Zulip 6.0: Threaded open-source team chat
blog.zulip.com
blog.zulip.com
(all but the top one copied from dang at https://news.ycombinator.com/item?id=30848667)
Zulip 5.0: Threaded open-source team chat - https://news.ycombinator.com/item?id=30846659 - March 2022 (89 comments)
Zulip Cloud security vulnerability with reusable invitation links - https://news.ycombinator.com/item?id=30479430 - Feb 2022 (35 comments)
Why Zulip will stand the test of time - https://news.ycombinator.com/item?id=29595926 - Dec 2021 (80 comments)
Why Zulip will not get on the blockchain bandwagon - https://news.ycombinator.com/item?id=29205346 - Nov 2021 (195 comments)
Zulip 4.0: Threaded open source team chat - https://news.ycombinator.com/item?id=27149123 - May 2021 (170 comments)
Zulip 3.0: Threaded Open Source Team Chat - https://news.ycombinator.com/item?id=23860338 - July 2020 (133 comments)
Zulip 2.0: Open source team chat - https://news.ycombinator.com/item?id=19284321 - March 2019 (96 comments)
Zulip Server 1.9: HipChat import and much more - https://news.ycombinator.com/item?id=18400988 - Nov 2018 (123 comments)
Zulip – Open-source, threading-based Slack alternative - https://news.ycombinator.com/item?id=17622987 - July 2018 (99 comments)
Slack channels are a waste of time - https://news.ycombinator.com/item?id=17622707 - July 2018 (49 comments)
Zulip 1.8: Free software Slack alternative with email-style threading - https://news.ycombinator.com/item?id=16863675 - April 2018 (148 comments)
Zulip Server 1.6 released - https://news.ycombinator.com/item?id=14506426 - June 2017 (14 comments)
Dropbox has open-sourced Zulip - https://news.ycombinator.com/item?id=10279961 - Sept 2015 (313 comments)
Dropbox Acquires Zulip, A Stealthy Workplace Chat Solution Still In Private Beta - https://news.ycombinator.com/item?id=7419408 - March 2014 (14 comments)