ZIM release notes

Version 2.18.2

Release date: 2024-11-06

Enhancement

Known issues fixed.

Version 2.18.0

Release date: 2024-10-15

New features

Feature	Description	Method
Group alias	Users can set group aliases that are only visible to themselves for a specific group. For more details, please refer to Manage group info - Modify the group alias.	updateGroupAlias groupAliasUpdated
User online status	Users can continuously monitor the online status changes of other users by subscription, query the current online statuses of other users, and also query their own subscription list. In addition, in the scenario of multi-device login, users can listen for changes in their online platforms. For more details, please refer to Online Status Subscription.	subscribeUsersStatus userStatusUpdated unsubscribeUsersStatus queryUsersStatusByUserIDs querySubscribedUserStatusListWithConfig
Get room user avatars	Users can query the avatar information of other users in a room using the `userAvatarUrl` property of the `ZIMRoomMemberInfo` class.	ZIMRoomMemberInfo > userAvatarUrl
Switch rooms	ZIM supports using the `switchRoomFromRoomID` method to switch rooms, suitable for smooth room switching scenarios such as instant joining a room. For more details, please refer to Manage rooms - Switch Rooms	switchRoomFromRoomID
Query user information on the server	ZIM supports querying user information on the server by user ID. The user information include user name, user avatar, and extended fields.	Query user information
Recall a room message on the server	ZIM supports recalling room messages on the server.	Recall a room message

Enhancement

Item	Description	Method
Optimization of the initial conversation list retrieval time	We have enhanced the efficiency of fetching the initial conversation list upon user login, resulting in a significantly reduced wait time and an improved overall user experience.	queryConversationListWithConfig
Enhancement of the server API response parameter for sending group messages	We have added a new response parameter `MsgId` for the server API `SendGroupMessage`, which can be used to locate messages.	Send Group Messages
Improvement of parameters of callback on message sent	When a message fails to send, the `msg_id` parameter in the callback on message sent will no longer be empty.	Callback on message sent
Retrieving the message extension field from the server	Through the `payload` parameter in the server callback on not sent yet, ZIM supports retrieving the extension field passed by users when sending messages.	Callback on not sent yet
Increased length limit for `ExtendedData` in `MessageBody`	The default maximum length of `ExtendedData` in the `MessageBody` structure is 1 KB. If you need to increase it, please contact ZEGOCLOUD technical support.	MessageBody Introduction

Deprecation

Item	Description	Method
Deprecation of callbacks for receiving message in one-to-one, room, and group chats	The callbacks of `receivePeerMessage`, `receiveGroupMessage` and `receiveRoomMessage` have been deprecated, please use the following callbacks instead: peerMessageReceived, groupMessageReceived, and roomMessageReceived. Note Please refer to ZIM Upgrade Guide for details on callback changes.	peerMessageReceived groupMessageReceived roomMessageReceived

Version 2.17.1

Release date: 2024-08-15

Enhancement

Known issues fixed.

Version 2.17.0

Release date: 2024-08-02

New features

Feature	Description	Method
Conversation Marking	Supports users to mark conversations, suitable for scenarios where users need to pay attention to certain conversations or cannot handle certain conversations. This feature can be used to group conversations by setting the same mark for multiple conversations. For client implementation, please refer to Mark Conversations. For server implementation, please refer to Set Conversation Marks.	setConversationMark Set Conversation Marks
Query Conversation List	Supports filtering conversation list by mark, conversation type, and whether it contains unread messages. For more details, please refer to Mark Conversations.	queryConversationListWithConfig
Query Total Unread Message Count By Marks	Supports filtering unread message count by mark. For more details, please refer to Mark Conversations.	queryConversationTotalUnreadMessageCountWithConfig
Reply to Message	Supports users to reply to a specific message within a conversation. Currently supports replying with text, image, file, audio, video, merged, and custom messages. In addition, users can also query the reply tree to get the complete list of replied messages. For more details, please refer to Reply to a message.	replyMessage queryMessageRepliedListByMessage
Get Specific Message List	Supports querying a specific list of historical messages, suitable for scenarios where users need to understand the context of a certain message. For more details, please refer to Get message history	queryMessagesByMessageSeqs
Sender Unaware When Sending Messages by Server APIs	Newly adds `SenderUnaware` field, allowing the client corresponding to the `FromUserId` (sender's user ID) in the request parameters to be unaware of the sending of the peer-to-peer message sent by the server.	Send a one-to-one message

