PSA: While you wait for Karabiner to support Sierra, you can achieve some of the same results with BetterTouchTool. Here is what I did for media player controls on a non-Apple keyboard. :
custom keyboard - Applescript to Map Esc to Caps Lock when tapped; Control to Caps Lock when pressed (macOS Sierra)? - Stack Overflow
Complex keyboard remapping now possible in Sierra with Karabiner-Elements: How to Remap Caps Lock to Escape and Control, Vim HJKL Arrow Keys : r/mac
A Hyper Key Solution for Mac OSX Sierra – Stephen McLeod Blythe – Clicky Steve
macos - eliminate MacBook CapsLock delay - Super User
macos - Using Caps Lock as Esc in Mac OS X - Stack Overflow
Supercharge Your Caps Lock: Remapping with Karabiner Elements
How to map CapsLock to Control and Escape on Mac OS X | by Max Pechyonkin | Medium
Make caps lock "hyper" key? - Questions & Suggestions - Keyboard Maestro Discourse
Remapping Caps Lock in macOS Sierra
How do add native Mac hotkeys to my keyboard? – WASD Support
Caps Lock LED not working | Karabiner-Elements
caps lock hold not working sometimes · Issue #1191 · pqrs-org/Karabiner-Elements · GitHub
Keybinds stop working when using Caps-lock · Issue #2114 · pqrs-org/ Karabiner-Elements · GitHub
macos - Using Caps Lock as Esc in Mac OS X - Stack Overflow
Caps Lock LED Not Working (macOS Mojave beta) · Issue #1502 · pqrs-org/ Karabiner-Elements · GitHub
Caps Lock LED no more working since 0.90.67 (still on 0.90.68) · Issue #467 · pqrs-org/Karabiner-Elements · GitHub
mac - Bind caps lock key to tmux prefix on macos sierra - Super User
Remapping keys on macOS | chuyeow
How to map CapsLock to Control and Escape on Mac OS X | by Max Pechyonkin | Medium
How to Remap Caps Lock to Any Other Key in Mac
Christopher - The Next Era of Remapping Caps Lock
Complex keyboard remapping now possible in Sierra with Karabiner-Elements: How to Remap Caps Lock to Escape and Control, Vim HJKL Arrow Keys : r/mac
Map Caps Lock to Escape in macOS Sierra #seil - Today I Learned
Bug: Caps Lock delay not working properly · Issue #1358 · pqrs-org/Karabiner-Elements · GitHub
macos - Using Caps Lock as Esc in Mac OS X - Stack Overflow
Hyper Key Vim-style navigation with Karabiner Elements - BrettTerpstra.com
