About the Logic Pro 9.1.3 update Resolves an issue introduced in Logic 9.1.2 where Logic might quit unexpectedly when opening if the Native Instruments Kontakt 4 Memory Server was already open. Resolves an issue introduced in Logic 9.1.2 where the Pedalboard stompboxes "Classic Wah" and "Modern Wah" sometimes stopped responding to mouse input. Logic will no longer stop responding during launch if the TouchOSC Control Surface plug-in is being used and the utility application from Objective Development called Little Snitch is configured to deny network access to Logic. Resolves an issue in Logic 9.1.2 that caused Logic to open fewer audio processing threads on i7 Quad-core Mac computers than it did in 9.1.1. Resolves an issue in Logic 9.1.2 where flattening and merging a Take Folder could result in an empty audio region if another track was soloed during the operation.