It is not possible to change the sort order from “Oldest items first” back to ”Newest items first ”
In “Edit” - “Settings” - “Advanced” - “Subscription Sorting”, it is not possible to change the sort order from “Oldest items first” back to ”Newest items first ”
https://s3.amazonaws.com/zotero.org/images/forums/u13217675/lqfts7puz8wuezje4u61.png
https://s3.amazonaws.com/zotero.org/images/forums/u13217675/lqfts7puz8wuezje4u61.png
You can revert this back to the default ”Newest items first” from the Config Editor at the bottom of the Advanced Settings:
extensions.zotero.feeds.sortAscending
->false
(default value)