.12.
  • Compatibility with legacy websites by using lowest OpenSSL security level (#208).
  • Thread safety with copy-on-write for metadata (lovell/sharp#1986).
  • A small memory leak in thumbnail.
  • Comply URI parser with the RFC-3986 standard (#237).
  • Page height logic for non-animated images (#242).
  • Premultiplication bug during masking (#245).
  • Message for HTTP 500 response status codes (#264).
  • Focal point calculations (#270).
  • Parsing of key-value pairs (#279 and #358).
  • Reduce the size of the Docker image (#316).
  • Only set permanent URLs as canonical (#309).
  • Using the &page parameter in combination with &n=-1.
  • Skip shrink-on-load for known libjpeg rounding errors.
  • Compatibility with mixed C++ ABIs (#338).
  • Prevent upsizing via libwebp.
  • Honor the VIPS_MIN_STACK_SIZE and VIPS_BLOCK_UNTRUSTED env variables.
  • Ensure use of flip forces random access read.
  • The maximum values of the sharpen operation (#357).
  • Bump buffer size for HTTP response headers (#378).
  • Ensure correct dimensions for 90/270 rotate.

Deprecated

Before Use instead
&bri=[-100/+100] &mod=[brightness multiplier]
&a=focal-[x%]-[y%] &fpx=[x offset] and &fpy=[y offset]

Removed

The weserv_mode proxy|file; directive is removed in favour of the weserv proxy|filter; directive. This means that all occurrences of weserv on|off; and weserv_mode proxy|file; should be removed from existing nginx configurations.

To enable the Weserv module, it is now mandatory to include the weserv proxy|filter; directive in the location block. For example:

@@ -1,12 +1,10 @@
 server {
-    weserv on;
-
     location / {
-        weserv_mode proxy;
+        weserv proxy;
     }
 
     location /static {
-        weserv_mode file;
+        weserv filter;
 
         alias /var/www/imagesweserv/public;
     }

5.0.0 - started 2019-02-07

Requires libvips 8.8+.

See this blog post for a summary of the new features in API 5.

Added

  • Support for animated WebP and GIF images.
  • Support for loading HEIC-images.
  • Without enlargement (&we, can be used in combination with all &fit= parameters) (#173).
  • Background color when using &fit=contain (&cbg=).
  • Image tinting (&tint=).
  • Arbitrary rotation angles (&ro=).
  • Background color when rotating by arbitrary angles (&rbg=).
  • Adaptive row filtering (&af, PNG only).
  • zlib compression level (&l=, PNG only).
  • Metadata output (&output=json).
  • Flipping an image horizontally (&flop) and/or vertically (&flip).
  • Pre-resize crop behaviour (&precrop) (#176).
  • Retrieve the largest/smallest page from a multi-resolution image (&page=-1 / &page=-2) (#170).
  • Duotone filter effect (&filt=duotone). The two contrasting colours can be specified with &start= and &stop=.
  • Fit option to ensure that the dimensions are greater than or equal to both those specified (&fit=outside).
  • Support for changing the max-age of the Cache-Control HTTP-header (&maxage=) (#186).

Changed

  • Rewrote the entire code base to C++.
  • Improved rate limiter. See the weserv/rate-limit-nginx-module repository.
  • Align the confusing transformation (&t=) parameters with the CSS terminology (&fit=).
  • A JSON-formatted response with the appropriate application/json MIME-type, if an error occurs.
  • Docker image and deployment improvements (#180).

Deprecated

Before Use instead
&t=fit &fit=inside&we
&t=fitup &fit=inside
&t=square &fit=cover
&t=squaredown &fit=cover&we
&t=absolute &fit=fill
&t=letterbox &fit=contain
&a=crop-[x%]-[y%] &a=focal-[x%]-[y%]
&errorredirect &default
&sharp=[f],[j],[s] &sharp=[s], &sharpf=[f] and &sharpj=[j]
&crop=[w],[h],[x],[y] &cw=[w], &ch=[h], &cx=[x] and &cy=[y]

4.0.0 - started 2018-07-17

Requires libvips 8.7+ and OpenResty 1.13.6.2+.

See this blog post for a summary of the new features in API 4.

Added

  • Mask background (&mbg=).

Changed

  • Rewrote the complete code base to Lua and switched to OpenResty.
  • The &shape and &strim parameters were renamed to &mask and &mtrim.
  • Support for URI's starting with http:// and https://.

Deprecated

Before Use instead
&shape= &mask=
&strim= &mtrim=

3.0.0 - started 2017-01-01

Requires libvips 8.7+ and PHP 7.1+.

Note

With the magical help of libvips and the PHP binding php-vips, we "officially" support PNG, JPG, WEBP, GIF (not animated), SVG, PDF and TIFF as image input. "Unofficially" we're supporting all libMagick image file types.

Added

  • &output=webp and &output=tiff in an effort to support more image formats as output (#68).
  • Device pixel ratio (&dpr=) (#115).
  • Letterboxing (&t=letterbox) (#80).
  • Rotation by any multiple of 90 (&or=).
  • Smart crop &a=entropy or &a=attention (only works when &t=square).
  • Focal point cropping (&a=crop-x%-y%, only works when &t=square).
  • Shape cropping (&shape=).
  • Brightness adjustment (&bri=).
  • Contrast adjustment (&con=).
  • Gamma adjustment (&gam=).
  • Sharpen an image (&sharp=).
  • Background color of an image (&bg=) (#81).
  • Blur effect (&blur=) (#69).
  • Filter effect (&filt=).
  • The filename returned in the Content-Disposition header (&filename=) (#122 and #78).
  • Support for Cyrillic and Arabic characters (#13).
  • Redirect to a default image if the image URL is not found (&errorredirect=) (#37).
  • Load a given page (&page=, for PDF, TIFF and multi-size ICO files).
  • Support for non-standard ports (#10).
  • A privacy policy. See Privacy-Policy.md.
  • A Docker image for easier deployment. See the Docker installation instructions.

Changed

  • Dropped Intervention Image in favor of php-vips because resizing an image with libvips is typically 4x-5x faster than using the quickest ImageMagick.
  • We're now using the uri package in order to parse URIs correctly. This is a drop-in replacement to PHP’s parse_url function.

Deprecated

Before Use instead
&a=t &a=top
&a=b &a=bottom
&a=l &a=left
&a=r &a=right
&circle &shape=circle

2.0.0 - started 2015-12-27

Note

This version was never used in production, it's only used for testing purposes, and it was a beginning to re-write the entire image proxy (which is in production since 2007).

Added

1.0.0 - started 2007-09-10

Note

The start of our image proxy. See for more details here.

Added / Changed / Fixed

We never kept a changelog from 2007 to 2015. For a quick overview what we've added, changed or fixed in the past see our completed label on our issue tracker. Or take a look at our 1.x branch.