Version 2.16.0

Release date: 2024-05-31

New features

Feature	Description	Method
Server-side management of call invitations	Supports initiating, accepting and rejecting call invitations on the server side.	Send a call invitation Accept a call invitation Reject a call invitation
Server-side management muting	Supports muting groups and specific group members on the server.	Mute a group Mute group members
Server-side setting group member roles	Supports modifying group member roles on the server.	Set group member roles

Enhancement

Item	Description	Method
Optimize receipts	Includes real-time perception of receipt expiration status, supports offline query of receipt details, and supports query of group receipt details for groups with more than 100 members;	queryGroupMessageReceiptReadMemberListByMessage queryGroupMessageReceiptUnreadMemberListByMessage
Call invitation	Supports users to pass in a specified userID through the callCancelWithInvitees interface when making advanced call invitations, and only cancel the call for this user without affecting the global call status.	callCancelWithInvitees

Version 2.15.0

Release date: 2024-03-29

New features

Item	Description	Method
Group role	New group role "Administrator" has the upper limit of most group leaders. It can modify the nicknames of ordinary group members, withdraw messages from ordinary group members, kick people, and ban individual group members and specific group roles. To learn about group roles and corresponding permissions, please refer to Manage group members- Set Group Member Roles	setGroupMemberRole
Group verification	ZIMGroupAdvancedConfig New attributes joinMode, inviteMode and beInviteMode supports setting the group verification mode, invitation mode, and invitation target user verification mode when creating a group, making it easier for group owners and administrators to restrict external users from joining the group. When the group's group membership verification mode is modified to require the target user's approval, users in the group need to initiate a group invitation application to external users and wait for the target user's approval. When the group's invitation target user verification mode is modified to require approval by the group owner and administrator, external users initiate a group application, which must be approved by the group owner or administrator. Support users to query lists related to group membership applications. Supports calling client API and server API to update the above mode after the group is created. For details on interface calling, please refer to Manage groups.	createGroup ZIMGroupAdvancedConfig > joinMode ZIMGroupAdvancedConfig > inviteMode ZIMGroupAdvancedConfig > beInviteMode sendGroupJoinApplicationToGroupID acceptGroupJoinApplicationFromUserID rejectGroupJoinApplicationFromUserID sendGroupInviteApplicationsToUserIDs acceptGroupInviteApplicationFromInviterUserID rejectGroupInviteApplicationFromInviterUserID queryGroupApplicationListWithConfig updateGroupJoinMode updateGroupInviteMode updateGroupBeInviteMode Modify group specification limits
Tips Message	Supports converting certain group operations of users in the group (such as creating groups, disbanding groups, etc.) into special types of messages (Tips). After obtaining the operation information through the group message callback, developers can construct and display the description text of the related events on the UI. For information on Tips message types and extended information, as well as post-reception processing operations, please refer to Receive tip messages.	ZIMMessageType > ZIMMessageTypeTips\| _blank receiveGroupMessage
Custom push rules	Support users to decide the platforms that need to receive offline push in multi-terminal login scenarios, and query the current offline push rules. For details on interface calling, please refer to Set custom push rules.	updateUserOfflinePushRule querySelfUserInfo
Message export and import	Supports exporting historical messages from the user's local terminal as a backup, which can be used to migrate chat records when changing devices, or restore deleted messages. For details on interface calling, please refer to Export and import messages	exportLocalMessagesToFolderPath importLocalMessagesToFolderPath
Cache Management	Supports querying the local cache file size of the currently logged in user and clearing the local cache. For details on interface calling, please refer to Cache management.	queryLocalFileCacheWithConfig clearLocalFileCacheWithConfig
Exit all rooms	Supports users to exit all rooms at once in multi-room scenarios; it can also be used in scenarios where developers exit a single room without passing in the roomID in advance.	leaveAllRoom
Data migration	Supports users to migrate user data to ZIM service through the ZIM server interface. For the implementation plan, please refer to Migration solution.	-
Server-side query session list	Supports paging query of the user's latest 1000 conversations (one-to-one chats and group chats) on the server side.	Query Conversation List
Query historical messages on the server	Support paging query of the historical message list of the user-specified single chat or group chat session on the server.	Query the message list of one-on-one chats Query the message list of group chats
Modify group specifications on the server side	Support modifying the group's entry verification mode, invitation mode, invitation target verification mode and upper limit of group members on the server side.	Modify group specification limit

Enhancement

Item	Description	Method
Detect whether the invitation has been delivered	Support configuring the parameter enableNotReceivedCheck when initiating a call invitation to detect whether the call reaches the called party, so that the caller can quickly perceive the called network status and implement prompts.	ZIMCallInviteConfig > enableNotReceivedCheck
New parameters for server-side create group interface	Added `CreateGroupTime` parameter to support setting events for group creation.	Create a group
Added new parameters to the server-side interface for adding group members	Added the `GroupMemberInfos` parameter to support defining the group joining time and group joining mode of users who join the group.	Add group members

Version 2.14.1

Release date: 2024-03-05

Enhancement

Known issues fixed.

