No logical changes. Mention geckodriver is alpha in CHANGELOG

rb - change version to dev

updating Java changelog for beta2

Tagging 3.0.0-beta1

2.53.1 version number bump

bumping version numbers and updating changelog for 2.53 (python & java)

updating java changelog, 2.52.0 release

Java changelog and release bump to 2.51.0

bumping to 2.50.1 release, updating changelog

updating java changelog and version number bump for 2.50