Changelog for PubNub C# SDK

v7.0.0

October 30, 2024

Added	Added support for Channel, ChannelGroup, Subscription and SubscriptionSet, ChannelMetadata, UserMetadata entities for Subscribe related operation. BREAKING CHANGES: Added new event listeners support. BREAKING CHANGES: All apis calls will be made through HttpClient by default. Default value for EnableEventEngine is set to true, Subscribe operation will be executed by event engine by default.
Modified	Removed telemetry manager.

v6.20.2

October 3, 2024

Fixed

Fixes issue of listener not being removed on RemoveListener call.

v6.20.1

May 9, 2024

Fixed

Fixes issue of Unity SDK not being able to have a fully independent IJsonPluggableLibrary implementation because of direct nu-get Newtonsoft usage in C# SDK (Unity has it's own version that works with IL2CPP builds).

v6.20.0

April 18, 2024

Added

Added event engine implementation for subscribe and presence operation. Added support for RetryConfiguration to configure subscribe request retry.

v6.19.7

April 2, 2024

Fixed

Resolved the issue where an incorrect network status was emitted when no internet connection was detected.

v6.19.6

March 28, 2024

Fixed

Fixes issue of inaccurate DateTime to TimeToken conversion in TranslateDateTimeToPubnubUnixNanoSeconds.

v6.19.5

January 17, 2024

Fixed

Fixes issue of getting exception for custom objects in subscription and history when crypto module is configured.

v6.19.4

November 28, 2023

Fixed

Handle unencrypted message while getting messages with crypto.

v6.19.3

October 31, 2023

Fixed

Fixes issue of applying default serializer settings.

v6.19.2

October 30, 2023

Modified

Changed license to PubNub Software Development Kit License.

v6.19.1

October 24, 2023

Fixed

Fixes issue of getting error when hereNow is called with channelGroups param only.

v6.19.0

October 16, 2023

Added	Add crypto module that allows configure SDK to encrypt and decrypt messages.
Fixed	Improved security of crypto implementation by adding enhanced AES-CBC cryptor. Fixes Newtonsoft Json vulnerability with MaxDepth and upgrade to version for non-PCL.
Modified	Add SubscribeKey validation for subscribe feature.

v6.18.0

September 4, 2023

Fixed

Allow name param as optional in SetChannelMetadata. Removed default empty value.

v6.17.0

July 10, 2023

Modified

Validate json string before deserialization.

v6.16.0

May 18, 2023

Modified

Replaced ConcurrentDictionary class file with System.Collections.Concurrent package for all target frameworks except .net 3.5/4.0. Addressed threading issue on reading ConcurrentDictionary keys.

v6.15.0

March 16, 2023

Added	Sending files as raw byte arrays.
Modified	Added TcpKeepAlive and ConnectionLimit to improve performance.

v6.14.0

February 27, 2023

Modified

Undeprecated GrantToken methods/properties.

v6.13.0

December 5, 2022

Fixed	Added null check for PublishFileMessage PNStatus in SendFileOperation. Removed invalid Content-Type in ObjectsV2 request headers targeting .Net Frameworks.
Modified	Added CultureInfo.InvariantCulture to string formatting.

v6.12.0

November 14, 2022

Fixed

Encode comma char for push related multi channels.

v6.11.0

November 7, 2022

Modified

Added Content-Type to request header to support internal acceptance tests. Added acceptance tests for ObjectsV2 feature.

v6.10.0

September 6, 2022

Fixed

Add Users/Spaces support to PCL versions.

v6.9.0

August 22, 2022

Fixed

Fix Timer reference conflict in net6.0.

v6.8.0

August 10, 2022

Fixed

Fixed Destroy() method when multiple Pubnub instances were in use.

v6.7.0

July 27, 2022

Modified

Added support for Users/Spaces to GrantToken.

v6.6.0

July 18, 2022

Modified

Introduced UserId to PNConfiguration and deprecated UUID. Added build target framework support to .Net Framework 4.8 and .Net 6.0.

v6.5.0

June 14, 2022

Fixed

Suppress web request aborted exception message to callback.

v6.4.0

May 23, 2022

Fixed

Handle PNConfiguration for multi Pubnub instances.

v6.3.0

March 22, 2022

Fixed

Refactor Telemetry Task Result to GetAwaiter().GetResult() . Removed SILVERLIGHT, WINDOWS_PHONE preprocessor directive code.

v6.2.0

January 27, 2022

Modified

Bumped PeterO.Cbor library version to 4.5.2.

v6.1.0

January 20, 2022

Fixed

Capture region when exception occur during subscribe.

v6.0.0

January 12, 2022

Modified

BREAKING CHANGES: UUID is mandatory to use SDK.

v5.4.0

December 16, 2021

Fixed

Replaced BouncyCastle lib with System.Security.Cryptography.Algorithms. Added try/catch for publish operation to catch exceptions.

v5.3.0

November 16, 2021

Added

Added RevokeToken feature.

v5.2.0

November 1, 2021

Modified

Capture region for subscribe. Removed throw exception on atleast one PAM permission validation.

v5.1.0

October 12, 2021

Modified	Dispose RandomNumberGenerator
Added	Added PAMv3 support - GrantToken, ParseToken, SetAuthToken.

v5.0.1

July 14, 2021

Modified

Replaced Random class with RandomNumberGenerator for secure random bytes. Handling of SendFile file size exceeded error message and refactored DeleteFile. Refactored Encrypt/Decrypt methods in calling PubnubCrypto constructor with config.

v5.0.0

June 14, 2021

Added

BREAKING CHANGE - UseRandomInitializationVector is true by default.