Version 2.14.0

Release date: 2024-02-02

New features

Item	Description	Method
Forwarding messages	Users can construct a merged message body and pass it to the send message API to forward merged messages. Note: If you want to forward messages one by one, you can simply pass the existing message as a parameter to the send message API. Supports querying the specific content of sub-messages included in a merged message.	ZIMCombineMessage sendMessage queryCombineMessageDetailByMessage
Send and receive @ messages	Users can mention specific users (who may not be in the current conversation) or mention all members in a conversation when sending a message.	ZIMMessage > mentionedUserIDs ZIMMessage > isMentionAll
Deleting messages	Users can delete all messages in a conversation at once.	deleteAllConversationMessagesWithConfig
Saving conversation drafts	ZIM allows users to save conversation drafts locally even after exiting one-on-one or group chat conversations for future editing.	setConversationDraft
Do not disturb for one-on-one conversations	In addition to "Do Not Disturb" for group conversations, ZIM now supports setting "Do Not Disturb" for one-on-one conversations. Users will not receive notifications for new messages in one-on-one conversations.	setConversationNotificationStatus
Muting	Supports group owners to mute groups and mute specific group members. Muting groups can be applied to all members, ordinary members, or members with specific roles.	muteGroup muteGroupMembers
Friend management	Users can directly add and delete friends, view friend lists, send friend requests to users, accept or reject friend requests, view friend request lists, check the friend relationship between other users and themselves, query or modify friend information, and search for friends.	addFriendByUserID deleteFriendsByUserIDs sendFriendApplicationToUserID acceptFriendApplicationFromUserID rejectFriendApplicationFromUserID checkFriendsRelationByUserIDs queryFriendListWithConfig queryFriendApplicationListWithConfig updateFriendAlias updateFriendAttributes queryFriendsInfoByUserIDs searchLocalFriendsWithConfig
Set sensitive word filtering	After enabling the security audit, developers can add additional sensitive words. When a user sends a message containing sensitive words, the message will be audited, and the content may be replaced or intercepted. Note: To use this feature, please contact the ZEGOCLOUD technical support team.	-
Server-side Conversation Muting	Supports setting the mute notification status for group chat and one-on-one conversations on the server-side.	Mute notifications for conversations
Pin conversations on the server side	Supports setting the pinned status for user conversations on the server side.	Pin conversations to the top
Modify group information on the server side	Supports modifying the avatar, name, and announcement of a pinned group on the server side. Note: To use this feature, please contact the ZEGOCLOUD technical support team.	-
Manage friends on the server side	Supports adding and deleting friends for users, querying the friend list, checking friend relationships, and updating friend aliases and attributes.	Batch add friends Batch send friend requests Batch delete friends Query the friend list Check friendships Change the alias of a friend Modify the attributes of a friend
Manage blacklist on the server side	Supports batch blocking and unblocking users, querying the blacklist, and checking blacklist relationships for users.	Batch block users Batch unblock users Query the blocklist Check blockships

Version 2.13.1

Release date: 2024-01-12

Enhancement

Known issues fixed.

Version 2.13.0

Release date: 2024-01-05

New features

Feature	Description	Method
Multi-device login	The "multi-device login" strategy supports configuring the logic for kicking each other out. Currently, it only supports kicking out between Android and iOS devices, as well as between Windows and Mac devices.	loginWithUserID
Offline login	Supports users to login to the IM service and access local SDK data while being offline.	loginWithUserID
Blacklist management	You can query your own blacklist, block specific users (no longer receive messages from them), remove users from the blacklist, and check if a specific user is in the blacklist.	queryBlacklistWithConfig addUsersToBlacklistWithUserIDs removeUsersFromBlacklistWithUserIDs checkUserIsInBlackListByUserID
Insert local message	Support inserting local messages into room conversations.	insertMessageToLocalDB
Call Invitation	Add callback callInvitationCreated. The initiator of the call invitation can know that the call invitation has been created by listening to this callback.	callInvitationCreated
Server-side message retraction	Supports calling the interface from the server to retract one-on-one messages and group chat messages.	Recall a one-to-one message Recall a group message
Server-side user profile modification	Supports calling the interface from the server to modify user profile information, including user nickname, avatar, etc.	Modify user information

