SDK Setup Guides
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C#
Release Notes
Ditto v4 for C#
csharp c# c sharp updates version changelog
Released: Fri Nov 17, 2023
Added
Support for .NET MAUI. (#5794)
Added
Support for Xamarin Android.. (#5082)
Added
Support for Xamarin iOS Simulators. (#6081)
Added
`Ditto.Version` static property providing access to the semantic version of the SDK. (#10223)
Added
Class `DittoQueryResultItem` representing a single match of a DQL query. (#10319, 10394)
Added
Class `DittoQueryResult` representing the result of executing a DQL query. (#10319, #10394)
Added
Method `ExecuteAsync()` on `DittoStore` that executes a DQL query and returns a `DittoQueryResult` containing `DittoQueryResultItem`s for each match. (#10319, #10394)
Added
Class `DittoSyncSubscription` that configures Ditto to receive updates from remote peers about documents matching the subscription's query. It's a DQL counterpart and successor to the old `Subscription` class. (#10395, #10394)
Added
Method `RegisterSubscription()` on `DittoSync` that installs and returns a `SyncSubscription`. (#10395, #10394)
Added
Property `Subscriptions` on `DittoSync` providing access to all currently active sync subscriptions. (#10395, #10394)
Added
Property `Sync` on `Ditto` of type `DittoSync` to serve as an entry point for sync functionality. (#10395, #10394)
Added
Class `DittoStoreObserver` on `DittoStore` that configures Ditto to invoke an observation handler whenever results for its query change. (#10396, #10394)
Added
Method `RegisterObserver()` on `DittoStore` that installs and returns a `DittoStoreObserver`. (#10396, #10394)
Added
Property `Observers` on `DittoStore` providing access to all currently active store observers. (#10396, #10394)
Added
The `SmallPeerInfo` property to Ditto allowing you to configure the collection and sync of Small Peer Info. (#10517)
Improved
Deprecated: `DittoLanConfig.MulticastEnabled` property. (#10126)
Improved
Changed: Ditto .NET SDK for iOS and macOS is built and tested with Xcode 14.3.1. (#10177)
Fixed
Bluetooth and LAN transports fail to stop on Windows and Linux. (#8809)
Improved
Performance by implementing bipartite distance-aware mesh topology. (#10632)
Improved
Memory usage and performance of Documents. (#10736)
Improved
Reduced metadata accumulation after eviction by clearing remote summaries. (#7065)
Improved
Serialization performance. (#9112)
Fixed
Made logging more robust to failed writes in a specific set of circumstances. (#10077)
Fixed
Addressed a warning from SQLite that sometimes occurs on startup about a schema change. (#10501)
Fixed
Presence graph may not show all active connections. (#10507)
Fixed
When observing peers, isConnectedToDittoCloud property may be incorrect. (#10534)
Fixed
Initial logging events now use the same format as all other logs. (#10611)
Fixed
Mesh could choose random connections. (#10711)
Fixed
-A bug with Ditto's internal crash handler. (#10022)
Released: Fri Nov 17, 2023
Added
SDK version/language/platform and device name are now included in the small peer info document. (#10515)
Released: Thur Nov 2, 2023
Improved
Runtime validation of corrupted attachments being inserted into documents
(#10552)
Fixed
An issue introduced in 4.4.2 where the Small Peer Info attachments were not replicated to the Portal. (#10538)
Added
The SmallPeerInfo property to Ditto allowing to configure the collection and sync of Small Peer Info. (#10517)
Improved
Changed: Introduced custom implementations for DittoAttachmentToken's Equals() and GetHashCode() methods. ([C#] Override Equals and GetHashCode for DittoAttachementToken #10211)
Fixed
Small Peer info collection now defaults to localPeerOnly, preventing data from being collected on the Big Peer until the feature is explicitly enabled and sync scope is set to bigPeerOnly. (#10203, #10204)
Added
Raise Exception when creating a LiveQuery or a Subscription after dropping the Ditto object. (#10062)
Fixed
An issue where the store .Update() API was not releasing transaction handle (rollback) when the provided delegate invocation throws. (#10064)
Fixed
Unexpected token error when installing Ditto 4.4.0 on Linux. (#10069)
Added
Support for AArch64 CPU architecture on Linux. (#9357)
Added
More informative log message for query failures caused by database access errors. (#9364)
Added
Small peers now persist structured log data to disk for later retrieval, with limits on the resulting disk usage. (#9547)
Added
More informative log message for query failures caused by database access errors. (#9364)
Improved
Print some internal errors in a more human-readable format. (#9269)
Improved
