Recently, Apache DolphinScheduler released version 3.3.0 alpha. The 3.3.0 alpha version introduces breakthrough improvements in task management, fault tolerance, and scalability, offering a more stable and flexible solution for large-scale workflow scheduling. However, please note that this is an alpha version—upgrade with caution. Try it now: Try it now: Source code download: https://github.com/apache/dolphinscheduler/archive/refs/tags/3.3.0-alpha.zip
Upgrade guide: Please refer to the community documentation Source code download: https://github.com/apache/dolphinscheduler/archive/refs/tags/3.3.0-alpha.zip https://github.com/apache/dolphinscheduler/archive/refs/tags/3.3.0-alpha.zip Upgrade guide: Please refer to the community documentation This update includes numerous DSIPs (DolphinScheduler Improvement Proposals), Features (new functionalities), and Improvements. Below is a summary of the release highlights. For full update details, check the Release Note: https://github.com/apache/dolphinscheduler/releases/tag/3.3.0-alpha For full update details, check the Release Note: https://github.com/apache/dolphinscheduler/releases/tag/3.3.0-alpha https://github.com/apache/dolphinscheduler/releases/tag/3.3.0-alpha DSIP (DolphinScheduler Improvement Proposals) The following are structural improvement proposals included in the DolphinScheduler 3.3.0 alpha version, bringing systematic changes to core functionalities, architecture, and performance: ✅ Enhanced Connection Center Support Enhanced Connection Center Support DSIP-19 series: Added support for Zeppelin, SageMaker, K8s connections (by @xdu-chenrj)
DSIP-27: Java task plugin improvements (by @ailiujiarui) DSIP-19 series: Added support for Zeppelin, SageMaker, K8s connections (by @xdu-chenrj) DSIP-19 series DSIP-27: Java task plugin improvements (by @ailiujiarui) DSIP-27 🧾 Audit Logs and Remote Logs Optimization Audit Logs and Remote Logs Optimization DSIP-24 / 25 / 26 / 57: Upgraded architecture for remote and audit logs with rollback support (by @pegasas, @qingwli, @SbloodyS) DSIP-24 / 25 / 26 / 57: Upgraded architecture for remote and audit logs with rollback support (by @pegasas, @qingwli, @SbloodyS) DSIP-24 / 25 / 26 / 57 🔨 Master/Task Execution Logic Optimization Master/Task Execution Logic Optimization DSIP-44 / 54 / 56 / 61 / 67 / 65 / 73 / 87: Optimizations from thread pool scheduling, task execution abstraction, to scheduling command mechanisms (by @ruanwenjun) DSIP-44 / 54 / 56 / 61 / 67 / 65 / 73 / 87: Optimizations from thread pool scheduling, task execution abstraction, to scheduling command mechanisms (by @ruanwenjun) DSIP-44 / 54 / 56 / 61 / 67 / 65 / 73 / 87 💡 User Experience Optimization User Experience Optimization DSIP-50 / 51 / 59 / 60 / 62 / 68 / 72 / 78: Removed redundant plugins/modules and unified UI structure (by @SbloodyS) DSIP-50 / 51 / 59 / 60 / 62 / 68 / 72 / 78: Removed redundant plugins/modules and unified UI structure (by @SbloodyS) DSIP-50 / 51 / 59 / 60 / 62 / 68 / 72 / 78 🧰 Other Improvements Other Improvements DSIP-75: Automatically add license headers (by @ruanwenjun)
DSIP-70: Removed upgrade code for versions 1.x/2.x (by @SbloodyS)
DSIP-38: Optimized plugin upload/download and dependencies (by @SbloodyS) DSIP-75: Automatically add license headers (by @ruanwenjun) DSIP-75 DSIP-70: Removed upgrade code for versions 1.x/2.x (by @SbloodyS) DSIP-70 DSIP-38: Optimized plugin upload/download and dependencies (by @SbloodyS) DSIP-38 Feature (New Features) 🎧 Monitoring and Alerts Added Listener mechanism (#14981)
Supported Prometheus AlertManager, Aliyun Voice, HTTP test sending (#15079, #15248, #15163) Added Listener mechanism (#14981) Listener mechanism Supported Prometheus AlertManager, Aliyun Voice, HTTP test sending (#15079, #15248, #15163) 🧪 New Plugins and Integrations Supported OceanBase DataX tasks (#16281)
Supported EMR Serverless Spark (#16126)
Supported param passing for Dinky task Prepare Params (#15947) Supported OceanBase DataX tasks (#16281) Supported EMR Serverless Spark (#16126) Supported param passing for Dinky task Prepare Params (#15947) 🧱 Resource and Permission Management UI now displays resource paths; added Worker Group permission management (#16590, #15600) UI now displays resource paths; added Worker Group permission management (#16590, #15600) 🗂 Storage Extensions Added Tencent Cloud COS storage plugin (#16565) Added Tencent Cloud COS storage plugin (#16565) 📄 Documentation Enhancements Security model documentation and standardized security naming (#16609, #16587) Security model documentation and standardized security naming (#16609, #16587) Improvement (Optimizations) ⚙ Core Modules and Performance Master/Worker thread pools, Zookeeper timeout optimization, RPC retry mechanisms, and dependency task handling improvements (multiple PRs by @ruanwenjun) Master/Worker thread pools, Zookeeper timeout optimization, RPC retry mechanisms, and dependency task handling improvements (multiple PRs by @ruanwenjun) 🧪 Test Coverage Improvements Enhanced UT and E2E test coverage and filled in missing test cases (numerous PRs by @abzymeinsjtu) Enhanced UT and E2E test coverage and filled in missing test cases (numerous PRs by @abzymeinsjtu) 🧹 Cleanup and Refactoring Removed redundant code, optimized logging, and standardized variable naming (multiple PRs by @SbloodyS, @caicancai, @Gallardot) Removed redundant code, optimized logging, and standardized variable naming (multiple PRs by @SbloodyS, @caicancai, @Gallardot) 📦 Deployment/Documentation Enhancements Fixed documentation typos, added Helm config details, optimized Docker Hub usage and installation flow (multiple PRs by @SbloodyS, @Gallardot) Fixed documentation typos, added Helm config details, optimized Docker Hub usage and installation flow (multiple PRs by @SbloodyS, @Gallardot) Bug Fix The following modules were the focus of bug fixes during this release cycle: Core Scheduling Module:Fixed issues like sub-workflows continuing to run while in PAUSE state (#16564), dependency task status parsing errors (#16599), incorrect global parameter passing (#16376), and scheduling anomalies for conditional dependency tasks in WAITING_DEPEND state (#16232), improving stability and correctness.


