[chore] fill in changelog with notable changes

Author: kares

History.md

@@ -4,8 +4,12 @@
 - Support Javax Servlet API 4.0 (JEE 8)
 - Adds basic compatibility with JRuby 10.0
 - Drop support for JRuby 9.3
-- Drop unnecessary jruby.compat.version and RackConfig.getCompatVersion() API
+- Drop unnecessary `jruby.compat.version` and `RackConfig.getCompatVersion()` API
 - Drop JMS support
+- Drop deprecated `RackLogger` string (level) constants
+- Drop `jruby.rack.jruby.version` and `jruby.rack.rack.release` keys from rack `env` Hhsh
+- Change context listener to throw, in case of an exception during initialization, by default
+- Change rails context listener to assume a thread-safe application by default
 - update (bundled) rack to 2.2.17
 - Fix Rails 7.1 CSRF protection when working with `JavaServletStore` sessions