Apple has released iOS 11.2.6 with an update that fixes issues with third-party apps connecting to external accessories and a bug causing the Indian Tegulu character to crash Messages and other apps. Apple had fixed the special character bug in the iOS 11.3 beta, but seems to have pushed out the fix early to keep users from having to wait for the next big release. A macOS 10.13.3 update fixes the Tegulu problem for Mac users, and Apple also released…