Add a CHANGELOG.md file

Author: 0xced

CHANGELOG.md

@@ -0,0 +1,67 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+* Replace `UseLog4NetXmlNamespace(null)` with `UseNoXmlNamespace()`
+* Reduce the public API surface
+  * Removed all property getters on `Log4NetTextFormatterOptionsBuilder`
+  * Converted the `LineEndingExtensions` class from public to internal
+* Improve log4j compatibility mode: don't write the `xmlns:log4j` attribute to be [exactly compatible](https://github.com/apache/log4j/blob/v1_2_17/src/main/java/org/apache/log4j/xml/XMLLayout.java#L137-L145) with log4j
+
+Before (1.0.0-rc.2):
+
+```xml
+<log4j:event timestamp="1041689366535" level="INFO" xmlns:log4j="http://jakarta.apache.org/log4j/"> 
+  <log4j:message><![CDATA[Hello from Serilog]]></log4j:message> 
+</log4j:event> 
+```
+
+After (1.0.0-rc.3)
+
+```xml
+<log4j:event timestamp="1041689366535" level="INFO"> 
+  <log4j:message><![CDATA[Hello from Serilog]]></log4j:message> 
+</log4j:event> 
+```
+
+
+## [1.0.0-rc.2] - 2021-03-25
+
+* Handle non Serilog provided `LogEventPropertyValue` subclasses
+* The `Log4NetTextFormatterOptionsBuilder` constructor is now internal
+* Include the index in the property name when formatting a SequenceValue
+
+Before (1.0.0-rc.1):
+
+```xml
+<log4net:data name="Args" value="--first-argument" />
+<log4net:data name="Args" value="--second-argument" />
+```
+
+After (1.0.0-rc.2)
+
+```xml
+<log4net:data name="Args[0]" value="--first-argument" />
+<log4net:data name="Args[1]" value="--second-argument" />
+```
+
+* Documentation has been improved
+
+## [1.0.0-rc.1] - 2021-02-05
+
+This release contains the same code as 1.0.0-alpha.0.110.
+
+Still trying to figure out how to make everything fit together with [MinVer](https://github.com/adamralph/minver), **annotated** tags and GitHub actions.
+
+## [1.0.0-alpha.0.110] - 2021-02-04
+
+* Implement log4j compatibility mode.
+
+[Unreleased]: https://github.com/serilog-contrib/serilog-formatting-log4net/compare/1.0.0-rc.2...HEAD
+[1.0.0-rc.2]: https://github.com/serilog-contrib/serilog-formatting-log4net/compare/1.0.0-rc.1...1.0.0-rc.2
+[1.0.0-rc.1]: https://github.com/serilog-contrib/serilog-formatting-log4net/compare/1.0.0-alpha.0.110...1.0.0-rc.1
+[1.0.0-alpha.0.110]: https://github.com/serilog-contrib/serilog-formatting-log4net/releases/tag/1.0.0-alpha.0.110
+