Document Circleci cache uniqueness /renewal > @gaspar-ilom i don't make sense of the circleci error, as if cache was partial at https://app.circleci.com/pipelines/github/gaspar-ilom/heads/14/workflows/b282ff7a-03b4-43af-aed1-369e0454906f/jobs/709

Remove/move legacy boards out of prerequisites to not confuse newcomers

HOTP/TOTP docs unclear to end users

TPM DUK vs Disk Recovery Key passphrase still unclear for users

Upgrading refers to "upgradability validation" which is not defined

test issue creation/close for matrix room <-> linuxboot/heads-wiki

Reference - Linux Foundation 2025 - Ron Minnich - Deploying Linux as Firmware at global scale: Update

Refresh About Heads main screen images to show different GUI: laptop/workstation (fbwhiptail) and server (whiptail)

Replace all ch341a references in docs to Tiguard

Document how to use github bot under matrix channel