BCD: Safari tech preview

[exe-boss]

We could do "version_added": "system:nightly", which would be converted into the nightly release by the compatibility table loader.

See also:

BCD question: flag and "enabled by default in nightly only"

The Payment Request API has been available in part since Firefox 55, behind a preference. The API is now enabled by defaut on nightly builds only in Firefox 64. How do you write that in BCD? Would this be the way to go? "firefox": [ { "version_added": "64", "notes": "Enabled by default in Nightly builds." }, { "version_added": "55", "flags": [ { "type": "preference", "name": "dom.payments.request.enabled", "value_to_set": "true" } ]…

BCD question: flag and "enabled by default in nightly only"

This would also make it so that the table cell would be red with the version text being changed from “62” into “Beta 62”.