v1.1-0.21.0-rc1

[Huckies]

What's Changed

• keyboards/imk64:jactry: Add a custom key CK_OSMD for switching system mode and some system-specific settings. by @jactry in keyboards/imk64:jactry: Add a custom key CK_OSMD for switching system mode and some system-specific settings. #109
• QMK update by @Huckies in QMK update #114
• QMK update by @Huckies in QMK update #115

Full Changelog: v1.1-0.20.8...v1.1-0.21.0-rc1

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This discussion was created from the release v1.1-0.21.0-rc1.