github realm/realm-cocoa v5.4.1


  • Add prebuilt binary for Xcode 11.7 to the release package.


  • Fix deadlocks when opening a Realm file in both the iOS simulator and Realm Studio (#6743, since 5.3.6).
  • Fix Springboard deadlocking when an app is unsuspended while it has an open Realm file which is stored in an app group on iOS 10-12 (#6749, since 5.3.6).
  • If you use encryption your application cound crash with a message like "Opening Realm files of format version 0 is not supported by this version of Realm". (#6889 among others, since 5.0.0)
  • Confining a Realm to a serial queue would throw an error claiming that the queue was not a serial queue on iOS versions older than 12. (#6735, since 5.0.0).
  • Results would sometimes give stale results inside a write transaction if a write which should have updated the Results was made before the first access of a pre-existing Results object. (#6721, since 5.0.0)


  • File format: Generates Realms with format v11 (Reads and upgrades all previous formats)
  • Realm Object Server: 3.21.0 or later.
  • Realm Studio: 3.12 or later.
  • APIs are backwards compatible with all previous releases in the 5.x.y series.
  • Carthage release for Swift is built with Xcode 11.7.


  • Upgraded realm-core from v6.0.25 to v6.0.26
  • Upgraded realm-sync from v5.0.22 to v5.0.23
latest releases: v10.11.0, v10.10.0, v10.9.0...
10 months ago