Update the design document
Originally created by @BitingBird on #7341 (Redmine)
The section “future” from the design document is quite retro (speaks of 0.7). It should be updated, or maybe dropped alltogether, as it’s not the adequate place to keep future plans (it could link to the roadmap instead).
https://tails.boum.org/contribute/design/#index7h2
The section “caveats” should link to known issues rather than the roadmap.