Mac App Store
By MacRumors Staff
Mac App Store Articles

Apple Responds to Developers Regarding Expired Mac App Store Security Certificates
Last week some users and developers experienced an issue that displayed a "damaged" error when attempting to open select apps from the Mac App Store, including popular apps like 1Password, Tweetbot and Byword. Today, Apple has sent an email to developers explaining what happened and how to fix their apps.
In the email, which developer Donald Southard Jr. shared on Twitter, Apple explains...
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Some Mac App Store Apps 'Damaged' Due to Expired Security Certificate
A growing number of MacRumors readers and Twitter users have been experiencing an issue with some Mac App Store apps displaying a "damaged" error when opened since late Wednesday. The issue has affected popular apps such as 1Password, Acorn, Byword, DaisyDisk and Tweetbot.
Mac App Store apps with a "damaged" error (Image: Graham/Twitter)
Mac users are prompted with this error message when...

Discontinued Apple Software Returns to 'Purchased' Tab in Mac App Store
Earlier today, we noted Apple had recently removed older versions of OS X and other discontinued software from the Purchased tab of the Mac App Store for users who had previously purchased or downloaded them. The apps, which included Aperture, iPhoto, OS X Lion, OS X Mountain Lion and OS X Mavericks, have now returned to the Purchased tab.
The disappearance of the ability to re-download older...

Apple Pulls Older Software From 'Purchased' Tab in Mac App Store
Apple recently removed older versions of OS X and other discontinued software from the Purchased tab of users who had previously purchased or downloaded them. With the change, it is no longer possible for users to download Aperture, iPhoto, OS X Lion, OS X Mountain Lion, and OS X Mavericks from the Mac App Store.
The decision to disallow users from downloading the older software is not going...

Tweetbot 2 for Mac Launches With OS X Yosemite Redesign and New Features
Following several months of development, Tapbots today released Tweetbot 2 for Mac with a major visual overhaul inspired by the flat design of OS X Yosemite and more consistent with the iPhone version of the Twitter client. Tweetbot 2 for Mac is available as a free update through the Mac App Store for existing Tweetbot users and has been discounted to $12.99 from its regular $19.99 price for the...

'Redacted' Hits Number 8 Spot in Mac App Store With Just $302 in First-Day Profit
App developer Sam Soffes today published a blog post detailing the early monetary performance of his new app Redacted [Direct Link], which allows users to easily obscure sensitive information on personal photos.
Screenshot of Redacted's image obscuring features
After launching the app earlier this week, the $4.99 Redacted app quickly broke into the top paid app lists on the U.S. Mac App...