『 此次发布是 Apollo 自 1.0.0 以来的又一次大版本更新，凝结了 39 位 Contributor 的贡献，包含了诸如 Java 17 支持、唯一键索引增强、Spring Boot 版本升级等重大更新。』
1. Highlights
Java 17 支持
Apollo 客户端和服务端均已支持 Java 8、11 和 17 版本。
公共 Namespace 列表页
Apollo 主页新增了公共 Namespace 列表视图，用户可以在此页面上查看和搜索公共 Namespace。
灰度发布支持标签
灰度规则支持通过标签来标识灰度的实例列表，适用于 IP 不固定的场景如 Kubernetes
配置导入导出功能增强
批量配置导入导出功能进行了重新设计并增强。
每个 Namespace 下现也已支持单独导入和导出。
唯一键索引
由于软删除的设计，Apollo 之前版本的数据库除主键外没有唯一键约束，在一些并发的情况下可能会遇到重复数据的问题。基于 2.0.0 版本新增的 DeletedAt 列，我们为大多数表都增加了唯一索引。
Spring Boot 和 Spring Cloud 版本升级
Apollo 服务端的 Spring Boot 和 Spring Cloud 分别升级到了 2.6.6 和 2021.0.1 版本。
不兼容更新
apollo-client 从 2.0.0 版本开始不再支持 Java 1.7 版本，最低的 Java 运行时环境是 1.8。
2. What's Changed
功能增强
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switch apollo.config-service log from warning to info level by @lonre
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Make Access Key Timestamp check configurable by @nisiyong
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refactor: let open api more easier to use and development by @Anilople
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feat(scripts): use bash to call openapi by @Anilople
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support search by item by @lepdou
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feature: implement password policies to avoid weak passwords by @WillardHu
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public namespace basic function by @youabcd
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Extend the gray release capability to support dimensions other than IP by @zcy1010
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bump to 2.0.0 and drop java 1.7 support by @nobodyiam
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feat: add a shortcut to scroll to the top in the dashboard by @NICEXAI
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change scrollbar css by @zeemood
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support java 17 by @nobodyiam
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optimize navbar style by @lepdou
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add language.png icon by @lepdou
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support export import config by env by @lepdou
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support only show difference keys when compare namespace by @lepdou
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add zookeeper service discovery support(#3557) by @CalebZYC
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bump guava version to 31.0.1 by @Shoothzj
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Bump client springboot version by @Shoothzj
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The release history of namespaces that are not properties will also show comments and release times by @klboke
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Allow disable apollo client cache by @Shoothzj
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feature: isCommonlyUsed password check not hardcoded #4018 by @WillardHu
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canonical zh-cn text by @lepdou
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optimize create namespace page by @lepdou
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Add Ordered interface to ProviderManager SPI by @darcydai
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Bump xstream from 1.4.18 to 1.4.19 by @dependabot
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Using commons-lang3 to replace commons-lang by @ruanwenjun
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optimize import/export config by @lepdou
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Configure publish and rollback modal boxes to add scrollbars by @klboke
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add custom define discovery by @gy09535
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Refactor the soft delete design by @nisiyong
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upgrade spring boot to 2.6.6 and spring cloud to 2021.0.1 by @nobodyiam
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upgrade mysql-connector-java to 8.0.28 by @Anilople
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Upgrade flyway to 8.0.5 by @Shoothzj
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Broadcast ConfigChangeEvent using Spring ApplicationEvent @nobodyiam
问题修复
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Fix issue that the $ symbol is not used when reading shell variables by @ReganHe93
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Fix issue: ingress syntax by @lijiansgit
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fix helm scripts BUG by @w-a-n-g-s-h-u-n
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Catch LinkageError for ClassLoaderUtil.isClassPresent in case class is present but is failed to load by @nobodyiam
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fix gray publish refresh item status(#4039) by @CalebZYC
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Fix the issue that property placeholder doesn't work for dubbo reference beans by @lonre
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Fix the NPE occurred when using EnableApolloConfig with Spring 3.1.1 by @nobodyiam
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fix the json number display issue when it's longer than 16 by @CalebZYC
