Changelog for C# SDK

## v7.4.1 *July 30, 2025* | Type | Changes | |------|----------| | **Fixed** | • Added MembershipMetadata container inside PNObjectEventResult to correctly parse and forward data when object event type is `membership`. • Fixed issue where some result objects like PNMessageResult had UserMetadata declared as an object instead of the standard Dictionary<string, object> format for metadata. | ## v7.4.0 *July 23, 2025* | Type | Changes | |------|----------| | **Added** | • Added support for `status` and `type` fields for uuid, channel and members app context apis. | ## v7.3.15 *July 3, 2025* | Type | Changes | |------|----------| | **Added** | • Implemented an in-house CBOR solution for ParseToken() handling to reduce total SDK+dependencies size. | ## v7.3.14 *June 25, 2025* | Type | Changes | |------|----------| | **Modified** | • Updated log type from Error to Warn for TaskCanceledException. | ## v7.3.13 *June 6, 2025* | Type | Changes | |------|----------| | **Fixed** | • Improved parsing of file download errors to be properly set in operation status ErrorData. | ## v7.3.12 *May 28, 2025* | Type | Changes | |------|----------| | **Added** | • Added new integration tests to better cover all SDK endpoints. | | **Fixed** | • Fixed an issue when upon receiving a message with published with a custom type the CustomMessageType would be null upon receiving. | ## v7.3.11 *May 20, 2025* | Type | Changes | |------|----------| | **Fixed** | • Fix missing `heartbeat` and `leave` REST API calls when the event engine is enabled and `presenceTimeout` or `presenceHeartbeatInterval` not set. | ## v7.3.10 *May 9, 2025* | Type | Changes | |------|----------| | **Fixed** | • Specified dependency version for fixing synk reported issues. | ## v7.3.9 *May 9, 2025* | Type | Changes | |------|----------| | **Modified** | • Changed the way the PubNub logger is injected into IHtttpClientService for better custom-transport-layers handling. | ## v7.3.8 *April 8, 2025* | Type | Changes | |------|----------| | **Modified** | • Subscribe with custom timetoken scenario handling improvements. | ## v7.3.7 *April 7, 2025* | Type | Changes | |------|----------| | **Modified** | • Enhance request handling with detailed response interface. | ## v7.3.6 *April 3, 2025* | Type | Changes | |------|----------| | **Fixed** | • Reafctor: Removed excess logging from transport module. Removed redundant logging from transport layer and added thread id information for tracking http request. | ## v7.3.5 *March 31, 2025* | Type | Changes | |------|----------| | **Fixed** | • Standardize connection configuration to address inconsistent platform defaults leading to socket exhaustion under high load. | ## v7.3.4 *March 28, 2025* | Type | Changes | |------|----------| | **Fixed** | • Fixes issue with subscribe loop when mulitple subscription changes happen rapidly. | ## v7.3.3 *March 26, 2025* | Type | Changes | |------|----------| | **Modified** | • Upgrade Cbor library to latest version. • Additional logging to log pubnub instance configuration through registered custom logger. | ## v7.3.2 *March 26, 2025* | Type | Changes | |------|----------| | **Modified** | • Upgrade newtonsoft json library. | ## v7.3.1 *March 18, 2025* | Type | Changes | |------|----------| | **Modified** | • Removed old deprecated logger code. | ## v7.3.0 *March 11, 2025* | Type | Changes | |------|----------| | **Modified** | • Implemented new logger for enhanced logging. | ## v7.2.1 *February 25, 2025* | Type | Changes | |------|----------| | **Fixed** | • Implemented enhanced cancellation token management for `HttpClient` to allow graceful termination of HTTP requests. | ## v7.2.0 *January 29, 2025* | Type | Changes | |------|----------| | **Added** | • Added new optional parameter `IfMatchesEtag` for `setUUIDMetadata` and `setChannelMetadata`. When provided, the server compares the argument value with the eTag on the server and if they don't match a HTTP 412 error is returned. | | **Fixed** | • Fixes issue of not getting `PNSubscriptionChangedCategory` status when subscription change happens. | ## v7.1.3 *January 23, 2025* | Type | Changes | |------|----------| | **Modified** | • Informative log statements throughout SDK. | ## v7.1.2 *January 21, 2025* | Type | Changes | |------|----------| | **Fixed** | • Fixes issue of receiving duplicate messages when event engine is disabled. | ## v7.1.1 *January 16, 2025* | Type | Changes | |------|----------| | **Modified** | • Refactored event result data parsing logic within the subscribe feature for enhanced performance and maintainability. | ## v7.1.0 *December 4, 2024* | Type | Changes | |------|----------| | **Added** | • Added support for CustomMessageType in publish, signal, files features. • Added support for Type field in membership APIs. | ## v7.0.0 *October 30, 2024* | Type | Changes | |------|----------| | **Added** | • Added support for `Channel`, `ChannelGroup`, `Subscription` and `SubscriptionSet`, `ChannelMetadata`, `UserMetadata` entities for Subscribe related operation. • BREAKING CHANGES: Default Reconnection policy is set to Exponential. • 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* | Type | Changes | |------|----------| | **Fixed** | • Fixes issue of listener not being removed on RemoveListener call. | ## v6.20.1 *May 9, 2024* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Fixed** | • Resolved the issue where an incorrect network status was emitted when no