Enhancement

Item	Description	Method
Optimize roomID length limitation	Supports a maximum length of 128 bytes for roomID.	ZIMRoomInfo > roomID
Added user avatar field to user information related classes	ZIMUserInfo and ZIMGroupMemberInfo added `userAvatarUrl` field, which is used to set or describe the user avatar address. Warning: The user avatar field for room members is currently not supported. This means that the `userAvatarUrl` in the `ZIMUserInfo` obtained through queryRoomMemberListByRoomID and queryRoomMembersByUserIDs will be empty.	ZIMUserInfo ZIMGroupMemberInfo
Added new response parameters to the server interface for sending one-to-one chat messages	Added the `SuccessList` parameter, with member parameters including `UserId`、`MsgId` and `MsgSeq`, to provide information about users who have successfully received the message. `MsgSeq` can be used for Recall a one-to-one message.	Send a one-to-one messages
Added new response parameters to the server interface for sending group chat messages	Added `MsgSeq`, which can be used to Recall a group message.	Send group messages
New field for server callback after the message is sent	Added `user_list` field, used to return messages in batches to receive user information. Warning: Only when developers call the server interface Send a one-to-one message, this field will have a value.	Callback on message sent
Optimize the call back logic of roomStateChanged	When developers call the ZIM server API to destroy a room in the backend, the callback roomStateChanged that describes the room state change reason is modified to`ZIMRoomEventRoomNotExist`.	roomStateChanged

Deprecation

Item	Description	Method
Abandon the `loginWithUserInfo` interface	Abandon the old login interface and add a new login interfaceloginWithUserID. The new version of the login interface supports more configurations through ZIMLoginConfig, such as whether to use Token authentication and whether to log in offline.	loginWithUserID
Part of the user information-related classes have deprecated the old avatar field.	ZIMGroupMemberInfo deprecated `memberAvatarUrl`. Please use the new field `userAvatarUrl`. ZIMUserFullInfo The `userAvatarUrl`，is deprecated. Please retrieve `userAvatarUrl` from `baseInfo`.	ZIMGroupMemberInfo ZIMUserFullInfo

Version 2.12.1

Release date: 2023-11-29

Enhancement

Known issues fixed.

Version 2.12.0

Release date: 2023-11-20

New features

Feature	Description	Method
Geofencing	Provides geofencing services, ensuring that IM data is stored locally and suitable for high-security overseas scenarios.	setGeofencingConfig
Group message management	Supports automatic retrieval of group history messages for new members joining the group. Note: If you need to use this feature, please contact the ZEGOCLOUD technical support team for configuration.	joinGroup inviteUsersIntoGroup
Read all with one click	Supports clearing the unread message count and total unread message count for all conversations.	clearConversationTotalUnreadMessageCount
Call invitation	Supports calling external users to join advanced mode calls or calling internal users to switch devices.	callJoin
Delete all conversation lists	Supports clearing the current conversation list.	deleteAllConversationsWithConfig
Server-Side API for adding group members	Supports adding specified users to a group.	Add group members
Server-side API for dismissing a group	Supports dismissing a specified group.	Disband a group chat
Server-side API for transferring group ownership	Supports transferring group ownership to a specified group member.	Transfer the group ownership
Server-side API for setting group member nickname	Supports setting the nickname for a specified group member.	Set nicknames of group members
Server-side message with receipt	When sending one-to-one messages or group messages through the server, you can attach a receipt to know if the message has been read. Supported message types include text, image, file, audio, video, and custom messages. For more details, please refer to MessageBody introduction.	Send a one-to-one message Send group messages
Server-Side login and logout callback	When a user logs in or logs out, the ZIM server will actively notify the developer's server through callbacks.	Login and logout callback
Offline push to all users	When using the server-side API for pushing messages to all users, you can choose the push type to achieve offline push.	Push message to all users

Enhancement

Item	Description	Method
Login logic optimization	Optimized the login logic to avoid multiple devices kicking each other out in weak network environments.	-
Server callback for call creation	The server callback for call creation now includes the `caller` field, which indicates the user who initiated the call. For more details, please refer to Callback on call invitation sent.	-

