From: Tim Düsterhus <duesterhus@woltlab.com>
Date: Fri, 26 Feb 2021 11:05:12 +0000 (+0100)
Subject: Merge branch '5.3'
X-Git-Tag: 5.4.0_Alpha_1~221
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=511105d925e81a0cc23bdf00f6fd10168882b653;p=GitHub%2FWoltLab%2FWCF.git

Merge branch '5.3'
---

511105d925e81a0cc23bdf00f6fd10168882b653
diff --cc wcfsetup/install/files/js/WCF.Attachment.js
index 4ced08677c,34ff910301..a00269e6b4
--- a/wcfsetup/install/files/js/WCF.Attachment.js
+++ b/wcfsetup/install/files/js/WCF.Attachment.js
@@@ -335,8 -335,9 +335,9 @@@ WCF.Attachment.Upload = WCF.Upload.exte
  				// As our resizer is based on Pica it will use multiple workers per image if possible.
  				promise = Array.prototype.reduce.call(files, (function (acc, file) {
  					return acc.then((function (arr) {
- 						// Ignore anything that is not one of the 4 basic image types.
- 						if (['image/png', 'image/gif', 'image/jpeg', 'image/webp'].indexOf(file.type) === -1) {
 -						// Ignore anything that is neither PNG nor JPEG. GIFs are not supported
 -						// due to the support for animations.
 -						if (['image/png', 'image/jpeg'].indexOf(file.type) === -1) {
++						// Ignore anything that is not a widely used mimetype for static images.
++						// GIFs are not supported due to the support for animations.
++						if (['image/png', 'image/jpeg', 'image/webp'].indexOf(file.type) === -1) {
  							arr.push(file);
  							return arr;
  						}