Summary

Cuts a community-contribution-heavy point release. Eight community PRs landed plus three AetherClaude crash fixes.

Community

• Fix RADE RX not decoding on Windows (Fix RADE RX not decoding on Windows: create dax_rx stream in activateRADE() #1820, NF0T)
• Clamp stale DAX RX backlog on macOS — fixes +1.5s FT8 DT bias ([dax] Fix macOS DAX RX DT bias from stale audio backlog #1822, jensenpat)
• Fix TCI DAX resampler crosstalk between slices (Fix TCI DAX audio crosstalk between slices: per-channel resamplers (#1806) #1815, Chaosuk97)
• Fix RX applet pan slider with NR active (Fix RX applet pan slider broken with NR active (#1796) #1799, Chaosuk97)
• Fix TCI RX gain default 1.0 → 0.5 to match applet (Fix TCI RX gain default fallback: "1.0" → "0.5" to match TciApplet and DAX #1811, NF0T)
• Fix HAVE_SERIALPORT guard (Fix missing HAVE_SERIALPORT guard on m_flexCoalesceTimer (#1606 partial) #1812, NF0T)
• Seamless ADIF logbook auto-reload (Seamless ADIF logbook auto-reload for DXCC spot colouring #1801, Chaosuk97)
• RAC Canada band-plan corrections (Minor Band correction and correction of Spots #1817, VE3NEM)

AetherClaude crash fixes

• Applet reorder with floating containers (When trying to reorder Apps, the ASDR application will shut down and you have to restart it. #1745 → Fix crash when reordering applets with floating containers (#1745) #1746)
• Lazy-build RadioSetupDialog tabs, dodges Wayland FFmpeg/VDPAU crash (More info on crashes #1776 → Lazy-build RadioSetupDialog tabs to fix Wayland crash on open (#1776) #1777)
• PanAdapter float-freeze — show-after-reset + direct reparent (v0.8.17 - UI freezes when PanAdapter is popped out; recovers on re-dock #1668 → Fix UI freeze when PanAdapter is popped out into floating window (#1668) #1669)

Test plan

• CMakeLists.txt, README.md, CLAUDE.md version bumped
• CHANGELOG.md new entry prepended
• WhatsNewData.cpp regenerated from CHANGELOG
• Local build passes
• Binary reports 0.8.20
• CI build passes

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