It appears that Apple has finally acknowledged the app crashing issue that has been plaguing many apps on the iOS App Store in the last day or so. Originally highlighted by Instapaper creator Marco Arment here, apparently some newly updated apps were crashing on launch. The issues stem from corrupted app binaries that were being distributed on the App Store, and may be related to Apple’s FairPlay DRM.
Apple Is Working On A Fix For Crashing Issues Plaguing The App Store