stegasoo/RELEASE_NOTES.md at 446789a16f92c654b0746fabcf48ea0b66bd0e58

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Aaron D. Lee 52e1a3dfbf Release v4.1.5: Clean up docs, update release notes

- Remove old PLAN-4.1.x.md and RELEASE-4.1.1.md files
- Update RELEASE_NOTES.md for v4.1.5
- Highlights: dev docs, pull-image.sh auto-resize, 16GB images

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-01-07 01:17:25 -05:00

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Stegasoo v4.1.5

Developer Experience

Educational Code Comments: Core modules now include detailed explanations
- DCT: zig-zag coefficient diagrams, QIM embedding math, Reed-Solomon "Voyager" reference
- LSB: visual bit manipulation examples, ChaCha20 pixel selection
- Crypto: multi-factor KDF flow diagrams, Argon2id memory-hardness reasoning
- CLI/Web: architectural patterns for future contributors

Raspberry Pi Improvements

Streamlined Image Creation: pull-image.sh now handles everything
- Auto-resizes rootfs to exactly 16GB (consistent images from any SD card)
- Disables Pi OS auto-expand
- Compresses with zstd
- Optional .zst.zip wrapper for GitHub releases
16GB Minimum: Pre-built images are now 16GB (was variable)
Host Requirements: rpi/host-requirements.txt documents all dependencies
Test Automation: kickoff-pi-test.sh for one-command flash+test cycles

MOTD Polish

Dynamic temperature emoji (ice/cool/fire based on CPU temp)
Rocket emoji for service status
Cleaner formatting

Raspberry Pi Image

Download stegasoo-rpi-4.1.5.img.zst.zip from Releases.

# Flash (auto-detects SD card)
sudo ./rpi/flash-image.sh stegasoo-rpi-4.1.5.img.zst.zip

# Or manual
zstdcat stegasoo-rpi-4.1.5.img.zst | sudo dd of=/dev/sdX bs=4M status=progress

Default login: admin / stegasoo

First boot runs the setup wizard for WiFi, HTTPS, and channel key configuration.

Docker

docker-compose up -d web  # Web UI on :5000
docker-compose up -d api  # REST API on :8000

Full Changelog

See CHANGELOG.md for complete version history.

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