Changelog

5.3.1

• Added basic Typescript support

5.3.0

• BGSet: Support adding multiple images/backgrounds through event.detail.fullSrc (#827)
• RiaS plugin: Use source based config in case of picture element usage (#764)
• BlurUp plugin: Added possibility to change classNames (#814)
• Core: Added iframeLoadMode option (see #810)

5.2.2

• Add correct AMD module pattern for plugins.

5.2.1

• BlurUp-Plugin: Copy style attribute (#764)
• Fixes minor security issue with video-embed plugin (#764)
• Built: Update dependencies (#774, #756)
• Fixes diverse issues with old AMD module pattern (#780, #779)

5.2.0

• Fix wrong window context under very rare SSR (fixes #717)
• Fix Safari Back-Forward Cache issue with lazyloading image elements (fixes #711)
• Add lazyload of autoplay videos to unveilhooks (fixes #697)

5.1.2

• Fix visibility check (fixes #709)

5.1.1

• Fix ratio calculation in rias plugin (fixed in #685 by tikotzky)
• Make thumb size for youtube poster image in video-embed plugin configurable (see #681 thx to @nikitasol)

5.1.0

• Allow import/execution in node environment
• Use "hqdefault" for youtube poster image in video-embed plugin fixes #666

5.0.0

• Use width/height content attributes to detect physical aspect ratio of image candidates, if data-aspectratio and h/w descriptors are missing. #642
• Do not leak global lazySizesConfig anymore fixes #647
• Improve handling of cloned object-fit images fixes #648
• Improve blur-up/effect plugin.
• Add support for native loading="lazy" feature as a native loading plugin.

4.1.8

• Added the class ls-is-cached to already cached images.
• Added h descriptor parsing fix plugin for MS edge (was already included in respimg polyfill.)
• Effects-Plugin/Blur Up plugin: Remove [].find because IE..., fixes #631
• Documentation stuff
• Bring back *.min.js files to npm package, but don't use them in your import/require. These are mostly for CDNs. Not for Common JS bundlers.

4.1.7

• Blur Up plugin: make blur up mode configurable by script
• Unload Plugin: Fix unload plugin not knowing current expand, fixes #608
• simplify resetPreloading and switchLoadingClass, fixes #614

4.1.6

• Several Readme fixes
• Allow expand, hFax and expFactor to be changed after initialization, see #581

4.1.5

• Blur Up plugin: Add an empty alt attribute to the blur image to satisfy a11y c3256d6
• Blur Up plugin: added aria-hidden attribute 1d62efb
• RiaS plugin: fix wrong ratio calculation, fixes #550
• Rias Plugin: add aspect-ratio to rias for calculating height, fixes #557

4.1.4

• Resolve race condition with blurImg dffa93b
• make intersectionobserver version compatible with plugins 2f1a025

4.1.3

• change from custom to basic event interface (maybe fixes #520)
• Clarify data-aspectratio attribute d868605

4.1.2

• fixes race condition with blurupimg #527
• add proxy change event to extend bgset #532

4.1.1

• See 3ace9f3

4.1.0

• improve effect plugin

4.0.4

• fixes issue in bgset introduced with version 4.0.3

4.0.3

• add blur up plugin

4.0.0

• make all plugins CommonJS compatible (thx to @claudiobmgrtnr and @jantimon)
• added loadHidden option(thx to @justinvoelker)
• added artdirection plugin (no documentation yet, but great)
• iOS 8.1 fixes has to be loaded explicitly in non CommonJS environments (not included in respimg plugin anymore)
• removed picture support for old FF 38-

2.0.0

• lazysizes core:
  • heavily improved performance (requestIdleCallback, better debouncing and a lot more).
• plugins:
  • new plugin: object fit polyfill.
  • improved new options for parent-fit plugin.

1.5.0

Breaking change: * the lazysizes.js and lazysizes.min.js files do not register as AMD modules anymore, if you need an AMD module use the new lazysizes-umd.js or lazysizes-umd.min.js file.

• lazysizes core:
  • improved lazyloading in background tabs.
  • fixed set lazyloaded class to early in FF.
• bgset/parentFit plugin:
  • improved avoiding layout thrashing.
• respimg/bgset/parentFit plugin:
  • fixed bug in Edge 14 to parse height descriptors correctly.
• unload plugin: unload plugin was broken since version 1.4.0 (thanks to @hokamoto)

1.4.0

• lazysizes core:
  • improved lazyloading in background tabs.
  • improved avoiding layout thrashing
  • support of SVG elements (svg/image/use...)
• bgset/parentFit plugin:
  • improved avoiding layout thrashing
• rias (and bgset):
  • added support for height calculation (thx to @LRancez, #213)

1.3.2

• lazysizes core:
  • add hFactor option (see #181).
• unload plugin:
  • simplified unloadPixelThreshold calculation.
• bgset plugin:
  • add an empty alt to image (see #200).

1.3.1 version

• lazysizes core:
  • replace setImmediate with setTimeout (improved performance for IE/EDGE).
• plugins:
  • fixed conflict with respimg plugin in combination with bgset plugin, in case of art direction and resize to smaller.
  • fixed conflict with RIaS plugin in combination with respimg plugin/picturefill in Safari 8/9.