Release version v1.6.0

This release splits off reusable QMK features development to a submodule repo getreuer/qmk-modules, using QMK's new Community Modules framework. Community Modules make features more powerful and easier to install.

New since v1.5.0:

• 🚀 Achordion has evolved to QMK core feature Chordal Hold!
  • Chordal Hold is available for ZSA keyboards in Oryx.
  • See Relationship between Achordion and Chordal Hold for comparison and migration suggestions.
• 🚀 Tap Flow is a new module and added to QMK as core feature Flow Tap!
  • Flow Tap is available for ZSA keyboards in Oryx.
  • Flow Tap adds global quick tap behavior, aka require prior idle, to QMK.
• 🚀 Keycode String is a new module and added to QMK as a core feature. Useful for debugging, Keycode String is a utility to convert a keycode numeric value to a human-readable string.
• 🚀 Several features are now integrated in Vial 0.7.4: Repeat Key, Caps Word, Layer Lock, Chordal Hold, Flow Tap!
• SOCD Cleaner is a new module for Simultaneous Opposing Cardinal Directions (SOCD) filtering, useful for fast gaming inputs.
• PaletteFx is a new module for palette-based animated RGB Matrix effects. Eye candy for your keyboard.
• Lumino is a new module for a minimal, opinionated control scheme for RGB matrix lighting.

Improved:

• Achordion

  • Revision to eager mods, addressing #53 and #68. Thanks to @JanValiska and @Ceffa93 in investigating these issues.
  • Interoperation with automouse layer support (#70). Thanks to @drashna.
  • Fixed interoperation bug with combos (#50). Thanks to @Sigvah and @SavageMessiah for help in tracking down this bug.
  • Fixed eager MT holds and Retro Tap (#68). Thanks to @MichaelOstermann for spotting this regression.
  • Fixed build error with ACHORDION_STREAK (#71). Thanks to @proostas for reporting and to @gazpachoking for spotting this.
  • Fixed Shifting with Caps Word (#74). Thanks to @gazpachoking for catching and suggesting the fix.
  • Fixed edge cases with eager mods + Retro Tap and eager mods + CAPS_WORD_INVERT_ON_SHIFT.

• Custom shift keys: added a layer mask option.

• Orbital Mouse: added slow mode with key OM_SLOW. While held, movements are slower, useful for fine adjustments.

• Select Word: Rewrite for OS configurability, optionally based on QMK's OS Detection feature, and added a selection key SELWBAK to select words backwards. Thanks to helpful suggestions from @Regnareb and @arkanoryn.

• Sentence Case

  • Added SENTENCE_CASE_DEBUG ifdef to enable debug printing. Thanks to @EdenEast.
  • Added is_sentence_case_primed() function to test whether Sentence Case is in "primed" state.
  • Fixed on/off/toggle keys (getreuer/qmk-modules#8). Thanks to @elpekenin for
    catching and diagnosing.