This version mainly enhance the console UI, release pure nacos client without shaded and fix lots of bugs.

The next version plan to release 2.2.0, which include many of new plugins.

Detail see:

Enhancement

[#6112] Unified derby-data variables.
[#7929] Reduce nacos-client jar size by minijar.
[#8941] Support Fuzzy Query in Authority Control--for api change.
[#8956] Internationalize product description content in nacos console.
[#8976] Create new namespace with duplicate namespace show name.
[#9091] build pure nacos-client when release.
[#9210] Naming Distro sync support revision.

Refactor&dependency

[#8611] Close old datasource connection.
[#8650] Make cluster/report both receive and send metadata.
[#9013] refactor rpcClient and grpcClient to support set configuration.
[#9014] refactor TpsMonitorPoint.
[#9177] Upgrade org.yaml.snakeyaml version from 1.30 to 1.32
[#9325] Add switch for naming async query.

BugFix

[#8882] Fix nacos-client 2.1.0 start error when using endpoint configuration.
[#8910] Fix calculate instance count error when using batch register.
[#8925] Fix the value of hasQueryString is always false.
[#8928] Fix the replaceAll operation is invalid for server list.
[#8931] Fix BatchInstanceData can't serialize problem.
[#8934] Fix header lost when request retrying.
[#8947] Fix the authentication/encryption plugin are not loaded on the nacos server.
[#9023] Fix corner case config dataId 'cipher-' can't be create.
[#9047] Fix ServerListMgr is not shutdown in nacos-client.
[#9060] Fix print logs for NamingTraceEvent continuously.
[#9062] Fix unsubscribe service failed problem.
[#9101] Fix the ConnectionTimeout property in the datasource connection is overwritten problem.
[#9227] Fix instance change event subscribe failed in 2.1.1 when no setting scope.
[#9230] Fix error event order for snapshot loading.
[#9269] Fix RpcClient parse ipv6 address error problem.
[#9271][#6876] Fix 'JraftServer' NPE after server exceptionally shutdown.
[#9277] Fix ClientServiceIndex not clean when service removed.
[#9305] Fix build resource with error dataId.
[#9311] Fix cache not removed when listener adding delay.
[#9323] Fix service checking problem in 1.x http openAPI.

This version mainly fix lots of bugs in 2.1.0 version and upgrade many dependencies to fix some big problem.

At the same time, community do some of enhancement for performance such as default auth plugin, Grpc request and distro protocol.

Finally, This version add two beta feature -- batchRegister and trace event. The first beta feature is used by proxy register situation like nacos-sync.
The second beta feature is used to get the information of config or service changes. It will be a new plugin for community.

Detail see:

Features

[#5863] (BETA) Support batch register service.
[#7424] Add version data compare in the history list.
[#8305] (REMOVE) Remove leave nacos server nodes API temporarily.
[#8481] (BETA) Add TRACE Event to server.
[#8755] Add default fuzzy search feature.

Enhancement

[#8099] Fast failure for distro sync task and verify task if cluster disconnect.
[#8150] Add the namespace description item to the namespace list page.
[#8345] Add validation for service cluster name.
[#8515] Optimize some code in InetUtils.
[#8561] Enhance default authentication plugin performance.
[#8574] Enhance filter service info for push callback.
[#8592] Ehhance GrpcUtil memory and cpu cost.
[#8622] Add NacosEnvironment and add some unit tests.

Refactor&dependency

[#8369] Remove mina dependency.
[#8383] Upgrade jackson version to 2.12.6.1.
[#8421] Remove commonOkHttp dependency.
[#8472] Remove useless dependency.
[#8479] Refactor singleton construction as private.
[#8540] Upgrade spring-boot version to 2.6.8.
[#8594] Makes distro data load timeout can be configured.
[#8596] Explicitly specify spring-boot-maven-plugin version same as spring-boot.
[#8623] Upgrade mysql-connector-java to 8.0.28.