internet connection was detected. | ## v6.19.6 *March 28, 2024* | Type | Changes | |------|----------| | **Fixed** | • Fixes issue of inaccurate DateTime to TimeToken conversion in TranslateDateTimeToPubnubUnixNanoSeconds. | ## v6.19.5 *January 17, 2024* | Type | Changes | |------|----------| | **Fixed** | • Fixes issue of getting exception for custom objects in subscription and history when crypto module is configured. | ## v6.19.4 *November 28, 2023* | Type | Changes | |------|----------| | **Fixed** | • Handle unencrypted message while getting messages with crypto. | ## v6.19.3 *October 31, 2023* | Type | Changes | |------|----------| | **Fixed** | • Fixes issue of applying default serializer settings. | ## v6.19.2 *October 30, 2023* | Type | Changes | |------|----------| | **Modified** | • Changed license to PubNub Software Development Kit License. | ## v6.19.1 *October 24, 2023* | Type | Changes | |------|----------| | **Fixed** | • Fixes issue of getting error when hereNow is called with channelGroups param only. | ## v6.19.0 *October 16, 2023* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Fixed** | • Allow name param as optional in SetChannelMetadata. Removed default empty value. | ## v6.17.0 *July 10, 2023* | Type | Changes | |------|----------| | **Modified** | • Validate json string before deserialization. | ## v6.16.0 *May 18, 2023* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Added** | • Sending files as raw byte arrays. | | **Modified** | • Added TcpKeepAlive and ConnectionLimit to improve performance. | ## v6.14.0 *February 27, 2023* | Type | Changes | |------|----------| | **Modified** | • Undeprecated GrantToken methods/properties. | ## v6.13.0 *December 5, 2022* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Fixed** | • Encode comma char for push related multi channels. | ## v6.11.0 *November 7, 2022* | Type | Changes | |------|----------| | **Modified** | • Added Content-Type to request header to support internal acceptance tests. • Added acceptance tests for ObjectsV2 feature. | ## v6.10.0 *September 6, 2022* | Type | Changes | |------|----------| | **Fixed** | • Add Users/Spaces support to PCL versions. | ## v6.9.0 *August 22, 2022* | Type | Changes | |------|----------| | **Fixed** | • Fix Timer reference conflict in net6.0. | ## v6.8.0 *August 10, 2022* | Type | Changes | |------|----------| | **Fixed** | • Fixed Destroy() method when multiple Pubnub instances were in use. | ## v6.7.0 *July 27, 2022* | Type | Changes | |------|----------| | **Modified** | • Added support for Users/Spaces to GrantToken. | ## v6.6.0 *July 18, 2022* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Fixed** | • Suppress web request aborted exception message to callback. | ## v6.4.0 *May 23, 2022* | Type | Changes | |------|----------| | **Fixed** | • Handle PNConfiguration for multi Pubnub instances. | ## v6.3.0 *March 22, 2022* | Type | Changes | |------|----------| | **Fixed** | • Refactor Telemetry Task Result to GetAwaiter().GetResult() . • Removed SILVERLIGHT, WINDOWS_PHONE preprocessor directive code. | ## v6.2.0 *January 27, 2022* | Type | Changes | |------|----------| | **Modified** | • Bumped PeterO.Cbor library version to 4.5.2. | ## v6.1.0 *January 20, 2022* | Type | Changes | |------|----------| | **Fixed** | • Capture region when exception occur during subscribe. | ## v6.0.0 *January 12, 2022* | Type | Changes | |------|----------| | **Modified** | • BREAKING CHANGES: UUID is mandatory to use SDK. | ## v5.4.0 *December 16, 2021* | Type | Changes | |------|----------| | **Fixed** | • Replaced BouncyCastle lib with System.Security.Cryptography.Algorithms. • Added try/catch for publish operation to catch exceptions. | ## v5.3.0 *November 16, 2021* | Type | Changes | |------|----------| | **Added** | • Added RevokeToken feature. | ## v5.2.0 *November 1, 2021* | Type | Changes | |------|----------| | **Modified** | • Capture region for subscribe. • Removed throw exception on atleast one PAM permission validation. | ## v5.1.0 *October 12, 2021* | Type | Changes | |------|----------| | **Modified** | • Dispose RandomNumberGenerator | | **Added** | • Added PAMv3 support - GrantToken, ParseToken, SetAuthToken. | ## v5.0.1 *July 14, 2021* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Added** | • BREAKING CHANGE - UseRandomInitializationVector is true by default. | ## 4.15.0.0 *May 27, 2021* | Type | Changes | |------|----------| | **Modified** | • Refactored code to handle malformed message for reconnection policy. | ## 4.14.0.0 *May 18, 2021* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Added support to Objects Access Manager | ## 4.11.0.0 *August 27, 2020* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Fix for publish file message • Modified PNFileEventResult model class and applied internal set accessor for models. | ## 4.9.0.0 *July 28, 2020* | Type | Changes | |------|----------| | **Modified** | • Added files feature | ## 4.8.0.0 *June 10, 2020* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Code refactor for Signal, Publish, Fire input validation. | ## 4.6.0.0 *April 30, 2020* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Refactored code related to TMS GetToken and GetTokens • Refactored code to retrieve assembly version | ## 4.3.0.0 *December 12, 2019* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Modified Signal listener message type to PNSignalResult. • Added ObjectsAPI feature. | ## 4.0.32.0 *August 8, 2019* | Type | Changes | |------|----------| | **Modified** | • Async() is deprecated. Use Execute() instead. • Added Signal feature. | ## 4.0.31.0 *July 25, 2019* | Type | Changes | |------|----------| | **Modified** | • Refactored code to encode unsafe chars ignored by EscapeDataString in NET35/NET40 | ## 4.0.30.0 *May 28, 2019* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Fix to retrieve channel name for PNPresenceEventResult when channel group is used | ## 4.0.28.0 *March 28, 2019* | Type | Changes | |------|----------| | **Modified** | • Fix for MessageCounts feature when multiple channels or timetokens are used with PAM enabled keys | ## 4.0.27.0 *March 13, 2019* | Type | Changes | |------|----------| | **Modified** | • Added MessageCounts feature to get count of messages published since a given time | ## 4.0.26.0 *February 14, 2019* | Type | Changes | |------|----------| | **Modified** | • Fix to capture last timetoken when subscribe request timeout/terminated | ## 4.0.25.0 *February 7, 2019* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Code refactor to check null value of variables related to Reconnect usage | ## 4.0.23.0 *October 1, 2018* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Refactored code for performance improvement • Refactored CleanupTelemetryData | ## 4.0.20.0 *August 6, 2018* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Code refactor to maintain separate instance id during multi-instancing | ## 4.0.18.0 *June 20, 2018* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Code refactor related to MultiplexExceptionHandler • Support to Apple Watch • Code refactor related to PubnubInstance | ## 4.0.16.0 *April 9, 2018* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Fix for Publish Sync • Refactored Int32/Int64 Parse to TryParse • Code refactor based on Codacy | ## 4.0.13.0 *January 18, 2018* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Refactored by applying JArray.Parse for history and time json response | ## 4.0.10.0 *December 13, 2017* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Added exception handling for subscribe and unsubscribe internal exceptions | ## 4.0.5.1 *September 26, 2017* | Type | Changes | |------|----------| | **Modified** | • Added new method RemoveAllPushNotificationsFromDeviceWithPushToken • Code refactor on Reconnect • Code refactor based on Codacy recommendation | ## 4.0.4.1 *September 19, 2017* | Type | Changes | |------|----------| | **Modified** | • Added Telemetry feature • Fix for PNPushListProvisionsResult | ## 4.0.3.2 *September 6, 2017* | Type | Changes | |------|----------| | **Modified** | • Added HereNowRefresh to PNPresenceEventResult • PCL version duplicate message fix for multiple disconnect/reconnect | ## 4.0.3.1 *August 18, 2017* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Code refactor to fix subscribe timeout and reconnect | ## 4.0.2.0 *July 5, 2017* | Type | Changes | |------|----------| | **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* | Type | Changes | |------|----------| | **Modified** | • Fix for publish with UsePOST and cipher key • Handling object array for History response | ## 4.0.1.6 *April 15, 2017* | Type | Changes | |------|----------| | **Modified** | • Fix for subscribe connect status callback • Message null value check for publish | ## 4.0.1.5 *April 6, 2017* | Type | Changes | |------|----------| | **Modified** | • Refactored to handle thread blocking | ## 4.0.1.4 *March 31, 2017* | Type | Changes | |------|----------| | **Modified** | • Fix to support Xamarin.Android Pubnub SDK install using Visual Studio | ## 4.0.1.3 *March 29, 2017* | Type | Changes | |------|----------| | **Modified** | • Added code to handle presence interval event • Code refactor per CA2000 code analysis | ## 4.0.1.3-rc13 *March 28, 2017* | Type | Changes | |------|----------| | **Modified** | • Refactored to address false alert log and timeout messages. | ## 4.0.1.3-rc12 *March 16, 2017* | Type | Changes | |------|----------| | **Modified** | • Support for ASP.NET/MVC project template projects. | ## 4.0.1.3-rc11 *March 11, 2017* | Type | Changes | |------|----------| | **Modified** | • Replaced HttpClient with compatible lib for .net 4.5/4.61 to support VS 2013. | ## 4.0.1.3-rc10 *March 8, 2017* | Type | Changes | |------|----------| | **Fixed** | • Comma encoding fix for multi channelgroups • Fixed channel remove from channelgroup | ## 4.0.1.3-rc9 *March 3, 2017* | Type | Changes | |------|----------| | **Fixed** | • Message fix for history when timetoken=false. | ## 4.0.1.3-rc8 *March 2, 2017* | Type | Changes | |------|----------| | **Modified** | • Added pn- prefix to default uuid. | ## 4.0.1.3-rc7 *February 20, 2017* | Type | Changes | |------|----------| | **Fixed** | • pcl profile 111 subscribe message fix. | ## 4.0.1.3-rc6 *February 17, 2017* | Type | Changes | |------|----------| | **Fixed** | • Timetoken fix for subscribed messages. | ## 4.0.1.3-rc5 *February 7, 2017* | Type | Changes | |------|----------| | **Modified** | • HttpClient to supported platforms. | | **Fixed** | • Fixed Unsubscribe issue. | ## 4.0.1.3-rc1 *January 17, 2017* | Type | Changes | |------|----------| | **Modified** | • Derived classes for inline coding. | ## 4.0.1.2-rc1 *December 16, 2016* | Type | Changes | |------|----------| | **Modified** | • Cipher typo, Origin change. | ## 4.0.1.0-rc1 *December 12, 2016* | Type | Changes | |------|----------| | **Modified** | • initial v4 version. |

