Uploaded September 2026 | Updated September 2026, 1 day ago

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Kastle 2/Citadel FW Update v1.7 is LIVE!

The official v1.7 firmware update adds:

• Humanize and Swing
• Assignable LFO MOD destinations
• MIDI velocity and sustain for Alchemist
• CC32 control for Humanize and Swing
• Small fixes

► DOWNLOAD THE OFFICIAL UPDATE:
bastl-instruments.com/instruments

► COMPLETE FEATURE LIST + UPDATE INSTRUCTIONS:
bastl-instruments.com/content/files/bastl-kastle-2-citadel-fw-update-1.7-brief-overview.pdf

► SOURCE CODE + COMPLETE FIRMWARE LIST:
github.com/bastl-instruments/kastle2


COMMUNITY FIRMWARE

► KNOSCILLATOR:
github.com/ddf/kastle2/releases/tag/knoscillator-v1.0.0

► GLAZMO_SKRUB:
olivertorr.gumroad.com/l/glazmo-kastle2-skrub

► GLAZMO_KICK:
olivertorr.gumroad.com/l/glazmo-kastle2-kick
instagram.com/glazmo.research

► KASTLE CHAN:
github.com/sxilence6/kastle-chan/releases/tag/v1.0



Made something with Kastle 2 or working on your own firmware? Join our Discord and show us what the little machine has become:
discord.gg/C4RXRjgYJ6

► NEW KASTLE 2 MERCH:
Shaping the Waves T-shirt
shop.bastl-instruments.com/home/shaping-the-waves-t-shirt.html

00:00 Intro
00:35 Kastle 2 and Citadel
01:17 Favorite Features
06:58 Open Source
07:28 Community firmware
15:55 Wrap-up

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► GET OUR INSTRUMENTS:
shop.bastl-instruments.com

► LIST OF RETAILERS:
bastl-instruments.com/retailers

► EXCLUSIVE CONTENT AND COMMUNITY:
discord.gg/C4RXRjgYJ6

FOLLOW US

Twitter: twitter.com/bastlinstrument
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Instagram: instagram.com/bastlinstruments
Discord: discord.gg/C4RXRjgYJ6
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GitHub: github.com/bastl-instruments