release-分布式时序数据库

# DolphinDB Release Notes - [DolphinDB Release Notes](#dolphindb-release-notes) - [DolphinDB Server](#dolphindb-server) - [New Features](#new-features) - [Improvements](#improvements) - [Issues Fixed](#issues-fixed) - [Client Tools](#client-tools) - [GUI](#gui) - [Web-Based User Interface](#web-based-user-interface) - [API](#api) - [Java](#java) - [Python](#python) ## DolphinDB Server Version: **1.30.21**     [Compatibility Level 2](https://github.com/dolphindb/release/blob/master/DolphinDB_compatibility_levels_EN.md#32-compatibility-level-2) with 1.30.20 Release Date: 2022-02-15 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.21.5.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.21.5_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.21.5_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.21.5.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.21.5_JIT.zip) [Linux ARM64](https://www.dolphindb.com/downloads/DolphinDB_ARM64_V1.30.21.1.zip) Version: **1.30.20**     [Compatibility Level 2](https://github.com/dolphindb/release/blob/master/DolphinDB_compatibility_levels_EN.md#32-compatibility-level-2) with 1.30.19 Release Date: 2022-09-30 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.20.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.20_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.20_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.20.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.20_JIT.zip) | [Linux ARM64](https://www.dolphindb.com/downloads/DolphinDB_ARM64_V1.30.20.zip) Version: **1.30.19**     [Compatibility Level 1](https://github.com/dolphindb/release/blob/master/DolphinDB_compatibility_levels_EN.md#31-compatibility-level-1) with 1.30.18 Release Date: 2022-07-14 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.19.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.19_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.19_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.19.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.19_JIT.zip) | [Linux ARM64](https://www.dolphindb.com/downloads/DolphinDB_ARM64_V1.30.19.zip) Version: **1.30.18**     [Compatibility Level 2](https://github.com/dolphindb/release/blob/master/DolphinDB_compatibility_levels_EN.md#32-compatibility-level-2) with 1.30.17 Release Date: 2022-05-09 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.18.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.18_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.18_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.18.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.18_JIT.zip) Version: **1.30.17**     [Compatibility Level 3](https://github.com/dolphindb/release/blob/master/DolphinDB_compatibility_levels_EN.md#33-compatibility-level-3) with 1.30.16 Release Date: 2022-03-29 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.17.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.17_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.17_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.17.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.17_JIT.zip) Version: **1.30.16** Release Date: 2022-01-10 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.16.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.16_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.16_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.16.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.16_JIT.zip) Version: **1.30.15** Release Date: 2021-11-22 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.15.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.15_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.15_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.15.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.15_JIT.zip) Version: **1.30.14** Release Date: 2021-11-05 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.14.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.14_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.14_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.14.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.14_JIT.zip) Version: **1.30.13** Release Date: 2021-08-25 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.13.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.13_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.13_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.13.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.13_JIT.zip) Version: **1.30.12** Release Date: 2021-07-31 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.12.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.12_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.12_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.12.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.12_JIT.zip) Version: **1.30.11** Release Date: 2021-06-15 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.11.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.11_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.11_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.11.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.11_JIT.zip) Version: **1.30.10** Release Date: 2021-05-31 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.10.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.10_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.10_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.10.zip) | [Windows64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Win64_V1.30.10_JIT.zip) Version: **1.30.9** Release Date: 2021-05-17 [Linux64 binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.9.zip) | [Linux64 JIT binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.9_JIT.zip) | [Linux64 ABI binary](https://www.dolphindb.com/downloads/DolphinDB_Linux64_V1.30.9_ABI.zip) | [Windows64 binary](https://www.dolphindb.com/do