According to the GB runner, the PCB supports ISO layout, but the supplied plate does not.[^1][^2]
Product renders and GB runner comments both show support for split Backspace,[^3] but no switch matrix data is currently available.
- @noroadsleft, 23 June, 2023
┌───────┐
2u Backspace │?? │
└───────┘
┌───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┬───┐
│00 │01 │02 │03 │04 │05 │06 │07 │08 │09 │0A │0B │0C │0D │0E │0F │
├───┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴───┼───┤ ┌─────┐
│10 │12 │13 │14 │15 │16 │17 │18 │19 │1A │1B │1C │1D │1E │1F │ │ │
├─────┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴┬──┴─────┼───┤ ┌──┴┐?? │ ISO Enter
│20 │22 │23 │24 │25 │26 │27 │28 │29 │2A │2B │2C │2E │2F │ │?? │ │
├────┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴─┬─┴────┬───┼───┤ └───┴────┘
│30 │?? │32 │33 │34 │35 │36 │37 │38 │39 │3A │3B │3D │3E │3F │
├────┴┬──┴┬──┴──┬┴───┴───┴───┴───┴───┴───┴──┬┴───┴┬─┬───┼───┼───┤
│40 │42 │43 │47 │4B │ │4D │4E │4F │
└─────┴───┴─────┴───────────────────────────┴─────┘ └───┴───┴───┘
┌────────┐
│30 │ 2.25u LShift
└────────┘
┌─────┬──┬─────┬───────────────────────────┬─────┐
│40 │ │43 │47 │4B │ Blocker WKL
└─────┘ └─────┴───────────────────────────┴─────┘
[^1]: Geekhack Interest Check, Original Post [^2]: Reddit Interest Check [^3]: Geekhack Interest Check, reply #102