V2.9.3

[jmrenouard]

Release Notes - v2.9.3

Date: 2026-08-21

📝 Executive Summary

2.9.3 2026-08-21

- chore(build): consolidate EOL and CVE scripts in pure Perl and add get_version.sh (#1024)
- chore(build): standardize metadata headers across all build scripts (#1029)
- feat(build): migrate release_gen.py and genFeatures.sh to pure Perl (#1023)
- feat(ci): implement validate_roadmap.pl for schema and link integrity (#1025)
- feat(ci): implement ci_matrix.json for centralized supported versions matrix (#1027)
- feat(ci): implement validate_release.pl for unified pre-publish validation (#1028)
- feat(ci): implement check_doc_links.pl for documentation link auditing (#1030)
- feat(ci): implement check_changelog_gate.pl for release artifacts schema verification (#1032)
- feat(ci): implement release_orchestrator.pl for automated SemVer release flow (#1033)
- feat(engine): implement MySQL boolean normalization subroutines (#1021)
- feat(engine): add audit_deprecated_variables for obsolete variables and synonyms (#1022)
- feat(engine): implement get_doc_anchor and get_doc_url for documentation anchors (#1031)
- feat(engine): implement SQL error trace logging and query anomaly capture (#1034)
- feat(engine): implement audit_pfs_stage_profiling for stage and wait event analysis (#1037)
- feat(engine): implement audit_innodb_ahi for adaptive hash index partitions and hit ratio (#1038)
- feat(engine): implement audit_tls_ciphers_protocols for cipher and TLS version audit (#1039)
- feat(engine): implement audit_table_definition_cache for cache thrashing detection (#1040)
- feat(ha): implement discover_cluster_topology for Galera, Group Replication and Replicas (#1026)
- feat(mcp): harden JSON-RPC 2.0 error handling, safety guardrails and SSE transport (#1001)
- feat(skill): add analyze_buffer_pool AI diagnostic skill to MCP server (#1003)
- feat(skill): add diagnose_replication_lag AI diagnostic skill to MCP server (#1005)
- feat(skill): add detect_fragmented_tables AI diagnostic skill to MCP server (#1007)
- feat(triage): implement autonomous issue triage & diagnostic engine (#1041)
- feat(triage): add upstream synchronization and triage for major/MySQLTuner-perl (#1042)
- feat(triage): add live triage and closing runner for major/MySQLTuner-perl (#1043)
- feat(triage): add English translation engine for major/MySQLTuner-perl comments (#1044)
- test(build): add unit_build_headers.t validating build script header compliance (#1029)
- test(build): add unit_cve_update.t validating pure Perl CVE and EOL scripts (#1024)
- test(build): add unit_release_gen.t validating pure Perl release generator (#1023)
- test(ci): add unit_roadmap_validation.t validating roadmap schema (#1025)
- test(ci): add unit_ci_matrix.t validating CI version matrix and markdown alignment (#1027)
- test(ci): add unit_release_validation.t validating release pre-flight checks (#1028)
- test(ci): add unit_doc_link_auditor.t validating reference link integrity (#1030)
- test(ci): add unit_changelog_gate.t validating conventional commits and release schema (#1032)
- test(ci): add unit_release_orchestrator.t validating SemVer bumps and dry runs (#1033)
- test(ci): decompose repro_native_parsing.t into granular structured subtests (#1035)
- test(ci): decompose test_issue_863.t into granular structured subtests (#1036)
- test(engine): add unit_boolean_normalization.t validating boolean parsing (#1021)
- test(engine): add unit_deprecated_vars_audit.t validating deprecation rules (#1022)
- test(engine): add unit_doc_anchors.t validating topic anchor and KB URL mappings (#1031)
- test(engine): add unit_sql_trace_logging.t validating trace buffer and diagnostic report (#1034)
- test(engine): add unit_pfs_stage_profiling.t validating stage bottlenecks and mutex waits (#1037)
- test(engine): add unit_innodb_ahi.t validating search hit ratios and partition sizing (#1038)
- test(engine): add unit_tls_ciphers.t validating deprecated TLS versions and weak ciphers (#1039)
- test(engine): add unit_table_definition_cache.t validating fill ratio and eviction rate (#1040)
- test(ha): add unit_topology_autodiscovery.t validating topology classification (#1026)
- test(mcp): add unit_mcp_protocol.t validating standard JSON-RPC 2.0 error codes and SSE endpoints (#1001)
- test(skill): add unit_skill_buffer_pool.t validating InnoDB buffer pool calculations (#1003)
- test(skill): add unit_skill_replication.t validating replication lag and thread diagnostics (#1005)
- test(skill): add unit_skill_fragmentation.t validating table fragmentation checks (#1007)
- test(triage): add unit and E2E suites for issue triage engine (#1041)
- test(triage): add unit_upstream_syncer.py for major/MySQLTuner-perl (#1042)
- ci(triage): add autonomous issue triage workflow and Makefile targets (#1041)
- docs(mcp): fix Mermaid diagram syntax and quoting in architecture guides (#1045)

📈 Diagnostic Growth Indicators

Metric	Current	Progress	Status
Total Indicators	15	0	🛡️
Efficiency Checks	0	0	🛡️
Risk Detections	2	0	🛡️
Information Points	13	0	🛡️

🛠️ Internal Commit History

• docs(mcp): fix Mermaid diagram syntax and quoting in architecture guides (#1045) (a9396ba)
• docs: regenerate release notes (df7499b)
• feat(triage): add English translation engine for major/MySQLTuner-perl comments (#1044) (bd70005)
• docs: regenerate release notes (eca5d08)
• feat(triage): add live triage and closing runner for major/MySQLTuner-perl (#1043) (cdf6914)
• docs: regenerate release notes (afbc656)
• feat(triage): implement autonomous issue triage & upstream synchronization system (#1041, #1042) (712e5a8)

⚙️ Technical Evolutions

➕ CLI Options Added

• --action
• --agent-json
• --authentication
• --buffer_pool
• --connection_limits
• --description
• --expected_outcome
• --findings
• --galera
• --galera_cluster
• --general
• --id
• --impact_score
• --innodb_buffer_pool
• --innodb_redo_log
• --max_connections
• --query_cache
• --redo_log
• --replication
• --replication_lag
• --requires_restart
• --risk_description
• --risk_level
• --rollback_statement
• --security_auth
• --skipworkload
• --statement
• --table_cache
• --table_open_cache
• --temp_tables
• --temporary_tables
• --topic
• --type

✅ Laboratory Verification Results

• Automated TDD suite passed.
• Multi-DB version laboratory execution validated.
• Performance indicator delta analysis completed.

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