Chris Müller authored Apr 12, 2021 and Benni Mack committed May 01, 2021

This change adds the decoding attribute to images. For better rendering
performance the default value is set to "async" (which decodes images
in content elements asynchronously from the main rendering thread).

See also: https://html.spec.whatwg.org/multipage/images.html#decoding-images

Resolves: #93908
Releases: master
Change-Id: I6e8f3985b9ab60de5cf203c36295be29eb6e876c
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/68764
Tested-by: core-ci <typo3@b13.com>
Tested-by: Guido Schmechel <guido.schmechel@brandung.de>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Guido Schmechel <guido.schmechel@brandung.de>
Reviewed-by: Benni Mack <benni@typo3.org>