Last version 2.8.38

[jmrenouard]

2.8.38 2026-02-14

• fix: prevent creation of unauthorized directory "0" when --dumpdir is not explicitly set or set to 0 (Issue [!!] Unable to find mysqladmin in your $PATH. Is MySQL installed? #20).
• fix: robust, version-agnostic detection of password column in mysql.user via schema inspection (Issue Support engines #22).
• refactor: replace massive system calls (awk, grep, uname, getconf, sysctl) with native Core Perl functions for Linux.
• feat: implement native parsing for /proc/cpuinfo, /proc/meminfo, /proc/sys/vm/swappiness and /etc/resolv.conf.
• refactor: optimize CPU core count, logical CPU detection, and OS memory setup for local environments.
• refactor: use POSIX::uname and POSIX::sysconf for standardized system and architecture reporting.
• fix: resolve MariaDB socket authentication regression and restore automatic credential discovery (Issue MariaDB socket authentication causes "User 'root' is using weak password:" #875).
• fix: remediate Prototype Pollution vulnerability in lodash (CVE-2021-23341) by forcing update to 4.17.23.
• test: add reproduction test for authentication discovery chain (tests/issue_875_regression.t).
• test: add comprehensive test suite for password column detection (tests/repro_issue_22.t).
• chore: bump version to 2.8.38.

2.8.36 2026-02-13

• fix: migrate CI workflows to native GitHub services to resolve Docker API version mismatch.
• fix: modernize release workflow using softprops/action-gh-release@v2.
• fix: enhance Docker publishing with Buildx setup for reliable multi-platform builds.
• fix: robust, version-agnostic detection of password column in mysql.user via schema inspection (Issue Support engines #22).
• fix: correct regression in tests/test_issue_875.t by updating database mocks.
• test: add comprehensive test suite for password column detection (tests/repro_issue_22.t).
• test: add reproduction test for Performance Schema disabled diagnostic (tests/repro_pfs_disabled.t).
• fix: prevent creation of directory "0" when --dumpdir is not specified or set to 0 (Issue [!!] Unable to find mysqladmin in your $PATH. Is MySQL installed? #20).
• docs: fix broken endoflife.date links in README files (Issue missing prefix on endoflife.date in README.md causes 404 on github  #877).
• test: add reproduction test for Performance Schema disabled scenario (repro_pfs_disabled.t).
• ci: fix Docker API mismatch in GitHub Actions by migrating to native services.

2.8.35 2026-02-02

• feat: modernize version check using HTTP::Tiny with robust fallback to curl/wget (PR Add DirectAdmin support.  #18 and Support for Directadmin #17).
• feat: integrate perltidy in release-preflight workflow and enforce script formatting (issue Swap position of innodb buffer pool size and data size arguments #19).
• fix: resolve inaccurate innodb_log_file_size recommendations caused by integer rounding (issue mysqltuner recommends variable-change thats already been set #770).
• fix: ensure percentage returns 100.00% instead of 0% on idle or fresh servers, preventing unwarranted innodb_log_buffer_size recommendations (issue In 2.5.3 with a fresh MariaDB install, innodb_log_buffer_size increase message emits #783).
• docs: replace generic SECURITY.md template with project-specific policy and contact info (Issue SECURITY.md contains the default template #771, credit @bfontaine).
• style: run perltidy on mysqltuner.pl to ensure code consistency.
• test: add dedicated unit test tests/test_version_regex.t for version extraction verification.
• test: add regression test tests/issue_770.t to verify innodb_log_file_size recommendation precision.
• test: add regression test tests/issue_783.t to verify innodb_log_buffer_size recommendation on idle servers.

MySQLTuner Changelog

2.8.33 2026-01-31

• fix: improved cPanel/Flex detection and refined skip-name-resolve recommendation (issue cPanel recommendation for skip-name-resolve is incorrect #863).

• test: add enhanced unit test tests/issue_863_enhanced.t for cPanel detection verification.

• docs: consolidate project governance rules and resolve backwards compatibility contradiction (00_constitution.md, 03_execution_rules.md).

• style: promote session-discovered rules to Tier 04 Best Practices and reset remembers.md.

• feat: add automated validation (regex/coderef) for CLI options like --port and --defaultarch.

• feat: implement option implications (e.g., --feature implies --verbose) in metadata.

• feat: add SSL/TLS security checks for missing configuration, insecure protocols (TLSv1.0, TLSv1.1), and secure transport enforcement.

