- release-notes.html: Add commits for Gaps 3-5-7-4, tagged releases table,
architectural gap status table, updated GitHub links
- implementation-log.html: Add Build 20/19/18 timeline entries, Gap 3-4-5
milestones, updated quality/build history sections
- reports.html: Update FPGA status to Build 20 baseline, MCU regression
to 20/20, report currency notice with current gap status