diff --git a/CHANGELOG.md b/CHANGELOG.md
index 885d0e7ba..84ce7bf80 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -40,6 +40,28 @@ The format follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
   header format with mandatory `Reporting Interval: <interval> (Next report expected: <ts>)`
   declarations, enabling precise staleness detection.
 
+- **ACMS context strategies now use real backend retrieval** (PR #3635, #3676): All six
+  built-in context strategies (`simple-keyword`, `semantic-embedding`,
+  `breadth-depth-navigator`, `arce`, `temporal-archaeology`, `plan-decision-context`)
+  now perform real backend-driven retrieval instead of returning empty fragment lists.
+  `ContextAssembler.assemble()` now invokes `SkeletonCompressor` to propagate skeleton
+  context to child plans.
+
+- **Diagnostics checks all 9 providers** (PR #3469): `agents diagnostics` now checks
+  API key configuration for all nine supported providers: OpenAI, Anthropic, Google,
+  Azure OpenAI, OpenRouter, Google Gemini, Cohere, Groq, and Together (previously only
+  six providers were checked).
+
+### Fixed
+
+- **`agents validation attach` uses named `--key value` options** (PR #1222): The
+  `attach` subcommand now accepts extra arguments as `--key value` named options
+  instead of positional arguments, matching the CLI style guide.
+
+- **Plan action arguments upsert** (PR #4197): `PlanService` now upserts action
+  arguments during `plan use` to avoid `UNIQUE` constraint violations when the same
+  action is used multiple times across plan sessions.
+
 ---
 
 ## [3.8.0] — 2026-04-05
diff --git a/docs/development/automation-tracking.md b/docs/development/automation-tracking.md
index 6711acc9f..21dfd6021 100644
--- a/docs/development/automation-tracking.md
+++ b/docs/development/automation-tracking.md
@@ -44,11 +44,15 @@ For emergency announcements or important messages:
 | system-watchdog | `AUTO-WATCHDOG` | `[AUTO-WATCHDOG] System Health (Cycle 8)` |
 | backlog-groomer | `AUTO-GROOMER` | `[AUTO-GROOMER] Grooming Report (Cycle 23)` |
 | human-liaison | `AUTO-LIAISON` | `[AUTO-LIAISON] Status Update (Cycle 67)` |
+| docs-writer | `AUTO-DOCS` | `[AUTO-DOCS] Documentation Report (Cycle 1)` |
 
 ## Required Labels
 
 All automation tracking issues MUST include:
 - **`Automation Tracking`** - Primary label for filtering
+- **`Type/Automation`** - Identifies the issue as automation-generated
+- **`State/In Progress`** - Indicates the agent is actively running
+- **`Priority/Medium`** - Default priority for tracking issues
 - Additional agent-specific labels as appropriate
 
 ## Interval Reporting and Health Monitoring
diff --git a/docs/reference/diagnostics_checks.md b/docs/reference/diagnostics_checks.md
index 16e762614..9304c3133 100644
--- a/docs/reference/diagnostics_checks.md
+++ b/docs/reference/diagnostics_checks.md
@@ -44,16 +44,20 @@ first-run) is accessible and writable.
 ### Provider API keys
 
 Checks whether each supported LLM provider has its API key configured.
-One sub-check is emitted per provider.
+One sub-check is emitted per provider.  As of v3.8.0 all nine supported
+providers are checked (extended from six in v3.7.0 — PR #3469).
 
 | Provider | Environment variable | Status when missing |
 |----------|---------------------|---------------------|
 | OpenAI | `OPENAI_API_KEY` | warn |
 | Anthropic | `ANTHROPIC_API_KEY` | warn |
 | Google | `GOOGLE_API_KEY` | warn |
-| Google Gemini | `GEMINI_API_KEY` | warn |
-| Hugging Face | `HF_TOKEN` | warn |
+| Azure OpenAI | `AZURE_OPENAI_API_KEY` | warn |
 | OpenRouter | `OPENROUTER_API_KEY` | warn |
+| Google Gemini | `GEMINI_API_KEY` | warn |
+| Cohere | `COHERE_API_KEY` | warn |
+| Groq | `GROQ_API_KEY` | warn |
+| Together | `TOGETHER_API_KEY` | warn |
 
 | Status | Condition | Remediation |
 |--------|-----------|-------------|