Fixed

Added MembershipMetadata container inside PNObjectEventResult to correctly parse and forward data when object event type is membership.
Fixed issue where some result objects like PNMessageResult had UserMetadata declared as an object instead of the standard Dictionary<string, object> format for metadata.

Added

Added support for status and type fields for uuid, channel and members app context apis.

Added

Implemented an in-house CBOR solution for ParseToken() handling to reduce total SDK+dependencies size.

Modified

Updated log type from Error to Warn for TaskCanceledException.

Fixed

Improved parsing of file download errors to be properly set in operation status ErrorData.

Added	Added new integration tests to better cover all SDK endpoints.
Fixed	Fixed an issue when upon receiving a message with published with a custom type the CustomMessageType would be null upon receiving.

Fixed

Fix missing heartbeat and leave REST API calls when the event engine is enabled and presenceTimeout or presenceHeartbeatInterval not set.

Fixed

Specified dependency version for fixing synk reported issues.

Modified

Changed the way the PubNub logger is injected into IHtttpClientService for better custom-transport-layers handling.

Modified

Subscribe with custom timetoken scenario handling improvements.

Modified

Enhance request handling with detailed response interface.

Fixed

Reafctor: Removed excess logging from transport module. Removed redundant logging from transport layer and added thread id information for tracking http request.

Fixed

Standardize connection configuration to address inconsistent platform defaults leading to socket exhaustion under high load.

Fixed

Fixes issue with subscribe loop when mulitple subscription changes happen rapidly.

