v8.15.0-beta.1

• "This extra E is vexing me," said the cries and pleas of the people displeased that their favorite file extension was four letters instead of three. We're happy to appease (the change was a breeze) and now you will see that the default filename when saving a JPEG will end as it should in dot jpg.
• If you want to embrace your inner goth, we also added support for the dark icon style in macOS.