Version 2.11.0

Release date: 2023-10-26

New features

Feature	Description	Method
Multi-device login	Support for configuring dual-platform or multi-platform login strategies allows users to log in to the same account on multiple platforms or devices simultaneously, enabling data synchronization for sessions, messages, groups, and other features across multiple devices. For more information on the impact of multi-platform login on other functions, please refer to Multi-device login. Note: This feature is only supported for users of the Professional or Ultimate packages and they must contact the ZEGOCLOUD technical support team to configure the login policy.	loginWithUserInfo

Enhancement

Item	Description	Method
Added support for server-Side signaling message types	Supports sending binary signaling messages encoded in base64 through the server. For more details, please refer to MessageBody introduction.	-
Optimized logic for unpinning conversations	After deleting a pinned conversation, the pinned status of the conversation(ZIMConversation > isPinned)will not be automatically changed to `No`. When there are new messages in this conversation and it appears in the conversation list again, it will still be a pinned conversation.	-

Version 2.10.0

Release date: 2023-08-31

New features

Feature	Description	Method
Respond to messages with emoticons	Supports responding to messages with emoticons in one-on-one chats and group chats. It can be used for scenarios such as replying with emojis and initiating group polls or confirming group results. Additionally, it supports deleting one's own reactions and querying user information related to a specific reaction.	addMessageReaction deleteMessageReaction queryMessageReactionUserListByMessage
Sender unaware for server-side peer messaging	Added the `SenderUnaware` field, which allows the client associated with the `FromUserId`(sender's user ID) to be unaware of the server-side peer message being sent.	Send one-to-one messages
Server-side broadcast messaging	Supports sending messages with specific content, such as text and images, to all online users, including the message sender. This feature is suitable for scenarios like broadcasting announcements or displaying cross-room gift animations.	Push message to all users broadcastMessageReceived
The server has added a new interface to query whether the user is in the room	This interface supports querying whether a specified user is present in the target room.	Query whether a user is in a room

Enhancement

Item	Description	Method
Adjusting the maximum length of user nickname, UserName	Extended from 64 bytes to 256 bytes, supports longer nicknames, applicable to ZIM SDK version 2.0.0 and later.	ZIMUserInfo > userName

Version 2.9.0

Release date: 2023-07-18

New features

Feature	Description	Method
Call invitation new mode	Added advanced mode, supports inviting, exiting, and ending calls during a call.	callingInviteWithInvitees callQuit callEnd
Revoke other's message	In group conversations, the group owner can revoke messages sent by others.	revokeMessage
Get room member information	Supports calling server-side API to get information about room members based on room ID, including the number of users in the room, user IDs, and names.	Obtain information about users in a room
Server-side message sending API now supports more message types	Supports sending image, file, audio, video, custom, and barrage message types through the server-side API. For details, please refer to MessageBody introduction.	Send a one-to-one message Send group messages Send room messages
Download external rich media messages	Supports calling the downloadMediaFileWithMessage API to download rich media messages through external URLs.	downloadMediaFileWithMessage
Set message extension fields	Added message extension fields that are only visible on the local end, supports updating this field, can be used to display message translation status or other content.	localExtendedData updateMessageLocalExtendedData
Search local messages	Search local messages in individual or all 'one-to-one' and 'group' conversations based on keywords, user IDs, and other conditions, and retrieve a list of messages that meet the criteria; can also search conversations based on local messages.	searchLocalMessagesByConversationID searchGlobalLocalMessagesWithConfig searchLocalConversationsWithConfig
Search groups	Supports searching for group names based on keywords, and also supports including group member names and nicknames in the search scope.	searchLocalGroupsWithConfig
Search group members	Supports searching for group members' names in a specific group based on keywords, and also supports including group members' nicknames in the search scope.	searchLocalGroupMembersByGroupID

Enhancement

Item	Description	Method
Call invitation reception callback	Optimize the regular mode of call invitation, support offline users to receive call invitations and be immediately notified upon going online within the timeout period of the call invitation.	callUserStateChanged

Deprecation

Method	Description	Change version
callInvitationAccepted callInvitationRejected callInviteesAnsweredTimeout	To facilitate developers to monitor the call status changes of users in call invitations, callUserStateChanged is added to replace the original call invitation callbacks `callInvitationAccepted`、`callInvitationRejected` and `callInviteesAnsweredTimeout`.	2.9.0

