Update changelog, set next version to be 2.1.0

Author: adangel

CHANGELOG.md

@@ -4,6 +4,17 @@
 
 ## [Unreleased]
 
+### Changed
+
+- Various improvements #266
+  - Fixed: Intermediate progress bars can't display fractional updates (when running PMD on multiple files)
+  - Fixed: IntelliJ crash on startup due to conflicting slf4j version
+  - Improve overall language detection
+  - Use/Display normal "Suppression Fix" if possible
+  - Prevent analysis of outdated file content from disk and use IntelliJ's internal PSIFile instead
+  - Do not classify unknown files as Java and ignore them
+  - Render rule descriptions as markdown
+
 ## [2.0.9] - 2025-07-20
 
 ### Changed

gradle.properties

@@ -4,7 +4,7 @@
 pluginName = PMD
 pluginRepositoryUrl = https://github.com/amitdev/PMD-Intellij
 # SemVer format -> https://semver.org
-pluginVersion = 2.1.2
+pluginVersion = 2.1.0
 
 # See https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 # for insight into build numbers and IntelliJ Platform versions.