Plugin-Related Issues:Fixed a NullPointerException in the Elasticsearch plugin (#16107) and potential failures in multi-threaded file downloads in the file plugin (#16063), enhancing plugin robustness and compatibility.


Data Source Configuration Issues:Addressed incorrect parsing of data source parameters (#15874) and resolved MySQL connection failures in some JDBC versions (#16376), improving connection adaptability.


Frontend Display Issues:Fixed a naming error in the DATASOURCE_CATALOG permission module that caused UI display issues (#16590), and resolved discrepancies between task state display and backend data (#16594), improving frontend usability.


Test Case Fixes:Fixed E2E test failures caused by faulty plugin dependencies (#15892) and addressed instability in some unit tests under specific environments (#16120), enhancing test system reliability. Core Scheduling Module:Fixed issues like sub-workflows continuing to run while in PAUSE state (#16564), dependency task status parsing errors (#16599), incorrect global parameter passing (#16376), and scheduling anomalies for conditional dependency tasks in WAITING_DEPEND state (#16232), improving stability and correctness. Core Scheduling Module:Fixed issues like sub-workflows continuing to run while in PAUSE state (#16564), dependency task status parsing errors (#16599), incorrect global parameter passing (#16376), and scheduling anomalies for conditional dependency tasks in WAITING_DEPEND state (#16232), improving stability and correctness. Core Scheduling Module PAUSE WAITING_DEPEND Plugin-Related Issues:Fixed a NullPointerException in the Elasticsearch plugin (#16107) and potential failures in multi-threaded file downloads in the file plugin (#16063), enhancing plugin robustness and compatibility. Plugin-Related Issues:Fixed a NullPointerException in the Elasticsearch plugin (#16107) and potential failures in multi-threaded file downloads in the file plugin (#16063), enhancing plugin robustness and compatibility. Plugin-Related Issues Data Source Configuration Issues:Addressed incorrect parsing of data source parameters (#15874) and resolved MySQL connection failures in some JDBC versions (#16376), improving connection adaptability. Data Source Configuration Issues:Addressed incorrect parsing of data source parameters (#15874) and resolved MySQL connection failures in some JDBC versions (#16376), improving connection adaptability. Data Source Configuration Issues Frontend Display Issues:Fixed a naming error in the DATASOURCE_CATALOG permission module that caused UI display issues (#16590), and resolved discrepancies between task state display and backend data (#16594), improving frontend usability. Frontend Display Issues:Fixed a naming error in the DATASOURCE_CATALOG permission module that caused UI display issues (#16590), and resolved discrepancies between task state display and backend data (#16594), improving frontend usability. Frontend Display Issues DATASOURCE_CATALOG Test Case Fixes:Fixed E2E test failures caused by faulty plugin dependencies (#15892) and addressed instability in some unit tests under specific environments (#16120), enhancing test system reliability. Test Case Fixes:Fixed E2E test failures caused by faulty plugin dependencies (#15892) and addressed instability in some unit tests under specific environments (#16120), enhancing test system reliability. Test Case Fixes Document (Documentation Updates) This release includes updates across installation guides, contributor documentation, and configuration references: Installation and Deployment Docs:Updated Helm installation instructions, clarified deployment steps, and documented Chart parameter configs for easier setup (#16604).


