jabcon 6 JabCon 2024 Sep 18, 2024 JabCon 2022 Sep 5, 2022 JabCon 2021 Sep 17, 2021 JabCon 2019 & JabRef 5.0 Alpha release Aug 27, 2019 JabCon 2018 Feb 14, 2018 Survey and JabCon 2016 Jan 27, 2016