Update changelog

Author: shs96c

java/CHANGELOG

@@ -1,3 +1,28 @@
+v3.0.0-beta1
+============
+
+IMPORTANT CHANGES
+
+* Minimum java version is now 8+
+* The original RC APIs are only available via the leg-rc package.
+* To run exported IDE tests, ensure that the leg-rc package is on the
+  classpath.
+* Support for Firefox is via Mozilla's geckodriver. You may download
+  this from https://github.com/mozilla/geckodriver/releases
+* Support for Safari is provided on macOS (Sierra or later) via
+  Apple's own safaridriver.
+* Support for Edge is provided by MS:
+  https://developer.microsoft.com/en-us/microsoft-edge/tools/webdriver/
+* Official support for IE requires version 9 or above. Earlier
+  versions may work, but are no longer supported as MS has
+  end-of-lifed them.
+
+Other major changes:
+
+* New html-table runner backed by WebDriver.
+* Unused command line arguments are now no longer parsed.
+
+
 v2.53.0
 =======