Modified

Upgrade Cbor library to latest version.
Additional logging to log pubnub instance configuration through registered custom logger.

Modified

Upgrade newtonsoft json library.

Modified

Removed old deprecated logger code.

Modified

Implemented new logger for enhanced logging.

Fixed

Implemented enhanced cancellation token management for HttpClient to allow graceful termination of HTTP requests.

Added	Added new optional parameter `IfMatchesEtag` for `setUUIDMetadata` and `setChannelMetadata`. When provided, the server compares the argument value with the eTag on the server and if they don't match a HTTP 412 error is returned.
Fixed	Fixes issue of not getting `PNSubscriptionChangedCategory` status when subscription change happens.

Modified

Informative log statements throughout SDK.

Fixed

Fixes issue of receiving duplicate messages when event engine is disabled.

Modified

Refactored event result data parsing logic within the subscribe feature for enhanced performance and maintainability.

Added

Added support for CustomMessageType in publish, signal, files features.
Added support for Type field in membership APIs.

Added

Added support for Channel, ChannelGroup, Subscription and SubscriptionSet, ChannelMetadata, UserMetadata entities for Subscribe related operation.
BREAKING CHANGES: Default Reconnection policy is set to Exponential.
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.

Fixed

Fixes issue of listener not being removed on RemoveListener call.

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).

Added

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

Fixed

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

Fixed

Fixes issue of inaccurate DateTime to TimeToken conversion in TranslateDateTimeToPubnubUnixNanoSeconds.

Fixed

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

Fixed

Handle unencrypted message while getting messages with crypto.

Fixed

Fixes issue of applying default serializer settings.

Modified

Changed license to PubNub Software Development Kit License.

Fixed

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

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.

Fixed

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

Modified

Validate json string before deserialization.

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.

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

Modified

Undeprecated GrantToken methods/properties.

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.

Fixed

Encode comma char for push related multi channels.

Modified

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

Fixed

Add Users/Spaces support to PCL versions.

Fixed

Fix Timer reference conflict in net6.0.

Fixed

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

Modified

Added support for Users/Spaces to GrantToken.

Modified

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

Fixed

Suppress web request aborted exception message to callback.

Fixed

Handle PNConfiguration for multi Pubnub instances.

Fixed

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

Modified

Bumped PeterO.Cbor library version to 4.5.2.

Fixed

Capture region when exception occur during subscribe.

Modified

BREAKING CHANGES: UUID is mandatory to use SDK.

Fixed

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

Added

Added RevokeToken feature.

Modified

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

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

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.

Added

BREAKING CHANGE - UseRandomInitializationVector is true by default.

Modified

Refactored code to handle malformed message for reconnection policy.

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.

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

Modified

Added support to Objects Access Manager

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

Modified

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

Modified

Added files feature

Modified

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

Modified

Code refactor for Signal, Publish, Fire input validation.

Modified

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

Modified

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

Modified

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

Modified

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

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.

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.

Modified

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

Modified

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

Modified

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

Modified

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

Modified

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

Modified

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

Modified

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

Modified

Fix to capture last timetoken when subscribe request timeout/terminated

Modified

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

Modified

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

Modified

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

Modified

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

Modified

Refactored code for performance improvement
Refactored CleanupTelemetryData

Modified

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

Modified

Code refactor to maintain separate instance id during multi-instancing

Modified

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

Modified

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

Modified

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

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

Modified

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

Modified

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

Modified

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

Modified

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

Modified

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

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

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

Modified

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

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

Modified

Added exception handling for subscribe and unsubscribe internal exceptions

Modified

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

Modified

Added Telemetry feature
Fix for PNPushListProvisionsResult

Modified

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

Modified

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

Modified

Code refactor to fix subscribe timeout and reconnect

Modified

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

Modified

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

Modified

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

Modified

Refactored to handle thread blocking

Modified

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

Modified

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

Modified

Refactored to address false alert log and timeout messages.

Modified

Support for ASP.NET/MVC project template projects.

Modified

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

Fixed

Comma encoding fix for multi channelgroups
Fixed channel remove from channelgroup

Fixed

Message fix for history when timetoken=false.

Modified

Added pn- prefix to default uuid.

Fixed

pcl profile 111 subscribe message fix.

Fixed

Timetoken fix for subscribed messages.

Modified	HttpClient to supported platforms.
Fixed	Fixed Unsubscribe issue.

Modified

Derived classes for inline coding.

Modified

Cipher typo, Origin change.

Modified

initial v4 version.