Version 2.8.0

Release date: 2023-05-23

New features

Feature	Description	Method
Pin conversation	Users can choose conversations they want to prioritize and pin them at the top of the conversation list.	updateConversationPinnedState queryConversationPinnedListWithConfig
Custom message types	Added custom message types, developers can define their own message types, such as voting, chain reaction, video card, etc., and handle message parsing themselves. ZIM SDK does not define or parse the specific content of custom messages.	ZIMCustomMessage
Query conversation information	Query detailed information of a conversation by specifying the conversation ID.	queryConversation
Query user status in a room	By specifying multiple user IDs and the room ID, query whether the target users are in the specified room, in order to design business logic such as inviting for co-live streaming. Note: Supports querying information of up to 10 users at a time.	queryRoomMembersByUserIDs
Pre-send message callback	By setting server-side callbacks, when users send one-on-one, group, or room chat messages, ZIM sends requests to the developer's server. Developers can implement: Intercepting inappropriate messages. Establishing user blacklists and whitelists.	Callback on message not sent yet
Post-send message callback	By setting server-side callbacks, after users successfully or unsuccessfully send one-on-one, group, or room chat messages, ZIM sends requests to the developer's server. Developers can implement: Real-time recording of messages sent by users. Statistics of messages sent by users. In live streaming and screen recording scenarios, embedding chat records into recorded videos using timestamps.	Callback on message sent
Batch user registration	Supports calling server-side APIs to specify user information (user ID, etc.), allowing developers to register multiple users with a single request. Note: Supports registering up to 100 users at a time.	Batch register users
Query group list under an app	Supports calling server-side APIs to retrieve the IDs of all groups in the app.	Query group list in the app
Query group member list	Supports calling server-side APIs to specify the group ID and retrieve the member list of the corresponding group.	Query group member list
Remove group members	Supports calling server-side APIs to specify the group ID and user ID, and remove group members in batch. Note: Supports removing up to 50 group members at a time.	Remove group member

Deprecation

Item	Description	Method
Deprecated system message types	ZIMMessageType (value 30) have been deprecated. Developers are advised to use more versatile custom messages (value 200) instead.	ZIMMessageTypeCustom

Other Matters

1. Starting from version 2.8.0, ZIM no longer supports macOS versions below 11.0. Developers should set their macOS Deployment Target (minimum supported version) to macOS 10.13.

For more details, please refer to App Store submission requirement starts April 25 and Xcode 14 Release Notes.

Version 2.7.1

Release date: 2023-03-15

Enhancement

Known issues fixed.

Version 2.7.0

Release date: 2023-03-07

Enhancement

Item	Description	Method
Optimization of clearing userName during user login	Distinguish between the interface for modifying the username and the interface for logging in. When a user logs in and clears the userName, the userName will no longer be modified, optimizing the user login experience.	userName
Optimization of session message fetching timing	The SDK intelligently detects the user's session activity to optimize the timing of data synchronization, improving user query speed and experience.	-
Optimization of network reconnection timing	After the APP loses network connection, the SDK will continuously detect changes in network status and the foreground/background status of the APP, speeding up the user's reconnection process.	-

Version 2.6.0

Release date: 2023-01-17

New features

Feature	Description	Method
Added server callbacks related to call invitation	You can confirm the results of the call invitation via the server callbacks provided by In-app Chat, which suits the call invitations made in a weak network condition (results returned by the SDK can be volatile).	Callback on call invitation sent Callback on call invitation canceled Callback on call invitation accepted Callback on call invitation rejected Callback on call invitation timed out
Extended fields are added to the message body	The extendedData field is added to the ZIMMessage, which enables the user avatars and nicknames to be passed in this field, and those can be displayed in real time when sending messages.	extendedData
Added the callback for the message sending status	You can refine the logic of message sending status by listening for this callback. You can design UI logic to notify users when the message status changes.	messageSentStatusChanged

Enhancement

Item	Description	Method
Optimized the logic of message sending under weak network conditions	When a message is sent on a weak network condition, the SDK uses policy logic to ensure the message sending status as much as possible.	-

Version 2.5.0

Release date: 2022-11-30

New features

Feature	Description	Method
Message recall	Sent messages can be recalled within 2 minutes by default. This is only supported in one-on-one chats and group chats. Note: To customize the recall time, please contact ZEGOCLOUD technical support.	revokeMessage messageRevokeReceived
Read receipts	ZIMMessageSendConfig Added the hasReceipt parameter to allow sending messages with receipts in one-on-one and group chats. In-app Chat SDK supports checking whether a user has read locally sent messages In a one-on-one chat and a group chat, as well as the number of read and unread messages in a group chat and the corresponding user information. Receipts for signaling messages, barrage messages, and in-room messages are not supported.	ZIMMessageSendConfig sendMessageReceiptsRead sendConversationMessageReceiptRead queryGroupMessageReceiptReadMemberListByMessage queryGroupMessageReceiptUnreadMemberListByMessage queryMessageReceiptsInfoByMessageList
Receives push notifications for all offline call invitations	Add the pushConfig parameter to support push call invitations to offline users. Offline users need to use the ZPNs SDK together to accept call invitations.	ZIMCallInviteConfig