TransportConfig and its associated types can be serialized/deserialized into/from JSON and CBOR. (#9585)
Improved
Sets a minimum session refresh period. The small peer will always try to start refreshing its session after 3 days no matter how long the session period issue. Previously the small peer would start to refresh after half of the session length had elapsed. (#9594, #9645)
Improved
Initial replication time by reducing one roundtrip of messages before peers can sync. (#9404)
Improved
Attachment fetch time in several edge case scenarios. (#9501)
Improved
Efficiency by using less system resources when connected to peers but no replication changes are needing to be sent. (#9479, #7995)
Improved
Significantly reduced startup resource consumption linked to total document count. (#9501)
Fixed
A scenario where a peer could incorrectly receive data back from other peers even after they had modified their subscription and evicted the old data. (#9404)
Fixed
An issue where unusually high replication write load in large meshes could block all readers from reading the database. (#9395, #8872)
Released: Thu Aug 10th 2023, 2:22 pm
Improved
Changed: Improved clarity of error messages when data on disk cannot be read by this version following a downgrade from a newer version of Ditto. (#9267)
Improved
Changed: Print some internal errors in a more human-readable format. (#9495)
Added
Added: iOS can now connect to servers with custom certificates. (#9368)
Fixed
Fixed: an issue on Linux that caused excessive multicast traffic over LAN transport. (#9398)
Install-Package Ditto -Version 4.3.1
PackageReference
<PackageReference Include="Ditto" Version=4.3.1" />
Released: Tue Jul 18th 2023, 10:02 pm
Release Notes:
⚠️ Warning: This SDK version will migrate some data formats on disk. Once upgraded to 4.3.0, an SDK can only be downgraded back to 4.2.2 and 4.2.1 but no earlier. Downgrading to versions earlier than 4.2.1 will require uninstalling and re-installing to clear out the new data formats. (#8946)
- Added: An internal ability to measure & report the level of redundancy in replication updates to calculate the percentage of updates that are arriving from multiple peers. This will be used for future self-balancing mesh actions which are not yet enabled. (#8937)
- Changed: new serialization format improves efficiency of replication, particularly in the Big Peer. (#8946)
- Changed: Better logging for diagnosing auth failures. (#8984)
- Changed: Improved replication performance by introducing a small internal caching layer for commonly computed values. (#8777)
- Fixed: The replication engine can now recover from certain filesystem corruption issues during sync instead of panicking. (#8965)
- Fixed: Increased validation of document updates, preventing updates that try to modify the document id. (#9063)
Installation:
Command Line
Install-Package Ditto -Version 4.3.0
PackageReference
<PackageReference Include="Ditto" Version=4.3.0" />
Released: Wed Jul 5th 2023, 3:32 pm
Release Notes:
- Synchronized version bump release
Installation:
Command Line
Install-Package Ditto -Version 4.2.3
PackageReference
<PackageReference Include="Ditto" Version=4.2.3" />
Released: Tue Jul 4th 2023, 10:42 am
Release Notes:
- Improved mesh performance when using 50+ Small Peer devices (#9077)
- Changed: Improved deserialization performance of Documents. (#9123)
- Fixed: Increased validation of document updates, preventing updates that try to modify the document id. (#9129)
- Fixed: Removed outdated ERROR level log statements in Ditto store related to
- Fixed: The
- Fixed: a potential crash if a document attachment was malformed (#9045)
Installation:
Command Line
Install-Package Ditto -Version 4.2.2
PackageReference
<PackageReference Include="Ditto" Version=4.2.2" />
Released: Tue Jun 13th 2023, 3:47 pm
Release Notes:
- Fixed: a possible crash due to serialisation when upgrading from version 4.1.0 or 4.1.1 (#8925)
Installation:
Command Line
Install-Package Ditto -Version 4.2.1
PackageReference
<PackageReference Include="Ditto" Version=4.2.1" />
Released: Tue Jun 13th 2023, 1:53 am
Release Notes:
- Changed: Improved replication uses compressed message stream to decrease bandwidth consumption. (#8807)
- Changed: Reduce verbosity in replication logs (#8370)
- Fixed: Potential crash on Linux when handling Bluetooth advertisement during Ditto startup (#8538)
Installation:
Command Line
Install-Package Ditto -Version 4.2.0
PackageReference
<PackageReference Include="Ditto" Version=4.2.0" />
Released: Thu May 18th 2023, 11:35 pm
Release Notes:
- Fixed: Devices with hostnames longer than 35 bytes will no longer fail to sync over LAN.