BugFix

[#7039] Fix config encryptedData md5 calculation problem.
[#8153] Fix NPE for AutoExpireCache.
[#8243][#8653] Fix health check plugin problem.
[#8275] Fix can't register service when use skywalking.
[#8295] Fix can't login when use embedded storage in cluster model.
[#8318] Fix findAllConfigInfoForDumpAll sql args error.
[#8372] Fix client can't use https connection.
[#8424] Fix cycle dependency problem.
[#8428] Fix naming subscribe bug when multiple NamingService.
[#8505] Fix log configuration conflict in spring-boot project.
[#8514][#8539] Fix prometheus api error in client.
[#8516] Fix the persistent instance becomes a temporary instance.
[#8602] Fix display error after delete current namespace.
[#8632] Fix subscribe disabled instance problem in the first time.
[#8635] Fix NPE when call the shutdown method.
[#8720] Fix the problem that config aspect invalid problem.
[#8742] Fix change instance metadata, the revision of service not change.
[#8784] Fix some bugs for Console UI.
[#8833] Fix import config failed when open auth.
[#8880] Fix constantly loading config when not read permission.

Test

[#4982][#8344] Fix naming module unit test and generate jacoco coverage report.

This version mainly upgrade the spring boot version to 2.6.6 to fix some spring's security problem, and apply many enhancements from 2.X.

Details see following:

Enhancement

[#5344] Reset raft cluster ops for no leader by JRaft Api.
[#5884][#7810] Add the permission for history config.
[#7284] Enhance print exception details.
[#7799] Enhance console exception handler.
[#7802] Enhance thread pool manager.
[#7801] Enhance connection release timeout between server.
[#7803] Apply some Jraft Enhancement from 2.X.
[#7925] Client stops the UpdateTask after a service is unsubscribed.
[#8072] Reduce memory cost in DistroProtocol initialization to avoid OutOfMemoryError.
[#8144] Add volatile modifier to NamingProxy.serversFromEndpoint.
[#8203] Fix the concurrency problem about the iterator of ServerListManager.
[#8434] Enhance DistroConsistencyServiceImpl listen/unListen.

BugFix

[#6198][#7809] Fix StringUtils.join throw NullPointerException.
[#6273] Fix loop leave server.
[#7141][#7804] Fix the problem of the operator column being empty while configuring adding and deleting records.
[#7750][#7869] Fix bug in permissions management module, such as redundant 'nacos,' when change password.
[#7757][#7761] Fix jraft request parse failed problem.
[#7807] Fix yaml parse concurrent problem.
[#7836] Fix nacos-client can't parse localhost problem.
[#8012] Fix NPE in DistroConsistencyServiceImpl.Notifier.
[#8283] Fix thread safety problem when concurrently registering with the same cluster.
[#8428] Fix naming subscribe bug when multiple NamingService .
[#8539] Fix prometheus api error.

Dependency

[#7813] Upgrade log4j2 to 2.17.1.
[#7813] Upgrade logback to 1.2.9.
[#7813] Upgrade Jraft to 1.3.9.
[#8421] Remove commonOkHttp dependency.
[#8169] Upgrade spring-boot version to 2.6.6.

This version mainly adds authentication plugin and configuration encryption plugin ability. And shutdown the ability to support upgraded from version 1.X by default.

For Client, this version refactor the classes scan logic and remove the org.reflections dependency to solve the incompatibility issues when org.reflections conflicts.

Finally, this version does some enhancement and fixes some bugs found in 2.0.4.

The detail change log following:

Features

[#5695] Add a plugin SPI for configuration encryption and decryption for Nacos 2.0
[#5696] Add a plugin SPI for authentication for Nacos 2.0.
[#7930] Default close support upgrade from 1.X feature.
[#7992] Support cluster grpc client to set thread pool size.
[#8220] Add reset raft cluster operation.

Enhancement & Refactor

[#7487] Add generics for the CacheBuilder.
[#7879] Refactor destroy method of AbstractMemberLookup.
[#7924][#8214] Add ldap auth plugin.
[#7952] Ignore read request for raft follower's state machine to enhance raft stability.
[#7966] Add more information in Auth/Distro/Curcuit-Filter when cause some server error.
[#7971] Stop version judge Task and release thread after upgrade completely.
[#8072] Enhance memory cost in DistroProtocol initialization.
[#8107] Enhance console change password operation.
[#8156] Support js and css of console auto-upgrade.

BugFix

[#1717][#7359] Fix XSS vulnerabilities.
[#6273] Fix loop request for offline server nodes API.
[#6999] Fix Nacos client does not support logback overload log configuration.
[#7757] Fix jraft read request deserialize to write request problem.
[#7780] Fix config a-b-a problem.
[#7941] Fix version comparison error in Config Detail page.
[#8087] Fix text out of box in configuration manager.
[#8108] Fix throw NPR for health check for v2.
[#8050] Fix configuration about Distro changes could not take effect.
[#8161] Fix console can't use relative path problem.
[#8163] Fix multi-instance share the same local snapshot.
[#8196] Fix subscriber api without count when the query number is more than subscriber count.

