Upgrading is recommended for all users.

[!NOTE] From TTL v2.13+ upgrade to Java 8. 🚀 If you need Java 6 support, use version 2.12.x

Change Log

💪 Enhancement

• Fix class transform exception on Java 21 by upgrading javassist to 3.30.2-GA(issue #555 submitted by @brucelwl)
  • specical thanks to the excellent works of @wuwen5 👍 :
    • troubleshoot the problem 🐞
    • resolve the problem by submitting the issue and PR to javassist project: 🆒
      • issue https://github.com/jboss-javassist/javassist/issues/462
      • PR https://github.com/jboss-javassist/javassist/pull/463
    • and follow the subsequent java 8 support of new javassit version 🫡
      • https://github.com/jboss-javassist/javassist/pull/473
  • more exception info see the CI job

🛠️ Refactor

• [TtlExecutorTransformlet.java]: remove redundant qualified package name; extract local var
• [ClassInfo.java] simplify classpath setting of javassist classpool

📚 Documentation

• update document/javadoc link to java 21 📚
• update maven central links of dependencies version 📦 (issue #583 submitted by @youngledo)

🚜 Build/CI

• add bytecode version verification plugin ✅ (by @wuwen5 in #590)
• add pom version validation ✅
• upgrade dependencies/plugins 🛠️
• upgrade default build JDK to java 17 from java 11 ☕️
• upgrade maven wrapper to 3.9.6 🪶
• auto-detect JAVA_HOME of java versions when run CI in GitHub Actions ☕️

Java API Doc

https://alibaba.github.io/transmittable-thread-local/apidocs/2.14.5/index.html

Maven dependency

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>transmittable-thread-local</artifactId>
    <version>2.14.5</version>
</dependency>

Upgrading is recommended for all users.

[!NOTE] From TTL v2.13+ upgrade to Java 8. 🚀 If you need Java 6 support, use version 2.12.x

Change Log

🐞 Bug Fix

• fix bug "fail to remove from Queue of ScheduledThreadPoolExecutor" when use TTL agent(issue #547 submitted by @robin-g-20230331)

📚 Documentation

• improve README
  • add cases into "who used" section

🚜 CI/Build

• use GitHub actions 🐙 strong_ci.yaml instead of appveyor.yml
• upgrade CI java version (#556 by @wuwen5)
  • upgrade CI jdk 21-ea to 21
  • remove CI jdk 20
• upgrade dependencies/plugins 🛠️
• upgrade maven wrapper to 3.9.5 🪶
• upgrade bash-buddy
• update github actions
  • actions/setup-java
  • actions/checkout
• remove stale appveyor files

Java API Doc

https://alibaba.github.io/transmittable-thread-local/apidocs/2.14.4/index.html

Maven dependency

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>transmittable-thread-local</artifactId>
    <version>2.14.4</version>
</dependency>

Upgrading is recommended for all users.

[!NOTE] from 2.13.x upgrade to Java 8 🚀
If you need Java 6 support, use version 2.12.x

Change Log

🍬 Improvements

• work-around ClassCircularityError of ConcurrentHashMap under JDK 17(#399 by @dongshuke @primitiveheart)

📚 Documentation

• improve README
  • add cases into "who used" section
  • fix github action badges

🚜 CI/Build

• upgrade dependencies/plugins 🛠️
• add JDK 20/21-ea into and remove 18 from  GitHub CI
• remove versions-maven-plugin, dependabot.yml Github workflow is enough 🤖

Java API Doc

https://alibaba.github.io/transmittable-thread-local/apidocs/2.14.3/index.html

Maven dependency

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>transmittable-thread-local</artifactId>
    <version>2.14.3</version>
</dependency>

Upgrading is recommended for all users.

[!NOTE] from 2.13.x upgrade to Java 8 🚀
If you need Java 6 support, use version 2.12.x

Change Log

Refactor/Improvements

• use expected size to initialize hash map instead of capacity fix improper implementation of v2.14.0

CI/Build

• chore(ci): add jdk 19 into appveyor ci

Java API Doc

https://alibaba.github.io/transmittable-thread-local/apidocs/2.14.2/index.html

Maven dependency

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>transmittable-thread-local</artifactId>
    <version>2.14.2</version>
</dependency>

[!NOTE] from 2.13.x upgrade to Java 8 🚀
If you need Java 6 support, use version 2.12.x

Change Log

Improvements

• upgrade javassist to 3.29.2-GA from 3.29.0-GA
• refactor: flip ==/!= for null check

Documentations

• improve wording and format of doc and javadoc
• update wrong codecov badge on branch 2.x

CI/Build

• improve CI stability
• update ci jdks
• upgrade dependencies/maven plugins

Java API Doc

https://alibaba.github.io/transmittable-thread-local/apidocs/2.14.1/index.html

Maven dependency

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>transmittable-thread-local</artifactId>
    <version>2.14.1</version>
</dependency>

Upgrading is recommended for all users.

