Updated release notes.

Author: Edward Smith

ChangeLog.md

@@ -1,5 +1,16 @@
 Branch iOS SDK Change Log
 
+- v0.12.18
+  * Updated share channel names for some older iOS app versions.
+  * Updated how the SFSafariViewController window is handled when finding a strong match.
+    - The keyWindow and firstResponder will no longer lose focus at app start up (#484, AIS-122).
+    - Branch now plays nicely with the Facebook login controller (AIS-122).
+  * Improved handling of queued link opens. (#491, #503, AIS-128)
+  * Made the preference helper more robust to prevent crashes (#514)
+  * Updated nullability of callback parameters for Swift (#509, #507, AIS-149).
+  * Fixed some nil reference errors found by static analysis.
+  * Fixed a small memory leak.
+
 - v0.12.17
   * Made the preference file creation more robust and fault tolerant.
 

ReleaseNotes.md

@@ -4,6 +4,12 @@ Branch SDK Release Notes
 
 Check the change log for specific fixes:  [Change log on Github.](https://github.com/BranchMetrics/ios-branch-deep-linking/blob/master/ChangeLog.md)
 
+####  Branch Version 0.12.18
+
+*  There are no breaking changes in this release.
+*  There are no significant new features in this release.
+*  Special testing instructions: Test with slow networks and fast app switches.
+
 ####  Branch Version 0.12.17
 Crash fix due to preferences