Dependency

[#7758] Update module nacos-consistency protobuf-maven-plugin version to 0.6.1.
[#7886] Enhance package scan logic and remove org.reflections dependency.

Tests

[#4981] Add much unit test.
[#8009] Fix NPE of unit test.

This version mainly adds authentication plugin and configuration encryption plugin ability. And shutdown the ability to support upgraded from version 1.X by default.

For Client, this version refactor the classes scan logic and remove the org.reflections dependency to solve the incompatibility issues when org.reflections conflicts.

Finally, this version does some enhancement and fixes some bugs found in 2.0.4.

The detail change log following:

Features

[#5695] Add a plugin SPI for configuration encryption and decryption for Nacos 2.0
[#5696] Add a plugin SPI for authentication for Nacos 2.0.
[#7930] Default close support upgrade from 1.X feature.
[#7992] Support cluster grpc client to set thread pool size.

Enhancement & Refactor

[#7879] Refactor destroy method of AbstractMemberLookup.
[#7952] Ignore read request for raft follower's state machine to enhance raft stability.
[#7966] Add more information in Auth/Distro/Curcuit-Filter when cause some server error.
[#7971] Stop version judge Task and release thread after upgrade completely.

BugFix

[#1717][#7359] Fix XSS vulnerabilities.
[#7757] Fix jraft read request deserialize to write request problem.
[#7941] Fix version comparison error in Config Detail page.

Dependency

[#7758] Update module nacos-consistency protobuf-maven-plugin version to 0.6.1.
[#7886] Enhance package scan logic and remove org.reflections dependency.

Tests

[#4981] Add much unit test.
[#8009] Fix NPE of unit test.

This version mainly optimizes the stability of config module, put forward the interactive experience of console.
What's more, this version also made a large improvement in terms of UT coverage rate, and fix many bugs of 1.4.x.
Details see following:

Features

[#6016] Support fetching server list from endpoint with namespace.
[#5672] relayout configurations page.

Enhancement

[7188] Add encryptedDataKey with LocalEncryptedDataKeyProcessor.getEncryptDataKeySnapshot into LocalConfigInfoProcessor.getSnapshot.
[#6663] Optimize GetServerListTask load priority.
[#1773] Let the importted config over the original config.
[#5635] Fix the problem of no Gap With CreateUser button & refresh.

Refactor & Code Quality

[#7480] Upgrade log4j to 2.17.0 for v1.x-develop.
[#7420] Upgrade log4j from 2.15.0 to 2.16.0.
[#5547] Optimize ConfigRequest and ConfigResponse code, extract common constants.
[#5621] Remove duplicated dependency.
[#5528] Optimize ParamUtil code and extract constants.
[#5587] Change the invalid compare in NotifySingleService.

BugFix

[#1733] Fix the problem of still getting the instance after register twice and deregister.
[#7191] Fix EncryptedData Long-Polling listerning bug in client(LongPollingRunnable).
[#3969] Fix the problem of searching for special character matching errors by group name.
[#5814] Fix the query param lost when use enter press to search in Nacos 1.x.
[#5747] When using the multi-registry feature of Dubbo with setting namingLoadCacheAtStart=true, the cache of NacosNamingService will overwrite each other.
[#5683] Fixes logical judgment expression.
[#5664] Fix the locales of field Action Type don't take effect in config history detail page.
[#3548] Fix the problem of the srcUser filling with username when auth is disabled.

Other

[#7342] Optimizing client beat log output, removing unnecessary error logs.

Test

[#5538] Fix some failed test cases.
[#5577] [#5600] [#5601] [#5484] [#5599] [#5595] [#5596] [#5579] [#5583] [#5539] [#5545] Adding Unit Tests for some classes in nacos-core and nacos-naming.

This version mainly adds config encrypting features, enhances the stability of grpc client and console, and fixes bugs in 2.0.x.
What's more, Nacos community do lots of refactors and unit test.
Detail see:

Features

[#5695] Make Import/export function compatible with configuration encryption and decryption.
[#5695] Add a plugin SPI for configuration encryption and decryption for Nacos 2.0, where EncryptedDataKey is persisted.
[#6430] Integrate the feature selector workflow into Nacos 2.0.x.
[#7262] Add ephmeral attribute in v2 service query api.