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fix update user password failure bug by @lepdou
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Fix bug: associated namespace display incorrect in text view by @darcydai
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fix import config bug by @lepdou
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fix the potential data inconsistency issue by @nobodyiam
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use item.isDeleted to check whether the item is deleted by @nobodyiam
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Fix the apollo portal start failed issue by @nobodyiam
其它更新
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remove ctrip profile by @JaredTan95
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Remove spring dependencies from internal code by @klboke
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remove ctrip profile dependency. by @Accelerator96
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fix gpg signing issues when deploying to maven repository with github action by @nobodyiam
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Fixed some code smells in apollo-portal module by @WillardHu
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clean ctrip profile by @JaredTan95
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Fixed some code smells in apollo-portal module #2 by @WillardHu
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fix NullPointerException hazard in StringUtils.join(..) method by @WillardHu
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Replace String.format() with newly created class OpenApiPathBuilder by @WillardHu
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Make the constructor of AbstractApolloHttpException implementation class to support string template by @WillardHu
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Removed useless hardcoded Strings in EnvUtils. by @DiegoKrupitza
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chore: Simplified the Env class in apollo-portal that links to Env enum in apollo-core by @DiegoKrupitza
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Chore: Future-proofed ConfigFileFormat by @DiegoKrupitza
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ConfigFileFormat#Properties are now fully compatible with themselves by @DiegoKrupitza
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Fix flaky test testGetPropertyNames. by @yyfMichaelYan
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Fix flaky test testAssembleQueryConfigUrl. by @yyfMichaelYan
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Update RelativeDateFormat.java by @xuxiawei
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chore: change 'ctripcorp' to 'apolloconfig' in .yaml files by @void1104
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Flaky test fields iteration order by @yyfMichaelYan
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test(apollo-core): PropertiesUtilTest by @youyulan
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optimization omits unnecessary time conversion by @xuxiawei
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Split helm chart into another repo by @JaredTan95
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refactor: SpringValueProcessor extract duplicate code by @mghio
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build: ctripcorp -> apolloconfig in .github/workflows/cla.yml by @Fool-coder
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Add unit tests for Utils by @joshknopp
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Change Copy Right year to 2022 by @Shoothzj
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Adding JUnit. Fixes #3874 by @ayush0407
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Test coverage by @ayush0407
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Test coverage by @ayush0407
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Fix flaky test by @plzdoo
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Update ReleaseMessageServiceWithCacheTest.java by @plzdoo
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Translation of Apollo Official Chinese Document(s) by @misselvexu
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fix a title indent error by @Alceatraz
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Misc changes by @nobodyiam
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feat: update secret access key tips by @weiyichao
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Misc changes by @lepdou
更多内容可以查看 2.0.0 的 Release Note。
感谢以下贡献者对此版本的贡献(排名不分先后)
@ReganHe93 @lonre @JaredTan95 @nisiyong @klboke @Accelerator96 @nobodyiam @lijiansgit @WillardHu @Anilople @lepdou @DiegoKrupitza @youabcd @zcy1010 @NICEXAI @zeemood @w-a-n-g-s-h-u-n @yyfMichaelYan @xuxiawei @void1104 @youyulan @CalebZYC @mghio @Fool-coder @Shoothzj @joshknopp @darcydai @dependabot @ruanwenjun @gy09535 @ayush0407 @czd890 @pengweiqhca @sy-records @dazuimao1990 @plzdoo @misselvexu @Alceatraz @weiyichao
欢迎加入我们
Apollo 社区欢迎大家以任何形式为社区做出贡献，包括但不限于文档改进、提交 issue/bug、贡献代码、Review PR、技术讨论等，一起促进开源生态的发展。
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Apollo 官方网站：https://www.apolloconfig.com/
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Apollo 仓库地址：https://github.com/apolloconfig/apollo
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Apollo 公共邮箱：apollo-config@googlegroups.com
