# HapaxOS **URL:** https://squarp.community/c/hapax/hapaxos/20.md [Latest](https://squarp.community/latest.md) · [Categories](https://squarp.community/categories.md) --- ## [hapaxOS 3.20 stable release is out!](https://squarp.community/t/hapaxos-3-20-stable-release-is-out/16428)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 55\ **Last updated:** [October 9, 2026, 5:26pm UTC](https://squarp.community/t/hapaxos-3-20-stable-release-is-out/16428 "2026-10-09T17:26:01Z")
POLY AFTERTOUCH Some of you asked for it for years, here it is :). A new track type, AFTR, sitting right after MPE in the track-type list. Every note carries its own pressure curve, drawn and edited in Step mode ex… --- ## [💿 hapaxOS 3.10 released](https://squarp.community/t/hapaxos-3-10-released/16263)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 34\ **Last updated:** [August 26, 2026, 10:20am UTC](https://squarp.community/t/hapaxos-3-10-released/16263 "2026-08-26T10:20:58Z")
Hey everyone, We’re excited to announce that hapaxOS 3.10 is now available! Building on the foundation of 3.00, this update brings highly requested creative tools to Hapax. Key Highlights: Expanded Step Drum: Tracks… --- ## [💿 hapaxOS 3.00 released](https://squarp.community/t/hapaxos-3-00-released/16123)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 31\ **Last updated:** [June 13, 2026, 6:04am UTC](https://squarp.community/t/hapaxos-3-00-released/16123 "2026-06-13T06:04:22Z")
Hey everyone, We’re excited to announce that hapaxOS 3.00 is now available :rocket: This major update introduces powerful new features, including MPE support and Virtual Cables, along with a range of bug fixes and perf… --- ## [💿 hapaxOS PUBLIC BETA 2.30 F](https://squarp.community/t/hapaxos-public-beta-2-30-f/16013)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 22\ **Last updated:** [April 7, 2026, 2:16pm UTC](https://squarp.community/t/hapaxos-public-beta-2-30-f/16013 "2026-04-07T14:16:31Z")
A huge thank you to our beta testers, your insights have been crucial in refining this software. We are pleased to announce that Beta F is officially available for download: HapaxOS update | Squarp instruments We’ve a… --- ## [💿 hapaxOS PUBLIC BETA 2.30 E](https://squarp.community/t/hapaxos-public-beta-2-30-e/15972)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 9\ **Last updated:** [February 27, 2026, 9:49pm UTC](https://squarp.community/t/hapaxos-public-beta-2-30-e/15972 "2026-02-27T21:49:03Z")
Hey everyone, Thank you so much for your beta testing and your incredibly valuable feedback! We’re excited to announce that a new beta version (E) is now available here: HapaxOS update | Squarp instruments Improved … --- ## [OS 2.30 - Virtual Cables - Instrument Definitions?](https://squarp.community/t/os-2-30-virtual-cables-instrument-definitions/16002)
**Author:** [@ianonhere](https://squarp.community/u/ianonhere)\ **Replies:** 2\ **Last updated:** [February 26, 2026, 7:43am UTC](https://squarp.community/t/os-2-30-virtual-cables-instrument-definitions/16002 "2026-02-26T07:43:34Z")
I may have missed this but what is the correct format for specifying the port in the definitions txt files when using virtual cables? Previously (when using the Device port) it would have just been USBD. What is it now … --- ## [💿 hapaxOS PUBLIC BETA 2.30 D](https://squarp.community/t/hapaxos-public-beta-2-30-d/15913)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 95\ **Last updated:** [February 20, 2026, 3:59pm UTC](https://squarp.community/t/hapaxos-public-beta-2-30-d/15913 "2026-02-20T15:59:44Z")
Hey everyone, We’re excited to share that the upcoming hapaxOS 2.30 firmware is now available as a public beta! This release introduces brand-new features, most notably MPE support and Virtual Cables, along with imp… --- ## [hapaxOS PUBLIC BETA 2.00B](https://squarp.community/t/hapaxos-public-beta-2-00b/10490)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 67\ **Last updated:** [January 31, 2026, 12:06pm UTC](https://squarp.community/t/hapaxos-public-beta-2-00b/10490 "2026-01-31T12:06:59Z")
