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The phase table had B4 as "next" and B5 as "after B4" while both had shipped,
and described B6 as blocked on B4's gate — which is now merged and released. A
plan that misreports which phase it is in is worse than no plan: the next
person reads it and repeats finished work.
Corrected, and three things that were only ever decided in conversation are now
written down:
* **B6 is deliberately held.** 3.2.0 published 2026-08-03; 3.1.0 ran nine
months before it. B6's premise is that cores without the module are gone,
and there is no release-asset count or install telemetry to show that.
Running it now strands users on their current plugin versions. The gate
that makes it safe is already built and tested — it is the calendar that is
missing, and no amount of further code changes that.
* **Stop adopting further shared modules** (data_sources, game_renderer,
base_odds_manager) until B6 closes. Each adoption adds a copy to keep in
step against a payoff contingent on B6.
* **A B5 retrospective**, because "the adoption went fine" is not what
happened: four of eight shipped with scroll mode broken on a 3.2.0 core.
The bundled fallback did not protect against it — the break was on the
modern path — which is an argument for the sunset, not against it. Records
the ledger too: net negative on disk until B6 runs.
Also replaces the "what's next" list, whose first five items were all done,
with what actually remains.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Udr6MfaFLUPhX5Fgo67Jf5
LEDMatrix Documentation
This directory contains guides, references, and architectural notes for the LEDMatrix project. If you are setting up a Pi for the first time, start with the project root README — it covers hardware, OS imaging, and the one-shot installer. The pages here go deeper.
I'm a new user
- GETTING_STARTED.md — first-time setup walkthrough
- WEB_INTERFACE_GUIDE.md — using the web UI
- PLUGIN_STORE_GUIDE.md — installing and managing plugins
- WIFI_NETWORK_SETUP.md — WiFi and AP-mode setup
- TROUBLESHOOTING.md — common issues and fixes
- SSH_UNAVAILABLE_AFTER_INSTALL.md — recovering SSH after install
- CONFIG_DEBUGGING.md — diagnosing config problems
I want to write a plugin
Start here:
- PLUGIN_DEVELOPMENT_GUIDE.md — end-to-end workflow
- PLUGIN_QUICK_REFERENCE.md — cheat sheet
- PLUGIN_API_REFERENCE.md — display, cache, and plugin-manager APIs
- PLUGIN_ERROR_HANDLING.md — error-handling patterns
- DEV_PREVIEW.md — preview plugins on your dev machine without a Pi
- EMULATOR_SETUP_GUIDE.md — running the matrix emulator
Going deeper:
- ADVANCED_PLUGIN_DEVELOPMENT.md — advanced patterns
- PLUGIN_ARCHITECTURE_SPEC.md — full plugin-system spec
- PLUGIN_DEPENDENCY_GUIDE.md / PLUGIN_DEPENDENCY_TROUBLESHOOTING.md
- PLUGIN_WEB_UI_ACTIONS.md (+ example JSON)
- PLUGIN_CUSTOM_ICONS.md / PLUGIN_CUSTOM_ICONS_FEATURE.md
- PLUGIN_REGISTRY_SETUP_GUIDE.md (+ registry template)
- STARLARK_APPS_GUIDE.md — Starlark-based mini-apps
- widget-guide.md — widget development
Configuring plugins
- PLUGIN_CONFIG_QUICK_START.md — minimal config you need
- PLUGIN_CONFIGURATION_GUIDE.md — schema design
- PLUGIN_CONFIGURATION_TABS.md — multi-tab UI configs
- PLUGIN_CONFIG_ARCHITECTURE.md — how the config system works
- PLUGIN_CONFIG_CORE_PROPERTIES.md — properties every plugin honors
Advanced features
- ADVANCED_FEATURES.md — Vegas scroll, on-demand display, cache management, background services, permissions
- FONT_MANAGER.md — font system
Reference
- REST_API_REFERENCE.md — all web-interface HTTP endpoints
- PLUGIN_API_REFERENCE.md — Python APIs available to plugins
- DEVELOPER_QUICK_REFERENCE.md — common dev tasks
- PLUGIN_IMPLEMENTATION_SUMMARY.md — what the plugin system actually does
Contributing to LEDMatrix itself
- DEVELOPMENT.md — environment setup
- HOW_TO_RUN_TESTS.md — running the test suite
- MULTI_ROOT_WORKSPACE_SETUP.md — multi-repo workspace
- MIGRATION_GUIDE.md — breaking changes between releases
Archive
docs/archive/ holds older guides that have been superseded or describe
features that have been removed. They are kept for historical context and
git history but should not be relied on.
Contributing to the docs
- Markdown only, professional tone, minimal emoji.
- Prefer adding to an existing page over creating a new one. If you add a new page, link it from this index in the section it belongs to.
- If a page becomes obsolete, move it to
docs/archive/rather than deleting it, so links don't rot. - Keep examples runnable — paths, commands, and config keys here should match what's actually in the repo.