Here's a list of all the significant updates that has been made to the website, sorted from newest to oldest.
The list of updates for the generators, if they have them, are listed in their page.
Lately, a lot of people have been encountering a weird error when uploading sprites: the upload failed and it saved the error message as the image url. From now on, uploads will be attempted up to 10 times before considering it failed, and then the error will be displayed to the user. If an error occurs, the image won't be updated anymore.
You're reading a specific update. To see all of them go to the news page.