This is maybe about the limit for a list like this, and I omitted a few less interesting ones. If anyone knows of a good thread that I missed, we can merge it in!

Show HN: Xlibe – A serverless Xlib (X11) compatibility layer for Haiku - https://news.ycombinator.com/item?id=31167562 - April 2022 (46 comments)

Giving Haiku Beta 3 a try - https://news.ycombinator.com/item?id=29757451 - Jan 2022 (48 comments)

My progress in porting Wine - https://news.ycombinator.com/item?id=29753069 - Dec 2021 (62 comments)

Haiku Now Has Experimental 3D Acceleration - https://news.ycombinator.com/item?id=29390689 - Nov 2021 (71 comments)

Haiku has hired an existing contributor to work on Haiku full-time - https://news.ycombinator.com/item?id=28305191 - Aug 2021 (105 comments)

20 Years of Haiku - https://news.ycombinator.com/item?id=28241255 - Aug 2021 (119 comments)

Haiku Beta 3 - https://news.ycombinator.com/item?id=27955755 - July 2021 (96 comments)

HaikuOS running on RISC-V hardware (HiFive Unmatched) - https://news.ycombinator.com/item?id=27867941 - July 2021 (80 comments)

The Dawn of Haiku OS (2012) - https://news.ycombinator.com/item?id=27616822 - June 2021 (15 comments)

Haiku Monthly Activity Report – May 2021 - https://news.ycombinator.com/item?id=27395511 - June 2021 (20 comments)

Haiku OS ported and running on RISC-V - https://news.ycombinator.com/item?id=27129305 - May 2021 (86 comments)

Haiku Activity Report – January 2021 - https://news.ycombinator.com/item?id=26055781 - Feb 2021 (24 comments)

Haiku: Call for Wallpapers - https://news.ycombinator.com/item?id=24756787 - Oct 2020 (24 comments)

Haiku: Contest for System Sounds - https://news.ycombinator.com/item?id=24593719 - Sept 2020 (15 comments)

A decidedly non-Linux distro walkthrough: Haiku R1/beta2 - https://news.ycombinator.com/item?id=23676975 - June 2020 (46 comments)

Haiku R1/beta2 has been released - https://news.ycombinator.com/item?id=23469209 - June 2020 (254 comments)

Haiku Alpha 1: Rebirth of legend - https://news.ycombinator.com/item?id=22401383 - Feb 2020 (14 comments)

500 Byte Images: The Haiku Vector Icon Format (2016) - https://news.ycombinator.com/item?id=22373422 - Feb 2020 (91 comments)

The Haiku Operating System - https://news.ycombinator.com/item?id=20812877 - Aug 2019 (1 comment)

My sixth day with Haiku: Under the hood of resources, icons, and packages - https://news.ycombinator.com/item?id=20443136 - July 2019 (38 comments)

Most long-standing XHCI (USB 3.0+) issues resolved - https://news.ycombinator.com/item?id=19352839 - March 2019 (58 comments)

Haiku Beta is finally here - https://news.ycombinator.com/item?id=18769814 - Dec 2018 (53 comments)

What makes BeOS and Haiku unique - https://news.ycombinator.com/item?id=18583722 - Dec 2018 (219 comments)

Haiku R1/beta1 has been released - https://news.ycombinator.com/item?id=18099127 - Sept 2018 (79 comments)

The State of Rust on Haiku - https://news.ycombinator.com/item?id=17472907 - July 2018 (84 comments)

LibreOffice is now available for Haiku - https://news.ycombinator.com/item?id=17440862 - July 2018 (157 comments)

Haiku Project - https://news.ycombinator.com/item?id=15973918 - Dec 2017 (64 comments)

Scripting the Haiku GUI with hey - https://news.ycombinator.com/item?id=15697697 - Nov 2017 (47 comments)

Trying to work in Haiku, the BeOS successor - https://news.ycombinator.com/item?id=14697308 - July 2017 (24 comments)

Porting Swift to Haiku - https://news.ycombinator.com/item?id=14617453 - June 2017 (49 comments)

Haiku booting in UEFI mode - https://news.ycombinator.com/item?id=13200633 - Dec 2016 (94 comments)

Haiku Project - https://news.ycombinator.com/item?id=12566056 - Sept 2016 (143 comments)

500 Byte Images: The Haiku Vector Icon Format - https://news.ycombinator.com/item?id=12420763 - Sept 2016 (81 comments)

Haiku OS Action – From BeOS compatible to Desktop [video] - https://news.ycombinator.com/item?id=9713843 - June 2015 (4 comments)

Haiku OS – Fundraising 2015 - https://news.ycombinator.com/item?id=9046701 - Feb 2015 (27 comments)

Whatever Happened to BeOS? - https://news.ycombinator.com/item?id=8175135 - Aug 2014 (17 comments)

Interview with Haiku developer Paweł Dziepak - https://news.ycombinator.com/item?id=7754772 - May 2014 (47 comments)

Haiku meets 9th processor - https://news.ycombinator.com/item?id=6987731 - Dec 2013 (44 comments)

Haiku Operating System - https://news.ycombinator.com/item?id=5564766 - April 2013 (110 comments)

Haiku OS (BeOS clone) - https://news.ycombinator.com/item?id=4123941 - June 2012 (46 comments)

HaikuOS x86_64 port part of Google Summer of Code - https://news.ycombinator.com/item?id=3906710 - April 2012 (15 comments)

The Dawn of Haiku OS - https://news.ycombinator.com/item?id=3904972 - April 2012 (110 comments)

* Haiku Project Announces Availability of Haiku R1/Alpha 2* - https://news.ycombinator.com/item?id=1334827 - May 2010 (11 comments)

Haiku: A Perfect Desktop Operating System? - https://news.ycombinator.com/item?id=1009751 - Dec 2009 (5 comments)

Haiku - https://news.ycombinator.com/item?id=826986 - Sept 2009 (29 comments)

Haiku Project Announces Availability of Haiku R1/Alpha 1 - https://news.ycombinator.com/item?id=820844 - Sept 2009 (20 comments)

Haiku OS first alpha scheduled for September 6th - https://news.ycombinator.com/item?id=767766 - Aug 2009 (11 comments)

BeOS Lives: Haiku Impresses - https://news.ycombinator.com/item?id=475756 - Feb 2009 (19 comments)