v1.1.0

This release brings official support for Xcode 8, Swift 2.3 and Swift 3.0.
Prebuilt frameworks are now built with Xcode 7.3.1 and Xcode 8.0.

API breaking changes

• Deprecate migrateRealm: in favor of new performMigrationForConfiguration:error: method
  that follows Cocoa's NSError conventions.
• Fix issue where RLMResults used idinstead of its generic type as the return
  type of subscript.

Enhancements

• Improve error message when using NSNumber incorrectly in Swift models.
• Further reduce the download size of the prebuilt static libraries.
• Improve sort performance, especially on non-nullable columns.
• Allow partial initialization of object by initWithValue:, deferring
  required property checks until object is added to Realm.

Bugfixes

• Fix incorrect truncation of the constant value for queries of the form
  column < value for float and double columns.
• Fix crash when an aggregate is accessed as an Int8, Int16, Int32, or Int64.
• Fix a race condition that could lead to a crash if an RLMArray or List was
  deallocated on a different thread than it was created on.
• Fix a crash when the last reference to an observed object is released from
  within the observation.
• Fix a crash when initWithValue: is used to create a nested object for a class
  with an uninitialized schema.
• Enforce uniqueness for RealmOptional primary keys when using the value setter.

v1.0.2

API breaking changes

• Attempting to add an object with no properties to a Realm now throws rather than silently
  doing nothing.

Enhancements

• Swift: A write block may now throw, reverting any changes already made in
  the transaction.
• Reduce address space used when committing write transactions.
• Significantly reduce the download size of prebuilt binaries and slightly
  reduce the final size contribution of Realm to applications.
• Improve performance of accessing RLMArray properties and creating objects
  with List properties.

Bugfixes

• Fix a crash when reading the shared schema from an observed Swift object.
• Fix crashes or incorrect results when passing an array of values to
  createOrUpdate after reordering the class's properties.
• Ensure that the initial call of a Results notification block is always passed
  .Initial even if there is a write transaction between when the notification
  is added and when the first notification is delivered.
• Fix a crash when deleting all objects in a Realm while fast-enumerating query
  results from that Realm.
• Handle EINTR from flock() rather than crashing.
• Fix incorrect behavior following a call to [RLMRealm compact].
• Fix live updating and notifications for Results created from a predicate involving
  an inverse relationship to be triggered when an object at the other end of the relationship
  is modified.

v1.0.1

API breaking changes

• None.

Enhancements

• Significantly improve performance of opening Realm files, and slightly
  improve performance of committing write transactions.

Bugfixes

• Swift: Fix an error thrown when trying to create or update Object instances via
  add(:_update:) with a primary key property of type RealmOptional.
• Xcode playground in Swift release zip now runs successfully.
• The key parameter of Realm.objectForPrimaryKey(_:key:)/ Realm.dynamicObjectForPrimaryKey(_:key:)
  is now marked as optional.
• Fix a potential memory leak when closing Realms after a Realm file has been
  opened on multiple threads which are running in active run loops.
• Fix notifications breaking on tvOS after a very large number of write
  transactions have been committed.
• Fix a "Destruction of mutex in use" assertion failure after an error while
  opening a file.
• Realm now throws an exception if an Object subclass is defined with a managed Swift lazy property.
  Objects with ignored lazy properties should now work correctly.
• Update the LLDB script to work with recent changes to the implementation of RLMResults.
• Fix an assertion failure when a Realm file is deleted while it is still open,
  and then a new Realm is opened at the same path. Note that this is still not
  a supported scenario, and may break in other ways.

v1.0.0

No changes since 0.103.2.

v0.103.2

API breaking changes

• None.

Enhancements

• Improve the error messages when an I/O error occurs in writeCopyToURL.