Enhancement

[#6999] Make nacos' logback and application's logback module decoupled.
[#7149] Add port offset configuration for the client when using reverse proxy of nacos expose different ports.
[#6572] add an OpenAPI to obtain the counting of Nacos2.x clients.
[#6296] Optimize the new config page (skip to config list page when create the config successfully).

Refactor

[#7500] update logback version 1.2.9.
[#7468] upgrade log4j to 2.17.0.
[#6733] Upgrade jraft version to 1.3.8 .
[#6628] Remove redundant functional interfaces

BugFix

[#6296] Fix a bug on console (while Deleting and then adding a config, Nacos Web displays existed config).
[#7502] Make serviceListRequestHandler return the correct count of serviceNames.
[#7591] Remove meaningless judgment conditions.
[#7550] Fix the problem of "subscribe service failed" when local filesystem has cache file
[#7411][#7415] fix NPE when the RpcClient shutdown, and when Dubbo shutdown.
[#7248] Fix update task can't stop after unsubscribe.
[#7141] Fix the problem of the operator column being empty while configuring adding and deleting records.
[#7225] To ignore the WebServerInitializedEvent if the name space of the spring context is management.
[#7001] To keep the count value in Nacos 2.x same with value Nacos 1.x, add a "throw the NacosException" logic.
[6535] Inconsistent results returned by different versions of the open-api/nacos/v1/ns/service.
[#6581] fix some bugs in ServiceController subscribers interface.

Test

[#5092] Add unit tests for module nacos-config in nacos 2.0.
[#5695] Add unit test for encrypting classes in nacos.client.config.*.
[#6894] add the unit test of com.alibaba.nacos.naming.remote.*.

In this version, Nacos community continue to do a lot of optimizations for the features of the upgrade from 1.X to 2.0.X, to improve the upgrade stability. And add an SPI to help server judge whether server is ready to upgrade.

At the same time, community add an redo feature for nacos client to make sure the instances and subscribers can be registered after failed to call from users.

What's more, Nacos community do lots of refactors and unit test.

Detail see:

Features

[#6384] Add redo feature for nacos client naming.

Enhancement

[#1469] Add cluster delete button.
[#5884] Add the permission for history config.
[#5909] Enhance LADP auth log print out when auth check failed.
[#5999] Adpat nacos endpoint in AddressServerMemberLookup.
[#6100] Enhance config managerment UI.
[#6129] Add ServerConfigChangeEvent when config file changed.
[#6142] Redo register and subscribe when reconnection auth check failed.
[#6160] Optimization of IP address acquisition method in nacos client.
[#6175] If the client already disconnect, ignore this request to avoid NPE.
[#6178] Unified configuration page style
[#6204] Get data from database if user or role info not found in cache.
[#6367] Add IOReactorExceptionHandler to avoid IOReactor out of loop when meet unknown Network error.
[#6386] Stop v1 distro verification when cluster upgraded to v2.
[#6403] Make the expired time of naming client be configurable in nacos-server.

Refactor

[#3102] Remove dependency of common-lang3.
[#5771][#5919][#6050] Improve code quality.
[#5845] Remove redundant code in InitUtils#initNamespaceForNaming.
[#6197] Remove unnecessary class.
[#6216] All SQL keywords are modified to uppercase.
[#6217] Add Add SPI for upgrade checker.
[#6272] Refactor Instance builder to build and handler request from http.
[#6446] Remove dependency of guava.

BugFix

[#6107] Fix Chinese account show with gibber in home page.
[#6109] Fix get InstanceUpgradeHelper instance error for double write service.
[#6116] Fix unable to check client beats when register same ip and port in old clients with high concurrent.
[#6169] Fix cluster page internationalization.
[#6198] Fix NPE when use StringUtils.join illegal.
[#6295] Fix instance metadata will not be removed for ip port client.
[#6335] Fix startup error when the JAVA_HOME path contains spaces under Linux/Unix/Mac system.
[#6382][#6476] Fix nacos-istio serviceInfo.getChecksum() always is empty.
[#6423] Fix yaml parse concurrent problem.