Hey everyone ! Here’s an updated version of the beta firmware: hapaxOS 2.00BETA B It should fix the known issue of instrument definition files not loading, and a couple other bugs. Word of caution ! As noted by mem… --- ## [💿 hapaxOS 2.21 released](https://squarp.community/t/hapaxos-2-21-released/14659)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 10\ **Last updated:** [November 22, 2025, 9:47am UTC](https://squarp.community/t/hapaxos-2-21-released/14659 "2025-11-22T09:47:43Z")
hapaxOS 2.21 is out! :police\_car\_light: This maintenance update includes an important regression fix from 2.20. In addition, 2.21 includes six bug fixes based on recent user reports. Update recommended for all users … --- ## [hapaxOS 2.10 - new firmware](https://squarp.community/t/hapaxos-2-10-new-firmware/13578)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 40\ **Last updated:** [November 20, 2025, 10:42pm UTC](https://squarp.community/t/hapaxos-2-10-new-firmware/13578 "2025-11-20T22:42:49Z")
Hey everyone, We’ve just released version 2.10 of hapaxOS! With 3 new effects, a new algo, new ways to edit events in STEP mode, this version is packed full of features! To download this update, and for more detail… --- ## [💿 hapaxOS 2.20 released](https://squarp.community/t/hapaxos-2-20-released/14623)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 5\ **Last updated:** [July 28, 2025, 5:00am UTC](https://squarp.community/t/hapaxos-2-20-released/14623 "2025-07-28T05:00:49Z")
HapaxOS 2.20 is here! Get the firmware here This update focuses on drum workflow improvements: STEP Drum MIDI import/export Now you can download, create and share drum MIDI files! Import your patterns from any DAW … --- ## [💿 hapaxOS PUBLIC BETA 2.20 C](https://squarp.community/t/hapaxos-public-beta-2-20-c/14563)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 12\ **Last updated:** [July 22, 2025, 10:46am UTC](https://squarp.community/t/hapaxos-public-beta-2-20-c/14563 "2025-07-22T10:46:09Z")
Hi everyone, We’re releasing this new beta just a few days after beta B to address a major issue: a fix for randomly lit LEDs. Thanks to your reports, we were able to quickly identify and resolve the problem. Check out… --- ## [💿 hapaxOS PUBLIC BETA 2.20 A](https://squarp.community/t/hapaxos-public-beta-2-20-a/14497)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 32\ **Last updated:** [July 21, 2025, 3:28pm UTC](https://squarp.community/t/hapaxos-public-beta-2-20-a/14497 "2025-07-21T15:28:37Z")
Hey everyone, We’re excited to announce the public BETA release of the upcoming hapaxOS 2.20 firmware! This version brings new features, important bug fixes, performance optimizations, and we’d love your help testin… --- ## [hapaxOS 2.13 released](https://squarp.community/t/hapaxos-2-13-released/14188)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 4\ **Last updated:** [July 21, 2025, 1:58pm UTC](https://squarp.community/t/hapaxos-2-13-released/14188 "2025-07-21T13:58:24Z")
Hello everyone, We’re excited to share that hapaxOS 2.13 is now available! Get the update here This update primarily includes important bug fixes to enhance stability and performance. — The Squarp Instruments Team … --- ## [💿 hapaxOS PUBLIC BETA 2.20 B](https://squarp.community/t/hapaxos-public-beta-2-20-b/14557)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 10\ **Last updated:** [July 3, 2025, 2:19pm UTC](https://squarp.community/t/hapaxos-public-beta-2-20-b/14557 "2025-07-03T14:19:05Z")
