• Add support for iOS Extensions. See the Readme for instructions, or check out our iOS-Extension-Demo. Credit to @andyyc for the original PR.
• Fix bug where subsequent calls to initializeApiKey after the first were not being ignored.
• Guard debug log statements with a debug flag (disabled by default). To enable debug logging, change AMPLITUDE_DEBUG from 0 to 1 at the top of the Objective-C file you wish to examine.