• feat: add automated detection of current session encryption status.

• feat: add observability warning and explicit recommendation when performance_schema is disabled.

• fix: resolve numeric comparison warnings and prevent full workstation path leakage in CLI output.

• fix: resolve contradictory key_buffer_size recommendations by adding a usage threshold to the increase recommendation (issue Double recommendations #774).

• test: add unit test tests/cli_validation.t for comprehensive option validation verification.

• test: add unit test tests/ssl_tls_validation.t for comprehensive SSL/TLS verification.

• test: add unit test tests/pfs_observability.t to verify performance_schema diagnostics.

• test: add unit test tests/issue_774.t to verify key_buffer_size recommendation logic.

• docs: cleanup MongoDB and PostgreSQL references from ROADMAP.md and README files.

• refactor: implement metadata-driven CLI option parsing to centralize defaults, validation, and documentation.

2.8.32 2026-01-30

• feat: remove --skippassword from test laboratory to enable security checks.
• fix: resolve false positive weak password warnings on MariaDB socket authentication (issue MariaDB socket authentication causes "User 'root' is using weak password:" #875) and prevent dictionary corruption by silencing curl/wget output.
• test: add unit test tests/test_issue_875.t to verify socket authentication detection.
• style: enforce artifact path hygiene (hide absolute workstation paths) in agent-generated reports.
• chore: rename release manager specification to a more generic name.
• chore: update multi-db-docker-env and test_db vendors.

2.8.31 2026-01-27

• feat: add --schemadir <path> option to generate per-schema markdown documentation.
• feat: support independent schema documentation generation without requiring --dumpdir.
• feat: restructure specifications into documentation/specifications/ (/hey-agent).
• feat: add specification for Performance Schema Error Log analysis.
• feat: add unused and redundant index checks via Performance Schema (sys schema) with recommendations and modeling findings.
• feat: modernize CVE retrieval script build/updateCVElist.pl with NVD API 2.0 (JSON-based) (Fix Master is missing vulnerabilities.csv #867).
• feat: implement SQL modeling best practice checks (Primary Keys, Foreign Keys, Naming Conventions, Data Types).
• feat: add MySQL 8.0+ specific modeling checks (JSON indexing, Invisible Indexes).
• fix: resolve CLI option ambiguity and duplicate specification errors via unified Getopt::Long binding.
• fix: resolve tab delimiter mismatch in tests/sql_modeling.t mock data.
• fix: noisy system command failures when absolute paths are used for whitelisted commands (issue MySQLTuner 2.8.28 - System command failed & ERROR 1524 #874).
• fix: resolve syntax error and Perl compilation warnings in mysqltuner.pl.
• fix: ensure shell commands (pipes, redirections) work correctly in containers using sh -c.
• test: add unit test tests/schemadir.t to verify schema documentation logic.
• test: add unit test tests/index_pfs_checks.t for Performance Schema index verification.
• test: add unit test tests/sql_modeling.t for comprehensive schema analysis verification.
• ci: update build/test_envs.sh with Schemadir test scenario and fix logic ordering.
• ci: establish formal "Advanced Test Log Auditing" protocol and anomaly tracking.
• ci: enhance lab reports with integrated execution.log and collapsible panels for better readability.
• ci: harden testing suite with rigorous return code checking across all test modes (lab, container, remote).
• ci: improve laboratory error reporting to generate diagnostic reports even on startup failures.
• ci: verify MySQL 8.0 integration post-CLI refactoring.
• ci: reintroduce CVE analysis in Dockerfile with --cvefile support.
• ci: cleanup all examples/ and execute full LTS test suite (MySQL, MariaDB, Percona).
• ci: update package.json test script and create remember workflow.
• ci: consolidate testing laboratory scripts into unified build/test_envs.sh and update Makefile.
• chore: uncomment examples directory in .gitignore.
• chore: bump version to 2.8.31.
• docs: formalize tracking of Makefile and build script changes
• docs: formalize test and ci requirements in Changelog and rules
• docs: update Changelog and relax rules for docs-only updates
• chore: decommission MySQL 5.7 from testing laboratory and build scripts.