- Fixed: Potential crash on Linux when handling Bluetooth advertisement during Ditto startup.
Installation:
Command Line
Install-Package Ditto -Version 4.1.1
PackageReference
<PackageReference Include="Ditto" Version=4.1.1" />
Released: Fri Apr 28th 2023, 11:52 am
Release Notes:
- Added:
- Changed:
- Changed: (Experimental) Query Overlap Groups, Bus: a breaking protocol change for upcoming improvements. Peers using older versions will not be able to connect with newer peers until they upgrade.
- Fixed: improved Bluetooth LE connection reliability on Linux
- Fixed: A replication issue where certain cases that should have reset the replication session with a remote peer would instead temporarily terminate the connection while not resetting the session.
- Fixed: A replication issue that could cause failed convergence on small number of documents if updates are being received during a local eviction.
- Security: Enforce immediate disconnection of any connected peers whose certificate expires during a sync session.
Installation:
Command Line
Install-Package Ditto -Version 4.1.0
PackageReference
<PackageReference Include="Ditto" Version=4.1.0" />
Released: Tue Apr 18th 2023, 1:22 am
Release Notes:
- Improvements to Bluetooth connection reliability on Linux
Installation:
Command Line
Install-Package Ditto -Version 4.0.3-alpha.linux-ble-fixes-2
PackageReference
<PackageReference Include="Ditto" Version=4.0.3-alpha.linux-ble-fixes-2" />
Released: Mon Apr 17th 2023, 3:19 pm
Release Notes:
- Fixed: a replication issue that could cause failed convergence on small number of documents if updates are being received during a local eviction.
- Improvements to Bluetooth connection reliability on Linux
Installation:
Command Line
Install-Package Ditto -Version 4.0.3-alpha.linux-ble-fixes
PackageReference
<PackageReference Include="Ditto" Version=4.0.3-alpha.linux-ble-fixes" />
Released: Thu Apr 20th 2023, 3:36 pm
Release Notes:
- Fixed: A replication issue where certain cases that should have reset the replication session with a remote peer would instead temporarily terminate the connection while not resetting the session.
- Fixed: Correct handling of reset and disable errors from receive_update
Installation:
Command Line
Install-Package Ditto -Version 4.0.2
PackageReference
<PackageReference Include="Ditto" Version=4.0.2" />
Released: Thu Apr 6th 2023, 11:54 am
Release Notes:
- Fixed: Resolved an issue with logging when the stdout is not available.
Installation:
Command Line
Install-Package Ditto -Version 4.0.1
PackageReference
<PackageReference Include="Ditto" Version=4.0.1" />
Released: Wed Mar 22nd 2023, 3:48 pm
Release Notes:
- Added: AddWins removes will now be used if
- Changed: If a problem occurs with an app's authentication webhook, the Small Peer that is trying to authenticate will log more detailed information for the developer.
- Changed: old multi-hop connections are now automatically disconnected when direct connections are established with peers, freeing up unneeded resources faster.
- Changed: reduced severity level for some routine log statements which were previously emitted at a WARN level.
- Fixed: some threads spawned by the SDK no longer wait up to 30 seconds before being stopped.
- Fixed: an issue which could cause Ditto to hang if more than 500 peers were encountered.
- Fixed: replication hanging under some circumstances, especially WebSocket connections to Big Peer
- Fixed: a possible crash if Ditto is configured with an invalid App ID. An error message is emitted instead.
Installation:
Command Line
Install-Package Ditto -Version 4.0.0
PackageReference
<PackageReference Include="Ditto" Version=4.0.0" />
Released: Thu Jan 26th 2023, 3:37 pm
Release Notes:
- Fixed: an issue which could cause Ditto to hang if more than 500 peers were encountered.
- Fixed: AddWins removes will now be used if
Installation:
Command Line
Install-Package Ditto -Version 4.0.0-beta1
PackageReference
<PackageReference Include="Ditto" Version=4.0.0-beta1" />
Released: Mon Jan 16th 2023, 2:16 pm
Release Notes:
- Added:
Installation:
Command Line
Install-Package Ditto -Version 4.0.0-alpha2
PackageReference
<PackageReference Include="Ditto" Version=4.0.0-alpha2" />
Updated 14 Mar 2024
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