4.15.0.0

May 27, 2021

Modified

Refactored code to handle malformed message for reconnection policy.

4.14.0.0

May 18, 2021

Fixed	Refactored code to handle malformed message for re-subscribe.
Modified	Upgraded System.Net.Http minimum version to 4.3.4, to address security advisory CVE-2018-8292 in PubnubPCL.

4.13.0.0

January 18, 2021

Modified	Increase message count default limit for History v3 api call to 100 for single channel.
Fixed	UnsubscribeAll fix when no channels subscribed.

4.12.0.0

October 5, 2020

Modified

Added support to Objects Access Manager

4.11.0.0

August 27, 2020

Modified

Fix for SaveFileToLocal in PNDownloadFileResult Code refactor to use file Content-Type from generate-upload-url form fields Removed IncludeUuid and IncludeMessageType from v2/history endpoint

4.10.0.0

July 30, 2020

Modified

Fix for publish file message Modified PNFileEventResult model class and applied internal set accessor for models.

4.9.0.0

July 28, 2020

Modified

Added files feature

4.8.0.0

June 10, 2020

Modified

Removed V1 Objects API feature. BREAKING CHANGE if you are using V1 Objects. Added Objects Simplification API feature.

4.7.0.0

May 27, 2020

Modified

Code refactor for Signal, Publish, Fire input validation.

4.6.0.0

April 30, 2020

Modified

Added async/await support for feature method calls. Added sort for Objects API. Typo correction SupressLeaveEvents to SuppressLeaveEvents in PNConfiguration.

4.5.0.0

January 9, 2020

Modified

Code refactor to fix Objects and MessageActions using POST/PATCH/DELETE based requests. Added filter support for Objects API.

4.4.0.0

December 19, 2019

Modified

Refactored code related to TMS GetToken and GetTokens Refactored code to retrieve assembly version

4.3.0.0

December 12, 2019

Modified

Added APNS2 support for mobile push. Added helper class to build mobile push payload. Refactored code for PAM Signature.

4.2.0.0

October 15, 2019

Modified

Added IncludeMeta option to History. Added new feature FetchHistory. Added support for Message Actions. Fix for ManageMembers and ManageMemberships when multiple include fields are provided.

4.1.0.0

September 26, 2019

Modified

Fix for MessageCounts when multiple channels are used. Fix for PAM Signature when case-sensitive param keys are provided. Refactored all calls that use PAM signature to use v2 format signature. Implemented PAMv3 to all Objects. New feature Token Management System to all Objects.

4.0.33.0

August 22, 2019

Modified

Modified Signal listener message type to PNSignalResult. Added ObjectsAPI feature.

4.0.32.0

August 8, 2019

Modified

Async() is deprecated. Use Execute() instead. Added Signal feature.

4.0.31.0

July 25, 2019

Modified

Refactored code to encode unsafe chars ignored by EscapeDataString in NET35/NET40

4.0.30.0

May 28, 2019

Modified

Refactored code to enforce minimum PresenceTimeout value to 20 Refactored code to handle bool type in presence state

4.0.29.0

April 25, 2019

Modified

Fix to retrieve channel name for PNPresenceEventResult when channel group is used

4.0.28.0

March 28, 2019

Modified

Fix for MessageCounts feature when multiple channels or timetokens are used with PAM enabled keys

4.0.27.0

March 13, 2019

Modified

Added MessageCounts feature to get count of messages published since a given time

4.0.26.0

February 14, 2019

Modified

Fix to capture last timetoken when subscribe request timeout/terminated

4.0.25.0

February 7, 2019

Modified

Refactored code to allow tilde char for publish GET with secret key Minor code refactoring based on Codacy analysis

4.0.24.0

October 11, 2018

Modified

Code refactor to check null value of variables related to Reconnect usage

4.0.23.0

October 1, 2018

Modified

Code refactor based on codacy rules on unused code Refactored code to handle WebException from HttpRequestException for NetStandard platforms

4.0.22.0

September 6, 2018

Modified

Added Grant delete permission feature Modified SDK dependency Portable.BouncyCastle minimum version to 1.8.1.2

4.0.21.0

August 13, 2018

Modified

Refactored code for performance improvement Refactored CleanupTelemetryData

4.0.20.0

August 6, 2018

Modified

Refactored code to publish multiple emoji characters Refactored code to improve performance of Publish/Fire/Grant/Subscribe/Unsubscribe requests targeting .net framework

4.0.19.0

July 12, 2018

Modified

Code refactor to maintain separate instance id during multi-instancing

4.0.18.0

June 20, 2018

Modified

Added Publisher property to PNMessageResult of subscribe Added PNException class and refactored code internally around status response

