Update metadata

Author: chrisballinger

Submodules/ChatSecure-Metadata

@@ -17,7 +17,7 @@
 # beta_ipa "./app.ipa"
 
 # The version of your app - remove this if you provide an ipa file
-app_version "4.3.3"
+app_version "4.3.4"
 submit_for_review false
 skip_binary_upload true
 # overwrite_screenshots true
@@ -28,7 +28,9 @@ metadata_path "./Submodules/ChatSecure-Metadata/metadata"
 screenshots_path "./Submodules/ChatSecure-Metadata/screenshots"
 
 release_notes({
-  'default' => "v4.3.3:
+  'default' => "v4.3.4:
+* Same code as v4.3.3 except built with Xcode 9.2 instead of Xcode 9.4 to fix regression in Swift runtime (reabstraction thunk helper swift_getObjectType crash).
+v4.3.3:
 * Actually fix crash on launch by disabling download resumption
 v4.3.2:
 * Fix crash on launch when resuming downloads 
@@ -37,7 +39,7 @@ v4.3.1:
 * No longer expires the last remaining OMEMO key after it hasn't been seen for > 30 days
 * Minor bug fixes
 
-Changelog: https://github.com/chatsecure/chatsecure-ios/compare/v4.3.0...v4.3.3
+Changelog: https://github.com/chatsecure/chatsecure-ios/compare/v4.3.0...v4.3.4
 ",
 })