Hey everyone, Thank you all for your valuable feedback during beta testing! A new beta firmware is now available, addressing several reported issues and bringing improvements to the new MIDI Drum Import/Export feature. … --- ## [hapaxOS 2.12 released](https://squarp.community/t/hapaxos-2-12-released/13996)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 3\ **Last updated:** [April 8, 2025, 9:44pm UTC](https://squarp.community/t/hapaxos-2-12-released/13996 "2025-04-08T21:44:03Z")
Hey everyone, We’re thrilled to announce the release of hapaxOS 2.12! A huge thank you to everyone who participated in the beta testing. Get the update here This update marks a major leap forward, with a strong focus … --- ## [hapaxOS 2.12 beta A (public beta firmware)](https://squarp.community/t/hapaxos-2-12-beta-a-public-beta-firmware/13966)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 8\ **Last updated:** [April 8, 2025, 9:09pm UTC](https://squarp.community/t/hapaxos-2-12-beta-a-public-beta-firmware/13966 "2025-04-08T21:09:56Z")
Hey everyone! We’re excited to announce the public beta firmware for the upcoming hapaxOS 2.12 release. This update is a major step forward, primarily focused on bug fixes and significant performance improvements, espe… --- ## [hapaxOS 2.11 - new firmware](https://squarp.community/t/hapaxos-2-11-new-firmware/13721)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 12\ **Last updated:** [February 28, 2025, 11:17pm UTC](https://squarp.community/t/hapaxos-2-11-new-firmware/13721 "2025-02-28T23:17:13Z")
Hello everyone, We’re excited to announce the release of hapaxOS 2.11 ! This update addresses bugs introduced in the previous version, ensuring a smoother and more reliable experience. Download the update and check out… --- ## [hapaxOS 2.10 BETA B - public BETA firmware](https://squarp.community/t/hapaxos-2-10-beta-b-public-beta-firmware/13511)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 8\ **Last updated:** [January 17, 2025, 3:43pm UTC](https://squarp.community/t/hapaxos-2-10-beta-b-public-beta-firmware/13511 "2025-01-17T15:43:42Z")
Hey everyone! Today we’re releasing the second public BETA firmware for the upcoming 2.10 release of hapaxOS. This release includes a couple of bugfixes related to the LOOPER and the SHAPER effect, as well as a coup… --- ## [hapaxOS 2.10 BETA A - public BETA firmware](https://squarp.community/t/hapaxos-2-10-beta-a-public-beta-firmware/13279)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 56\ **Last updated:** [January 15, 2025, 9:54am UTC](https://squarp.community/t/hapaxos-2-10-beta-a-public-beta-firmware/13279 "2025-01-15T09:54:06Z")
Hey everyone! We’re excited to be releasing a public beta firmware, for the upcoming 2.10 release of hapaxOS! Included: New FXs Drum transposition per step A new Algo Quantized Recording Bugfixes Word of caution ! … --- ## [hapaxOS 2.03 - new firmware](https://squarp.community/t/hapaxos-2-03-new-firmware/11919)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 6\ **Last updated:** [October 16, 2024, 7:22pm UTC](https://squarp.community/t/hapaxos-2-03-new-firmware/11919 "2024-10-16T19:22:13Z")
Hey everyone, We’ve just released version 2.03 of hapaxOS! While this release is primarily bug fixes, pattern Program Changes have been reworked to be more usable and powerful. To download this update, and for more… --- ## [hapaxOS Public BETA 2.03 K](https://squarp.community/t/hapaxos-public-beta-2-03-k/11904)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 3\ **Last updated:** [October 7, 2024, 3:19pm UTC](https://squarp.community/t/hapaxos-public-beta-2-03-k/11904 "2024-10-07T15:19:26Z")
Hey everyone! Here’s an updated 2.03 BETA version, which fixes several bugs regarding MIDI I/O, snapshot, Pattern PC and REC. Word of caution ! As noted by members of the community, it is recommended to make a backu… --- ## [hapaxOS Public BETA 2.03H](https://squarp.community/t/hapaxos-public-beta-2-03h/11877)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 2\ **Last updated:** [October 4, 2024, 2:24pm UTC](https://squarp.community/t/hapaxos-public-beta-2-03h/11877 "2024-10-04T14:24:47Z")