Test

[#4982][#5094][#5095][#5011][#5806][#6188] Add Unit test.
[#5985][#5990] Fix unit test problem.

In this version, Nacos community have done a lot of optimizations for the features of the upgrade from 1.X to 2.0.X, such as fixed problems that may be encountered during the upgrade, and added some APIs to query and repair the data during the upgrade.

At the same time, Nacos community also strengthened features, such as configuring CAS release, adding Distro synchronization statistics, and optimizing log error information.

What's more, Nacos community do lots of refactors and unit test.

Detail see:

Features

[#2843] Adding CAS publish config in client.
[#5686] Add Distro monitor info in naming-performance log.
[#5719] Add some API to query and fix upgrade data.
[#5756] Support to specify ephemeral value for createService.
[#5952] Feature make naming rpc client aware of server list change.
[#6019] Support fetching server list from endpoint with namespace.

Enhancement

[#4208] Support config multiple server list by ',' and ';'.
[#5747] Support of specifying NAMING_CACHE_REGISTRY_DIR property.
[#5775] Persist the cluster upgrade state.
[#5713] Enhance the query config behavior in console.
[#5949] Enhance gRPC error hint logs.
[#6015] Add/Remove client instance cache before call server.

Refactor

[#3046] Enhancement for constant variables.
[#5689] Refactor nacos example.
[#5717][#5727][#5771][#5774][#5762][#5802][#5836][#5843][#5877][#5904][#5915][#6010] Enhance code quality.
[#5888] Refactor resourceParser groupName change the splicing method.

BugFix

[#5574] Remove downgraded member version info.
[#5559] Fix can't resolve symbol 'istio' when I switch branch of source code to 2.0.0.
[#5671] Fix dismiss service groupName after upgrade to 2.0.X.
[#5692] Fix Deleted service will still exist after upgrade to 2.0.X.
[#5765] Fix localhost can't be used in nacos-server.
[#5782] Fix persistent instances of v2 model cannot be removed by DoubleWrite removal tasks.
[#5798] Fix upgraded server cannot downgrade and upgrade again.
[#5831] Fix naming client may register the old one instance when reconnecting to server.
[#5835] Fix create user error.
[#5870] Fix doubleWrite may register persistence instance as ephemeral.
[#5872] Fix server may downgrade to 1.X model when one of node restart.
[#5918] Fix notifyCenter may cause naming data inconsistent.
[#5927] Fix tcp check will invalid after restart 2.0 model server.
[#5934] Fix can't overwrite the original configuration file when importing configuration file.
[#5937] Fix auth problem for client when use ak sk.
[#5971] Fix Naming API can't adapt after upgrading to v2.x.

Test

[#5805][#5123][#5153][#5521][#5522][#5663]Add unit test for nacos 2.0.

Nacos2.0.1 Release Note

This version mainly fixes the stability for leader selection of Jraft in k8s environment and fixes the problem of throwing Server is Down error frequently.
What's more, 2.0.1 support the MCP over XDS protocol in nacos-istio plugin and module.

Details see following:

Features

-[#3484] Support ldap login.
-[#4856] Support mcp over xds.
-[#5137] Support service list add view subscriber.
-[#5367] Support client encryption plugin for nacos 2.0.

Enhancement

-[#5307] Push support config some parameters
-[#5334] Fix Server is Down problem in k8s environment.
-[#5361] Check isUseGrpcFeatures() when register instance using GRPC protocol

Refactor & Code Quality

-[#5486] Refactor Distro Config as singleton and replace GlobalConfig.

BugFix

-[#5169] Fix instance beat run only by responsible server.
-[#5175] Fix publishConfig lost type.
-[#5178] Fix NPE when init server list failed.
-[#5182] Fix throw NoSuchFieldException in ConfigController when service connect to nacos.
-[#5204] Fix query error when pageNo is larger than service number.
-[#5268] Fix subscriber app unknown
-[#5327] Fix ThreadPool usage problem and add some monitor for distro.
-[#5384] Fix the problem of unable to shutdown NacosConfigService.
-[#5404] Fix frequently udp push for client 1.X.
-[#5419] Fix Nacos 2.0 client auth may invalid for non public namespace.
-[#5442] change state to UP when received status form old version server.

Other

-[#5096] Add unit tests in nacos 2.0.
-[#5171][#5421][#5436][#5450][#5464] Fix It for nacos 2.0.