Changelog
=========

Version 5.1.0
-------------

KSQL 5.1 includes new features, including:

* ``WindowStart()`` and ``WindowEnd()`` UDFs
* ``StringToDate()`` and ``DateToString()`` UDFs

Detailed Changlog
+++++++++++++++++

* `PR-2265 <https://github.com/confluentinc/ksql/pull/2265>`_ - MINOR: Fix bug encountered when restoring RUN SCRIPT
* `PR-2240 <https://github.com/confluentinc/ksql/pull/2240>`_ - Bring version checker improvements to 5.1.x
* `PR-2242 <https://github.com/confluentinc/ksql/pull/2242>`_ - KSQL-1795: First draft of STRUCT topic
* `PR-2235 <https://github.com/confluentinc/ksql/pull/2235>`_ - KSQL-1794: First draft of query with arrays and maps topic
* `PR-2239 <https://github.com/confluentinc/ksql/pull/2239>`_ - KSQL-1975: Fix munged Docker commands for kafkacat examples
* `PR-2232 <https://github.com/confluentinc/ksql/pull/2232>`_ - KSQL-1912: Fix munged scalar functions table
* `PR-2229 <https://github.com/confluentinc/ksql/pull/2229>`_ - KSQL-1912: Remove extraneous newline
* `PR-2227 <https://github.com/confluentinc/ksql/pull/2227>`_ - KSQL-1912: Add IFNULL to Scalar Functions table
* `PR-2219 <https://github.com/confluentinc/ksql/pull/2219>`_ - KSQL-1912: Add IFNULL function to functions table
* `PR-2223 <https://github.com/confluentinc/ksql/pull/2223>`_ - KSQL-1958: Fix munged CSAS properties table YET AGAIN
* `PR-2222 <https://github.com/confluentinc/ksql/pull/2222>`_ - KSQL-1957: Add links to new topics; also restore missing CSAS and CTAS text
* `PR-2221 <https://github.com/confluentinc/ksql/pull/2221>`_ - DOCS-960: Add link to partitioning topic in key requirements section
* `PR-2220 <https://github.com/confluentinc/ksql/pull/2220>`_ - DOCS-960: Add note about the KEY property
* `PR-2134 <https://github.com/confluentinc/ksql/pull/2134>`_ - KSQL-1787: First draft of Time and Windows topic
* `PR-2201 <https://github.com/confluentinc/ksql/pull/2201>`_ - KSQL-1930: Fix a typo in the new Transform a Stream topic
* `PR-2180 <https://github.com/confluentinc/ksql/pull/2180>`_ - KSQL-1797: First draft of Transform a Stream topic
* `PR-2181 <https://github.com/confluentinc/ksql/pull/2181>`_ - KSQL-1796: First draft of aggregation topic
* `PR-2136 <https://github.com/confluentinc/ksql/pull/2136>`_ - Add reference about compatibility breaking configs in upgrade docs
* `PR-2193 <https://github.com/confluentinc/ksql/pull/2193>`_ - Fix flaky json format test
* `PR-2195 <https://github.com/confluentinc/ksql/pull/2195>`_ - 5.0.x fix flaky
* `PR-2174 <https://github.com/confluentinc/ksql/pull/2174>`_ - DOCS-1006: Fix munged :: block
* `PR-2170 <https://github.com/confluentinc/ksql/pull/2170>`_ - DOCS-911: Fix typos and grammatical errors
* `PR-2169 <https://github.com/confluentinc/ksql/pull/2169>`_ - DOCS-911: Fix typos and grammatical errors
* `PR-2142 <https://github.com/confluentinc/ksql/pull/2142>`_ - KSQL-1786: First draft of KSQL and KStreams topic
* `PR-2165 <https://github.com/confluentinc/ksql/pull/2165>`_ - KSQL-1854: Merge partition sections
* `PR-2143 <https://github.com/confluentinc/ksql/pull/2143>`_ - Fix some bugs in recovery logic
* `PR-2156 <https://github.com/confluentinc/ksql/pull/2156>`_ - KSQL-1864: Remove ksql> prompt from example commands
* `PR-2155 <https://github.com/confluentinc/ksql/pull/2155>`_ - KSQL-1864: Remove ksql> prompt from example commands
* `PR-2152 <https://github.com/confluentinc/ksql/pull/2152>`_ - KSQL-1864: Remove $ chars prompts for example commands
* `PR-2150 <https://github.com/confluentinc/ksql/pull/2150>`_ - Currently we don't support AS for aliasing stream/table.