Hey everyone! Here’s an updated 2.03 BETA version, which fixes two bugs regarding snapshot. HapaxOS - BETA firmware page Word of caution ! As noted by members of the community, it is recommended to make a backup of… --- ## [hapaxOS PUBLIC BETA 2.03G](https://squarp.community/t/hapaxos-public-beta-2-03g/11862)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 3\ **Last updated:** [September 25, 2024, 8:26am UTC](https://squarp.community/t/hapaxos-public-beta-2-03g/11862 "2024-09-25T08:26:35Z")
Hey everyone! We’re releasing a public beta firmware, for the upcoming 2.03 release of hapaxOS. Changes This release fixes a number of bugs, but also introduced two features in PATTERN mode. Firstly, you can save t… --- ## [hapaxOS 1.16 - new firmware](https://squarp.community/t/hapaxos-1-16-new-firmware/10181)
**Author:** [@squarpadmin](https://squarp.community/u/squarpadmin)\ **Replies:** 23\ **Last updated:** [May 17, 2024, 3:33am UTC](https://squarp.community/t/hapaxos-1-16-new-firmware/10181 "2024-05-17T03:33:43Z")
hapaxOS 1.16 is available to download! This update is mainly focused on improving the latency, the jitter and the overall timing precision of midi inputs + midi outputs (midi din5 and USB). Hapax is now sending and re… --- ## [hapaxOS 2.02 - new firmware](https://squarp.community/t/hapaxos-2-02-new-firmware/11175)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 10\ **Last updated:** [April 16, 2024, 12:51pm UTC](https://squarp.community/t/hapaxos-2-02-new-firmware/11175 "2024-04-16T12:51:04Z")
Hey everyone, We’ve just released version 2.02 of hapaxOS! Please note this release is almost exclusively bugfixes. To download this update, and for more details about the release, click on the link below: Cheers… --- ## [hapaxOS 2.01 - new firmware](https://squarp.community/t/hapaxos-2-01-new-firmware/10876)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 1\ **Last updated:** [February 12, 2024, 5:36pm UTC](https://squarp.community/t/hapaxos-2-01-new-firmware/10876 "2024-02-12T17:36:46Z")
Hey everyone, We’ve just released version 2.01 of hapaxOS, which addresses a bug with MPE channels, introduced in version 2.00 --- ## [hapaxOS 2.00 - new firmware](https://squarp.community/t/hapaxos-2-00-new-firmware/10736)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 44\ **Last updated:** [February 9, 2024, 3:17pm UTC](https://squarp.community/t/hapaxos-2-00-new-firmware/10736 "2024-02-09T15:17:13Z")
Hey everyone ! We are pleased to announce the official release of version 2.00 of hapaxOS! We are very proud of all the new features added in this version. A big thank you to all the beta testers for their tremendou… --- ## [hapaxOS PUBLIC BETA 2.00C](https://squarp.community/t/hapaxos-public-beta-2-00c/10546)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 25\ **Last updated:** [January 15, 2024, 3:36pm UTC](https://squarp.community/t/hapaxos-public-beta-2-00c/10546 "2024-01-15T15:36:10Z")
Hey y’all ! Here’s an updated version of the beta firmware: hapaxOS 2.00BETA C It fixes most reported bugs of beta B. Word of caution ! As noted by members of the community, it is recommended to make a backup of y… --- ## [hapaxOS PUBLIC BETA 2.00 RC](https://squarp.community/t/hapaxos-public-beta-2-00-rc/10673)
**Author:** [@Thibault](https://squarp.community/u/Thibault)\ **Replies:** 2\ **Last updated:** [January 6, 2024, 8:16pm UTC](https://squarp.community/t/hapaxos-public-beta-2-00-rc/10673 "2024-01-06T20:16:37Z")
Hey y’all ! We’re almost ready for the final release! After some time off for the holidays, we’re back with the Release Candidate version, i.e. “hopefully the last beta”. hapaxOS 2.00 RC Word of caution ! As noted… [Next page](https://squarp.community/c/hapax/hapaxos/20.md?page=1)