Bugfixes

• Fix an assertion failure which could occur when opening a Realm after opening
  that Realm failed previously in some specific ways in the same run of the
  application.
• Reading optional integers, floats, and doubles from within a migration block
  now correctly returns nil rather than 0 when the stored value is nil.

v0.103.1

API breaking changes

• None.

Enhancements

• None.

Bugfixes

• Fix a bug that sometimes resulted in a single object's NSData properties
  changing from nil to a zero-length non-nil NSData when a different object
  of the same type was deleted.

v0.103.0

API breaking changes

• All functionality deprecated in previous releases has been removed entirely.
• Support for Xcode 6.x & Swift prior to 2.2 has been completely removed.
• RLMResults/Results now become empty when a RLMArray/List or object
  they depend on is deleted, rather than throwing an exception when accessed.
• Migrations are no longer run when deleteRealmIfMigrationNeeded is set,
  recreating the file instead.

Enhancements

• Added invalidated properties to RLMResults/Results, RLMLinkingObjects/LinkingObjects,
  RealmCollectionType and AnyRealmCollection. These properties report whether the Realm
  the object is associated with has been invalidated.
• Some NSErrors created by Realm now have more descriptive user info payloads.

Bugfixes

• None.

v0.102.1

API breaking changes

• None.

Enhancements

• Return RLMErrorSchemaMismatch error rather than the more generic RLMErrorFail
  when a migration is required.
• Improve the performance of allocating instances of Object subclasses
  that have LinkingObjects properties.

Bugfixes

• RLMLinkingObjects properties declared in Swift subclasses of RLMObject
  now work correctly.
• Fix an assertion failure when deleting all objects of a type, inserting more
  objects, and then deleting some of the newly inserted objects within a single
  write transaction when there is an active notification block for a different
  object type which links to the objects being deleted.
• Fix crashes and/or incorrect results when querying over multiple levels of
  LinkingObjects properties.
• Fix opening read-only Realms on multiple threads at once.
• Fix a BadTransactLog exception when storing dates before the unix epoch (1970-01-01).

v0.102.0

API breaking changes

• None.

Enhancements

• Add a method to rename properties during migrations:
  • Swift: Migration.renamePropertyForClass(_:oldName:newName:)
  • Objective-C: -[RLMMigration renamePropertyForClass:oldName:newName:]
• Add deleteRealmIfMigrationNeeded to
  RLMRealmConfiguration/Realm.Configuration. When this is set to true,
  the Realm file will be automatically deleted and recreated when there is a
  schema mismatch rather than migrated to the new schema.

Bugfixes

• Fix BETWEEN queries that traverse RLMArray/List properties to ensure that
  a single related object satisfies the BETWEEN criteria, rather than allowing
  different objects in the array to satisfy the lower and upper bounds.
• Fix a race condition when a Realm is opened on one thread while it is in the
  middle of being closed on another thread which could result in crashes.
• Fix a bug which could result in changes made on one thread being applied
  incorrectly on other threads when those threads are refreshed.
• Fix crash when migrating to the new date format introduced in 0.101.0.
• Fix crash when querying inverse relationships when objects are deleted.

v0.101.0

API breaking changes

• Files written by this version of Realm cannot be read by older versions of
  Realm. Existing files will automatically be upgraded when they are opened.

Enhancements

• Greatly improve performance of collection change calculation for complex
  object graphs, especially for ones with cycles.
• NSDate properties now support nanoseconds precision.
• Opening a single Realm file on multiple threads now shares a single memory
  mapping of the file for all threads, significantly reducing the memory
  required to work with large files.
• Crashing while in the middle of a write transaction no longer blocks other
  processes from performing write transactions on the same file.
• Improve the performance of refreshing a Realm (including via autorefresh)
  when there are live Results/RLMResults objects for that Realm.

Bugfixes

• Fix an assertion failure of "!more_before || index >= std::prev(it)->second)"
  in IndexSet::do_add().
• Fix a crash when an RLMArray or List object is destroyed from the wrong
  thread.