4.0.17.0

May 30, 2018

Modified

Code refactor related to MultiplexExceptionHandler Support to Apple Watch Code refactor related to PubnubInstance

4.0.16.0

April 9, 2018

Modified

Code refactor to ClientNetworkStatus Proxy support for HttpClient Code refactor to Telemetry Reduced internal subscribe heartbeat interval for improvement in message delivery

4.0.15.0

March 22, 2018

Modified

Feature to add external query params Internal deduping mechanism when devices cross regions (DedupOnSubscribe) Added provision to SupressLeaveEvents Refactored code related to network check time request for non-200 response logging

4.0.14.0

February 15, 2018

Modified

Fix for Publish Sync Refactored Int32/Int64 Parse to TryParse Code refactor based on Codacy

4.0.13.0

January 18, 2018

Modified

Relay server sent error status to PNStatus for Publish request Refactored to allow colon char for publish with secret key

4.0.12.0

December 21, 2017

Modified

Relay server sent 403 status to PNStatus for PCL Resolved array type published message for Subscribe<string>

4.0.11.0

December 14, 2017

Modified

Refactored by applying JArray.Parse for history and time json response

4.0.10.0

December 13, 2017

Modified

Refactored code by replacing Add with AddOrGet for ConcurrentDictionary Added exception handling in TerminateReconnectTimer Code refactor based on Codacy recommendation

4.0.9.0

December 5, 2017

Modified

Return PNStatus for non-subscribe requests timeout Fix for PAM Grant requests to work independent of device locale Code refactor based on Codacy recommendation

4.0.8.0

November 9, 2017

Modified

Added bool return value for AddListener and RemoveListener ResetTimeToken option for Reconnect and bool return for Reconnect/Disconnect Resubscribe fix when channelgroup is used

4.0.7.0

November 1, 2017

Modified

Added exception handling to AddListener and RemoveListener Code refactor to address collection modified error in TelemetryManager Code refactor based on Codacy recommendation

4.0.6.0

October 27, 2017

Modified

Added null check in exception catch block during network reconnect Refactored code to send correct channel group, if exist, to PNStatus during network reconnect Fix for delete message from history Code refactor based on Codacy recommendation

4.0.5.2

October 10, 2017

Modified

Added exception handling for subscribe and unsubscribe internal exceptions

4.0.5.1

September 26, 2017

Modified

Added new method RemoveAllPushNotificationsFromDeviceWithPushToken Code refactor on Reconnect Code refactor based on Codacy recommendation

4.0.4.1

September 19, 2017

Modified

Added Telemetry feature Fix for PNPushListProvisionsResult

4.0.3.2

September 6, 2017

Modified

Added HereNowRefresh to PNPresenceEventResult PCL version duplicate message fix for multiple disconnect/reconnect

4.0.3.1

August 18, 2017

Modified

Refactored code to handle exception in Unsubscribe and query builder functionality Migrated source code from VS 2015 to VS 2017 Added DeleteMessages feature

4.0.2.2

July 20, 2017

Modified

Code refactor to fix subscribe timeout and reconnect

4.0.2.0

July 5, 2017

Modified

Refactored code for application level grant Refactored code to reuse HttpClient instance Refactored code to handle Pubnub multi-instancing

4.0.1.7

June 7, 2017

Modified

Fix for publish with UsePOST and cipher key Handling object array for History response

4.0.1.6

April 15, 2017

Modified

Fix for subscribe connect status callback Message null value check for publish

4.0.1.5

April 6, 2017

Modified

Refactored to handle thread blocking

4.0.1.4

March 31, 2017

Modified

Fix to support Xamarin.Android Pubnub SDK install using Visual Studio

4.0.1.3

March 29, 2017

Modified

Added code to handle presence interval event Code refactor per CA2000 code analysis

4.0.1.3-rc13

March 28, 2017

Modified

Refactored to address false alert log and timeout messages.

4.0.1.3-rc12

March 16, 2017

Modified

Support for ASP.NET/MVC project template projects.

4.0.1.3-rc11

March 11, 2017

Modified

Replaced HttpClient with compatible lib for .net 4.5/4.61 to support VS 2013.

4.0.1.3-rc10

March 8, 2017

Fixed

Comma encoding fix for multi channelgroups Fixed channel remove from channelgroup

4.0.1.3-rc9

March 3, 2017

Fixed

Message fix for history when timetoken=false.

4.0.1.3-rc8

March 2, 2017

Modified

Added pn- prefix to default uuid.

4.0.1.3-rc7

February 20, 2017

Fixed

pcl profile 111 subscribe message fix.

4.0.1.3-rc6

February 17, 2017

Fixed

Timetoken fix for subscribed messages.

4.0.1.3-rc5

February 7, 2017

Modified	HttpClient to supported platforms.
Fixed	Fixed Unsubscribe issue.

4.0.1.3-rc1

January 17, 2017

Modified

Derived classes for inline coding.

4.0.1.2-rc1

December 16, 2016

Modified

Cipher typo, Origin change.

4.0.1.0-rc1

December 12, 2016

Modified

initial v4 version.