* `PR-2149 <https://github.com/confluentinc/ksql/pull/2149>`_ - Using ksql topic name instead of Kafka topic name in topic map in metastore.
* `PR-2137 <https://github.com/confluentinc/ksql/pull/2137>`_ - Clarify the description of SUBSTRING and its legacy mode setting.
* `PR-2120 <https://github.com/confluentinc/ksql/pull/2120>`_ - KSQL-1789: First draft of Create a KSQL Table topic
* `PR-2132 <https://github.com/confluentinc/ksql/pull/2132>`_ - KSQL-1853: Fix heading levels in join and partition topics
* `PR-2130 <https://github.com/confluentinc/ksql/pull/2130>`_ - DOCS-950: Reworked partitions topic per feedback
* `PR-2122 <https://github.com/confluentinc/ksql/pull/2122>`_ - Bringing back the commit that was lost because of bad merge.
* `PR-2109 <https://github.com/confluentinc/ksql/pull/2109>`_ - KSQL-1799: New topic: Troubleshoot KSQL
* `PR-2092 <https://github.com/confluentinc/ksql/pull/2092>`_ - Window's UDF doc changes.
* `PR-2090 <https://github.com/confluentinc/ksql/pull/2090>`_ - Add WindowStart and WindowEnd UDFs (#1993)
* `PR-2075 <https://github.com/confluentinc/ksql/pull/2075>`_ - Disable optimizations for 5.1.x
* `PR-2051 <https://github.com/confluentinc/ksql/pull/2051>`_ - Preserve originals when merging configs
* `PR-2080 <https://github.com/confluentinc/ksql/pull/2080>`_ - Fixed the test.
* `PR-2079 <https://github.com/confluentinc/ksql/pull/2079>`_ - Fix deprecation issues.
* `PR-2031 <https://github.com/confluentinc/ksql/pull/2031>`_ - Fix deprecated issues in the build
* `PR-2066 <https://github.com/confluentinc/ksql/pull/2066>`_ - Minor: Fix bug involving filters with NOT keyword.
* `PR-2056 <https://github.com/confluentinc/ksql/pull/2056>`_ - Added stringtodate and datetostring UDFs for 5.1.x
* `PR-2048 <https://github.com/confluentinc/ksql/pull/2048>`_ - Minor: Fix bug involving LIKE patterns without wildcards.
* `PR-2045 <https://github.com/confluentinc/ksql/pull/2045>`_ - List UDAFs for 5.1.x
* `PR-2043 <https://github.com/confluentinc/ksql/pull/2043>`_ - Bump airline version to 2.6.0
* `PR-2023 <https://github.com/confluentinc/ksql/pull/2023>`_ - MINOR: Cause 'ksql help' and 'ksql -help' to behave the same as 'ksql -h' and 'ksql --help'
* `PR-1979 <https://github.com/confluentinc/ksql/pull/1979>`_ - Metrics refactor + fix a couple issues
* `PR-2018 <https://github.com/confluentinc/ksql/pull/2018>`_ - Display stats timestamps in unambiguous format.
* `PR-2017 <https://github.com/confluentinc/ksql/pull/2017>`_ - KSQL-1725: Fix tables and build warnings
* `PR-1997 <https://github.com/confluentinc/ksql/pull/1997>`_ - MINOR: Remove duplicate junit dependency in ksql-examples
* `PR-2014 <https://github.com/confluentinc/ksql/pull/2014>`_ - KSQL-1722: Fix broken inline literal
* `PR-2007 <https://github.com/confluentinc/ksql/pull/2007>`_ - KSQL-1722: Fix build error in changelog.rst
* `PR-1991 <https://github.com/confluentinc/ksql/pull/1991>`_ - Minor: Switch tests to use mock Kafka clients.
* `PR-1992 <https://github.com/confluentinc/ksql/pull/1992>`_ - Minor: Improve test output for QueryTranslationTest
* `PR-1999 <https://github.com/confluentinc/ksql/pull/1999>`_ - KSQL-1717: Fix build warning in faq.rst
* `PR-1981 <https://github.com/confluentinc/ksql/pull/1981>`_ - ST-1153: Switch to use cp-base-new and bash-config to hide passwords by default
* `PR-1977 <https://github.com/confluentinc/ksql/pull/1977>`_ - Use version 5.0.0 for KSQL server image
* `PR-1955 <https://github.com/confluentinc/ksql/pull/1955>`_ - Hide ssl configs and refactor KsqlResourceTest