Enhancement

Feature	Description	Method
Improved Swift API naming	For Swift, In-app Chat SDK manually corrects the existing Swift APIs automatically generated by the Objective-C interface to avoid API ambiguity caused by the interface automatically generated by XCode. Note: If you are using Swift to integrate In-app Chat SDK 2.5.0 and the interface fails to compile, just follow the instructions of your IDE.	-
Changed the name of the extra field of ZIMPushConfig	To avoid confusion, the extendedData parameter of ZIMPushConfig is changed to payload, and the functionality remains the same. When you use the ZPNs SDK, you can retrieve additional fields passed in by the sender via the payload field in extras on the vendor channel. Note: After integrating In-app Chat SDK 2.5.0, if you use the offline push function and the interface fails to compile, please change the extendedData to payload.	-
Optimized the rich media message transfer protocol	The protocol packet size during network transmission is reduced.	-
Optimized the API thread safety	-	-

Version 2.4.0

Release date: 2022-10-10

New features

Feature	Description	Method
Manage in-room user properties	Support room users to customize user properties. For example, user level, badge, status, etc.	setRoomMembersAttributes queryRoomMembersAttributesByUserIDs queryRoomMemberAttributesListByRoomID
System message added	The message type of the system message was added, and the SDK was supported to trigger the notification of entering the group, the change of the group owner, and other system messages.	-
Inserting local messages	Support for inserting a message of any message type directly into the local. You can convert callback notifications (e.g., invite someone to a group, remove someone from a group, etc.) into system messages on the client side and insert them into the local database to achieve the effect of system prompts.	insertMessageToLocalDB

Enhancement

Feature	Description	Method
Method for sending message is optimized	Optimized message object to be the same object before and after sending. When you are sending a large message such as a video, you can cache the message object before the message is uploaded. When you receive the SDK notification of successful delivery, you can achieve the effect of Loading before sending by comparing the objects to be the same.	sendMessage
Logic of reconnection after disconnection is optimized	The logic for no-network status and reconnection after disconnection is optimized.	-
Performance optimized	Optimized database performance.	-

API method changes

New methods

Method	Description	Change version
loginWithUserInfo	A new loginWithUserInfo method without a Token parameter is added. When you use the "AppSign" authentication mode, you can directly use this method to log in to In-App Chat.	2.4.0
sendMessage	New method to send messages, support one-to-one, in-room, and group messages.	2.4.0
sendMediaMessage	A new rich media message sending interface sendMediaMessage (overloaded with the same name) was added, which supports getting the information before media uploading and can send rich media information such as files, pictures, audio, and video.	2.4.0

Deprecation

Method	Description	Change version
sendPeerMessage sendRoomMessage sendGroupMessage	The method for sending one-to-one, in-room, and group messages (sendPeerMessage, sendRoomMessage, sendGroupMessage) are abandoned. We will be unified using the sendMessage interface, making a more standard way of sending a message.	2.4.0
sendMediaMessage	The original sendMediaMessage method for sending rich media messages is deprecated and replaced by the sendMediaMessage method with the same name. The parameters are different, please pay attention to the change.	2.4.0

Version 2.3.0

Release date: 2022-08-12

New features

Feature	Description	Method
Added extension fields	Support users to set their own personal information through the extension field, such as user profile picture, personality signature, gender, and other personal information.	updateUserExtendedData
Added avatar field	In the user information and group related methods, the avatar field has been added, users can upload their own avatar, or custom group avatar.	updateUserAvatarUrl ZIMUserFullInfo updateGroupAvatarUrl ZIMGroupInfo ZIMConversation
Supports AppSign authentication mode	The AppSign authentication mode is supported on iOS, Android, macOS, and Windows, which facilitates the integration process. When authentication, you only need to call the createWithAppConfig method and fill in the AppSign you get, and you can use the In-app Chat service when authentication is passed. createWithAppConfig
Support to set the width and height of image/video messages	Make it more convenient to design the display effect of the picture: Image message: support to set the width and height of the "original image", the width and height of the "detail image", and the width and height of the "thumbnail". Video message: support to set the width and height of the "first frame".	ZIMImageMessage ZIMVideoMessage
Added a method for singleton instance object	This allows you to get the In-app Chat instance object easier.	getInstance

