This version is an important version which support many new features.

The most mainly feature is Nacos support maintainer to initialize the admin user nacos password instead of using default password to improve the default security for deploy nacos clusters.

And other mainly features are support TLS Grpc communication between Nacos cluster nodes as an optional feature to improve Nacos security, which means nacos not only support TLS communication between client and server; What's more, Nacos start to support user extend Selector before callback Subscriber for naming module, not only can select instance of services by healthy and clusters. And Nacos client support callback service diffs by new event to reduce Subscriber cache and compare logics.

Third mainly features are support some configs usages in Nacos console and support more enhancement usage for plugins, such as support add all metadata to prometheus sd protocol and support aliyun ram v4 signature.

In addition to substantial feature updates, this version also fixes some bugs from previous versions and upgrades certain dependencies with security vulnerabilities.

Detail see:

Feature

[#10374] Support naming custom selectors and support service diff events. [#11456] Support TLS Grpc communication between Nacos cluster nodes. [#11847] Nacos console support publish config with cas. [#11943] Record users for import configs. [#11957] Remove default password for user nacos. [#12130] Add metadata as labels in prometheus http sd. [#12162] Support aliyun ram v4 signature method.

Enhancement&Refactor

[#11956] Refactor nacos client logging module, use SPI load current logger adapter. [#12013] Enhance to fast config Nacos memory setting in startup.sh by environment CUSTOM_NACOS_MEMORY. [#12072] Support does not impose any limit when totalCountLimit is less than 0. [#12166] Enhance nacos client init properties logger. [#12177] Update console header link to new nacos.io.

BugFix

[#10639] Fix the encrypted_data_key is text type so that old version can't upgrade directly. [#11902] Fix leak of request and response for java native runtime for nacos-client. [#11926] Fix Nacos can't triggle self protection when disk full in some OS. [#11951] Fix the problem that the serviceName and groupName are not resolved correctly when deleting an empty service instance. [#11967] Fix Config can't publish and listen when dataId contains some special words in Window OS. [#11968] Fix Multiple config change plugin implementation configuration conflicts problem. [#12022] Fix nacos datasource plugin ClassCastException problem. [#12046] Fix cipher-aes config encrypt plugin not effect when publish config again. [#12060] Fix too large ttl when auth disabled. [#12146] Fix the operation type does not display when rolling back a configuration with a delete operation type. [#12168] Fix the labels of the query conditions on the Permission Control - Role Management page are still displayed in Chinese after switching the system language to English.

Dependency

[#11904] Bump Spring Security to 5.7.12. [#11975] Remove unused dependency javatuple. [#11980] Bump spring framework to 5.3.34. [#12135] Upgrade module naocs-console from junit4 to junit5.

New Contributors

• @ldyedu made their first contribution in https://github.com/alibaba/nacos/pull/10905
• @bajiejump made their first contribution in https://github.com/alibaba/nacos/pull/11945
• @hnyyghk made their first contribution in https://github.com/alibaba/nacos/pull/11942
• @llzcx made their first contribution in https://github.com/alibaba/nacos/pull/11995
• @syshenyao made their first contribution in https://github.com/alibaba/nacos/pull/12045
• @caoyanan666 made their first contribution in https://github.com/alibaba/nacos/pull/12014
• @ZrBac made their first contribution in https://github.com/alibaba/nacos/pull/12086
• @mikolls made their first contribution in https://github.com/alibaba/nacos/pull/12031
• @DemonHugo made their first contribution in https://github.com/alibaba/nacos/pull/12090
• @xpy01xpy made their first contribution in https://github.com/alibaba/nacos/pull/12148
• @CallMeHFK made their first contribution in https://github.com/alibaba/nacos/pull/12127
• @misakacoder made their first contribution in https://github.com/alibaba/nacos/pull/12164
• @Kurok1 made their first contribution in https://github.com/alibaba/nacos/pull/12144

Full Changelog: https://github.com/alibaba/nacos/compare/2.3.2...2.4.0-BETA