v4.8.4

Enhancements

• Add device id to error reports on Cocoa platforms
  #203

• Update bugsnag-cocoa to v5.23.5:

  • Fix JSON serialisation of strings with control characters
    #739

  • Removed non-thread safe date formatter
    #758

  • Avoid dereference null pointer in JSON serialisation
    #637
    Naugladur

  • Fixed an issue where an app could deadlock during a crash if unfavourable
    timing caused DYLD lock contention.
    #580
    #675
    #725
    #721

  • Fix possible report corruption when using notify() from multiple threads
    when configured to skip capturing/reporting background thread contents
    (generally only Unity games).
    #442

  • Added several additional event fields (codeBundleId, osName,
    modelNumber, locale) that were missing from the OOM reports.
    #444

  • Bugsnag now correctly records a new session if it is returning to
    the foreground after more than 60 seconds in the background.
    #529