Bernhard proposed changes to the S_D_E spec on the rb-general list, which we discussed and found largely uncontroversial, so we went on to prepare actual MRs and propose them on the list:
https://salsa.debian.org/reproducible-builds/specs/source-date-epoch-spec/-/merge_requests/8 links to all the others:
In addition to that, we found the ‘motivation’ part of the S_D_E spec to be quite severely outdated… Now updated in MR #2
Announced a request for feedback in https://lists.reproducible-builds.org/pipermail/rb-general/2026-September/004165.html with a deadline of 2026-12-01