Enhancement

Feature	Description	Method
Logic optimized	Improved API logic when the network is disconnected. Optimizes the logic for getting a list of room members.	-
Performance optimized	Thread switching performance is optimized	-

API method changes

Deprecation

Method	Description	Change version
createWithAppID	The original createWithAppID method has been deprecated and replaced with createWithAppConfig, which allows you to pass in AppSign for authentication and make the integration easier.	2.3.0

Version 2.2.0

Release date: 2022-07-29

New features

Feature	Description	Method
Change username	Supports changing usernames.	updateUserName ZIMUserInfo
Query user profile	Supports users to query profiles, such as username, and status updates.	queryUsersInfo ZIMUserFullInfo
Query the number of group members	Supports querying the number of group members.	queryGroupMemberCountByGroupID

Version 2.1.5

Release date: 2022-06-15

New features

Feature	Description	Method
Content moderation	Supports moderating the text messages, and images in one-on-one, group, and room chat. The mechanism can help moderate the following inappropriate content: Sex solicitation, terrorism, violence, advertisements, and more.	sendPeerMessage sendGroupMessage sendRoomMessage sendMediaMessage

Enhancement

Known issues fixed.

Version 2.1.0

Release date: 2022-05-13

New features

Feature	Description	Method
Send & Receive rich media content	Supports sending and receiving messages of different rich media types, such as images, audio, video, and files.	`sendMediaMessage` `downloadMediaFileWithMessage`
Automatic room creation	When entering a room, supports automatic room creation when the room does not exist.	`enterRoom`

Enhancement

Item	Description	Method
Member property of `ZIMMessage` enhanced	The member property of the ZIMMessage object is changed to read-only. This property doesn't need to be concerned or modified when sending messages.	`ZIMMessage`

Version 2.0.0

Release date: 2022-03-25

New features

Feature	Description	Method
Session management	Supports updating, searching, and deleting the session list. Supports obtaining the session list to display all sessions and implementing a real-time message list.	`queryConversationListWithConfig` `deleteConversation`
Group chat	Supports creating a group chat, ungroup, joining, and leaving a group chat. Supports transferring the group ownership, setting group notice, and more.	`createGroup` `joinGroup` `leaveGroup` `dismissGroup` `transferGroupOwnerToUserID`
Message management	Supports saving the one-to-one, group, in-room messages on the local database for retrieval after changing your devices or getting back from offline status. Supports deleting specified or all one-to-one or group messages.	`queryHistoryMessageByConversationID` `deleteMessages` `deleteMessages`
Call invitation	Supports sending and responding to call invitations. Suitbale for multiple scenarios, such as, video calls, send seat-taking invitation in live audio room, and more.	`callInviteWithInvitees` `callCancelWithInvitees` `callAcceptWithCallID` `callRejectWithCallID`

Enhancement

Warning

In this iteration, we unified and optimized all existing and new methods of In-App Chat In terms of style. When you upgrade the API methods from V 1.x.x to V 2.0.0, you will need to adjust the code accordingly by referring to the table below.

Item	Description	Method
Enhanced API method name	The method used to create the ZIM SDK instance: Changed to createWithAppID from create.	createWithAppID
	The method used to log in: Changed to loginWithUserInfo from login.	loginWithUserInfo
	The method used to query room members: Changed to queryRoomMemberListByRoomID from queryRoomMember.	queryRoomMemberListByRoomID
	The method used to query online room members: Changed to queryRoomOnlineMemberCountByRoomID from queryRoomOnlineCount.	queryRoomOnlineMemberCountByRoomID
New parameter added for API method or callback	The method used to send one-to-one/group messages: a config parameter is added, used to set offline notifications, message priority, and more.	sendPeerMessage sendRoomMessage
	A roomID parameter is added for some method callbacks. It is convenient for you to get the roomID from which the result of the current operation comes when calling relevant methods.	ZIMRoomLeftCallback ZIMRoomMemberQueriedCallback ZIMRoomOnlineMemberCountQueriedCallback ZIMRoomAttributesBatchOperatedCallback ZIMRoomAttributesQueriedCallback
	The roomID and errorKeys parameters are added. It is convenient for you to get the roomID from the current operation result when they get the room property, and the key will be returned to you when the operation fails.	ZIMRoomAttributesOperatedCallback