Contributor Documentation:Improved contribution guidelines with new PR title conventions and submission flowcharts to help new contributors participate more effectively (#16294, #16125).


Configuration and Usage Docs:Added details for task dependencies, data source configurations, and alert strategies (#15972, #16097, #16407), improving readability and accuracy. Installation and Deployment Docs:Updated Helm installation instructions, clarified deployment steps, and documented Chart parameter configs for easier setup (#16604). Installation and Deployment Docs:Updated Helm installation instructions, clarified deployment steps, and documented Chart parameter configs for easier setup (#16604). Installation and Deployment Docs Contributor Documentation:Improved contribution guidelines with new PR title conventions and submission flowcharts to help new contributors participate more effectively (#16294, #16125). Contributor Documentation:Improved contribution guidelines with new PR title conventions and submission flowcharts to help new contributors participate more effectively (#16294, #16125). Contributor Documentation Configuration and Usage Docs:Added details for task dependencies, data source configurations, and alert strategies (#15972, #16097, #16407), improving readability and accuracy. Configuration and Usage Docs:Added details for task dependencies, data source configurations, and alert strategies (#15972, #16097, #16407), improving readability and accuracy. Configuration and Usage Docs Chore (Miscellaneous Optimizations) Chore updates focus on CI processes, module cleanup, and partial refactoring: CI/CD Process Optimization: Introduced a Mock Server to simulate scheduling execution, accelerating E2E test speed and improving stability (#16030); added compatibility for scheduling failures under multi-task concurrency (#16139); simplified CI logic and E2E execution commands (#16643).
Module Cleanup and Refactoring :Removed unused old modules, plugins, and invalid test code, simplifying the codebase and improving clarity and maintainability (#15973, #16588). CI/CD Process Optimization: Introduced a Mock Server to simulate scheduling execution, accelerating E2E test speed and improving stability (#16030); added compatibility for scheduling failures under multi-task concurrency (#16139); simplified CI logic and E2E execution commands (#16643). CI/CD Process Optimization Module Cleanup and Refactoring :Removed unused old modules, plugins, and invalid test code, simplifying the codebase and improving clarity and maintainability (#15973, #16588). Module Cleanup and Refactoring Contributors This release was made possible by the collaboration of community developers. Special thanks to the following core contributors (partial list): Ruan Wenjun (PMC Member): Led architectural design and core feature development.
Thanks to Gallardot, weideguo, and a total of 71 contributors (GitHub IDs below): Ruan Wenjun (PMC Member): Led architectural design and core feature development. Ruan Wenjun Thanks to Gallardot, weideguo, and a total of 71 contributors (GitHub IDs below): @Blue-Fox, @ZarakiKenpachi, @zhangyongqin, @ironnight, @liuchuo, @yehfan, @CaIShunfeng, @yuxiaoyang-cn, @kongchongming, @MasahiroZhang, @wuxuqiang, @gaoqiang173, @ckeeper97, @twocolds, @hvhye, @liujx0429, @lingkong-jiankong, @jiangm2019, @izukayy, @derryyy, @serpywa, @2rinn, @ilyaszq, @weidaokun, @codenavie, @peijie-liu, @mario27547, @yassirlr, @mingxiaojun, @lixunxd, @wmm2019, @Shawn1997, @nobida, @Chen-lina, @hzytong, @jiangang-huawei, @zhangchaofan, @dongchunlin, @HXT-DAO, @zhaozhichao, @YucongZhu, @onakobayashi, @sdh2110, @laitinglin, @wumomo-npm, @tang-xi, @Maxwell-nz, @bigfrog828, @flarv, @buqiong, @peicongl, @xiayuheng, @kokaokami, @ztust-hsy, @ChengYu-Cloud, @sxt5699, @0d7000, @suxianglong, @one-man-team, @zhouyi0410, @tianxuyuan, @heguanghu, @LotharHuber, @chongxiao-qw, @mcz1988, @windzhe, @linhong-ua, @sunkiming, @nothedream, @kenbliu, @klovejun, @ywq1024, @jianghaitao

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