Realm Core v13.17.0

Enhancements

• Sync connection and session reconnect timing/backoff logic has been unified into a single implementation and is now configurable. Previously some errors would cause an hour-long wait before attempting to reconnect, now - by default - the sync client will wait for 1 second before retrying and double the timeout after each subsequent attempt up to 5 minutes, after which a retry will be attempted every 5 minutes. If the cause of the error changes, the backoff will be reset. If the sync client voluntarily disconnects, no backoff will be used. (PR #6526).
• Add support for the SDK initializing the schema inside a before-client-reset callback (PR #6780).

Fixed

• Sync errors included the error message twice (PR #6774, since v13.16.0).
• Fix timestamp representation when serializing to json on different platforms. (#5451).

Breaking changes

• Deprecate Object::obj() in favour of Object::get_obj() in order to provide better cache efficiency and keep Obj up to date when writes happened after then object instance is obtained.

Compatibility

• Fileformat: Generates files with format v23. Reads and automatically upgrade from fileformat v5.

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Internals

• Run baas on remote ubuntu host for evergreen object-store-tests. (PR #6757)

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