- Fixes an issue where audio might not play after watching a video in another app. If you encounter audio issues in this version, please contact us so we can further diagnose.

• Improves compatibility with newer devices. • Fixes an issue with swipe gestures. • Fixes an audio glitch with certain piano sounds.

• Adds full support for iPhone X.

• iOS 11 Compatibility (including support for Smart Invert) • Updated lesson graphics • Bug fixes

• Updated graphics and tutorial text. • Bug fixes.

• Support for iOS 9 Multitasking • Support for iOS 9 Universal Links

• Fixes an issue where audio would stop playing and the app would hang

• Audio examples now use high-quality stereo piano sounds.

• Fixes a crash on iOS 7

Note: There is an issue in this version which causes a crash when viewing certain lessons on iOS 7. If you are still running iOS 7, we recommend that you do not update to this version of Theory Lessons. We have submitted a fix to Apple which addresses the crash. We apologize for the inconvenience. –––––––– • Fixes an issue where "Legal & Privacy" wouldn't show on an iPad running iOS 8 • Fixes a type in "Introduction to Chords"

• Optimizations for the iPhone 6 Plus, and iPhone 6, and iPhone 5s • Optimizations for iOS 8

Improved VoiceOver support

Updated interface for iOS 7 with support for Dynamic Type and a sepia theme.

• Fixed crash in Phrases and Cadences and Nonharmonic Tones lessons.

• Resolved an issue where a previous version of a lesson could be used temporarily after updating from the App Store. This caused some users to experience sound playing issues. What's new in 1.3: • Ability to toggle between American and British terminology.

• Ability to toggle between American and British terminology Note: if you experience issues with sound after updating, please tap the (i) at the bottom of the table of contents and ensure that your content version is "12.50". Some users have reported that their lessons haven't updated correctly - a fix has already been submitted to Apple to address this.

• Fixes issue where lesson text would not appear in iPad landscape orientation (regression introduced in 1.2) From 1.2: • Enhanced UI for the new iPhone 5 and iPod touch • iOS 6 Support

• Enhanced UI for the new iPhone 5 and iPod touch • iOS 6 Support ❗iPad users❗: please ignore this update, as it introduces a bug with landscape orientation. A new version (1.2.1) which fixes this was submitted to Apple last week and should hopefully be available soon.

• Enhanced graphics for the new iPad's Retina display • Enhanced iPhone landscape mode • Fix for a drawing glitch on iOS 5.1 • Content updates

• Fixes an issue where sound would not play