[!NOTE] from 2.13.x upgrade to Java 8 🚀
If you need Java 6 support, use version 2.12.x

Change Log

Features

• support Transmittee Register, the extension point for other ThreadLocal
  add methods Transmitter#registerTransmittee and Transmitter#unregisterTransmittee

Improvements

• set initialCapacity of HashMap explicitly for performance

CI/Build

• upgrade dependencies/plugins
• pom cleanup
  • move versions plugin declaration to management section
  • move nexus-staging-maven-plugin to deploy-settings profile
  • remove org.jetbrains:annotations dependency when run test under agent
• add job timeout config of github CI
• upgrade maven wrapper to 3.8.6

Java API Doc

https://alibaba.github.io/transmittable-thread-local/apidocs/2.14.0/index.html

Maven dependency

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>transmittable-thread-local</artifactId>
    <version>2.14.0</version>
</dependency>

Upgrading is recommended for all users.

[!NOTE] from 2.13.x upgrade to Java 8 🚀
If you need Java 6 support, use version 2.12.x

Change Log

Improvement

• add @Contract(pure) for wrapper methods, more user/IDE friendly:
  • trigger IDE warning if discard wrapper result
  • for #349 by @HuangDayu

Before: 😖 Now: 😋

Cleanup/Refactor

• refactor:
  • add missing final modifier of class
  • reorder annotations
• docs: improve javadoc of registerThreadLocal* methods, add note for getting ThreadLocal instances by reflection
  • for #329 by @kaneg

Java API Doc

https://alibaba.github.io/transmittable-thread-local/apidocs/2.13.2/index.html

Maven dependency

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>transmittable-thread-local</artifactId>
    <version>2.13.2</version>
</dependency>

[!NOTE] from 2.13.x upgrade to Java 8 🚀
If you need Java 6 support, use version 2.12.x

Change Log

Improvement

• add @contract for wrapper methods fine control of null check, more user/IDE friendly 🥰

Before: 😖 Now: 😋

Cleanup

• docs: improve wording
• test: introduce kotest library for testing 🍩
• cleanup deprecation warning in test code

CI/Build improvement

• enable github workflow CI
• add java 18/19 in ci
• remove windows ci on appveyor, use github workflow instead
• use maven command instead of hand-writing command scripts run-junit.sh/run-agent-test.sh since upgrade to java 8

Java API Doc

https://alibaba.github.io/transmittable-thread-local/apidocs/2.13.1/index.html

Maven dependency

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>transmittable-thread-local</artifactId>
    <version>2.13.1</version>
</dependency>

[!NOTE] from 2.13.x upgrade to Java 8 🚀
If you need Java 6 support, use version 2.12.x

This version contains no new features or bug fix but upgradation of java 8 and dependencies/plugins.

Change Log

• upgrade source to java 8
• upgrade dependencies/plugins
  • resolved the problem caused by low version javassist(#388 by @howardliu-cn)

Java API Doc

https://alibaba.github.io/transmittable-thread-local/apidocs/2.13.0/index.html

Maven dependency

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>transmittable-thread-local</artifactId>
    <version>2.13.0</version>
</dependency>

[!IMPORTANT]

2.12.x is the last minor version supported Java6, and is end-of-life.

The 2.12.x version is end-of-life. No further development, support, maintenance, PRs and updates will happen.

It's time to say goodbye, my friend

It's been a long day without you my friend And I'll tell you all about it when I see you again We've come a long way from where we began Oh I'll tell you all about it when I see you again

Change Log

🐞 Bug Fix

• TTL Agent do NOT set TtlAttachments.KEY_IS_AUTO_WRAPPER if input Runnable has not been auto wrapped
  • for https://github.com/alibaba/transmittable-thread-local/issues/133#issuecomment-1068793261 commented by @DreamLettuce ❤️

Java API Doc

https://alibaba.github.io/transmittable-thread-local/apidocs/2.12.6/index.html

Maven dependency

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>transmittable-thread-local</artifactId>
    <version>2.12.6</version>
</dependency>