2.8.30 2026-01-24

• feat: auto-generate raw_mysqltuner.txt report in dumps/ directory when using --dumpdir
• feat: add InnoDB transaction isolation levels and metrics (active count, longest duration)
• feat: add MariaDB innodb_snapshot_isolation detection and recommendation
• feat: implement robust container transport support (--container)
• feat: skip kernel tuning recommendations in container mode or when running in Docker
• feat: dynamic MySQL/MariaDB client detection in containers/remote hosts
• feat: automatic database password retrieval from container environment (MYSQL_ROOT_PASSWORD/MARIADB_ROOT_PASSWORD)
• fix: incorrect skip-name-resolve recommendations for cPanel systems (issue cPanel recommendation for skip-name-resolve is incorrect #863)
• docs: synchronize all README files with authentication mismatch troubleshooting guide
• ci: enhance build/test_envs.sh to capture and link all infrastructure logs (Docker start, DB injection, container logs, inspect data) in HTML reports for full audit traceability
• ci: make HTML reports self-sufficient by embedding logs directly and reordering sections
• ci: implement tripartite testing scenarios (Standard, Container, Dumpdir) per configuration with horizontal scenario selector in HTML reports
• ci: normalize HTML log panels with consistent Raw/Log links and improved UI layout
• ci: harden laboratory execution script with rigorous return code checking and log portability (copy vs symlink)
• ci: automate cleanup of examples/ directory to keep only the 10 most recent results
• ci: add /examples-cleanup workflow for manual laboratory maintenance
• ci: implement automated technical release notes system via build/release_gen.py and /release-notes-gen workflow
• ci: add automated .agent/README.md synchronization via build/doc_sync.py and /doc-sync workflow
• test: add unit test tests/innodb_isolation.t for new transaction metrics
• test: add regression test tests/repro_issue_863.t for cPanel name resolution logic
• test: add unit test tests/test_issue_874.t to verify system command whitelisting and unix_socket logic
• test: add unit test tests/issue_869.t to verify InnoDB chunk breakdown on MariaDB 11.4+ (issue Cannot calculate InnoDB Buffer Pool Chunk breakdown due to missing or zero values #869)
• test: validate MySQLTuner compatibility with MariaDB 11.8 (detected 11.8.5)

2.8.29 2026-01-24

• fix: synchronize all version occurrences in mysqltuner.pl and update release workflows (issue Installation via wget #15)

• feat: add version consistency check to release-preflight and git-flow workflows

• docs: update copyright years to 2026
  2.8.28 2026-01-22

• feat: ajoute l'option --no-pfstat pour la partie performance schema

• feat: ajoute l'option --no-colstat pour la partie colonne stat

• fix: skip innodb_buffer_stats during sys schema dump to avoid performance issues

2.8.27 2026-01-18

• refactor: replace massive raw backtick usage with execute_system_command wrapper for better security and compliance (Compliance Sentinel)

2.8.26 2026-01-18

• fix: inverted replication command logic causing wrong SQL on MySQL 8.0+/MariaDB 10.5+ (issue failed to execute: SHOW SLAVE HOSTS #553)
• feat: add MySQL/MariaDB version detection to prevent version number conflicts in replication logic
• test: add comprehensive test suite (test_issue_553.t) for replication command compatibility
• chore: bump version to 2.8.26

2.8.24 2026-01-18

• fix: improve MariaDB 11+ detection by checking version_comment (issue Cannot calculate InnoDB Buffer Pool Chunk breakdown due to missing or zero values #869)
• fix: handle innodb_buffer_pool_chunk_size=0 (autosize) in MariaDB 10.8+ (Cannot calculate InnoDB Buffer Pool Chunk breakdown due to missing or zero values #869)
• chore: bump version to 2.8.24

2.8.23 2026-01-18

• feat: add --ignore-tables CLI option to filter specific tables from analysis (Table Filter CLI option #749)
• chore: bump version to 2.8.23

2.8.22 2026-01-18

• feat: update all repository links from 'major' to 'jmrenouard' (issue Question related to build/employees_db-full-1.0.6.tar.bz2 #410)
• docs: add Changelog information and Useful Links to all README files (issue Azure Database for MySQL is not working #411)
• feat: improve thread_pool_size recommendations based on logical CPU count (issue MySQLTuner recommendations about thread_pool_size #404)
• feat: suggest enabling thread pool for servers with max_connections >= 512 (issue MySQLTuner recommendations about thread_pool_size #404)
• fix: hide ThreadPool metrics when thread pool is not enabled to avoid noise (issue MySQLTuner recommendations about thread_pool_size #404)
• feat: add logical_cpu_cores function to accurately detect threads including HT
• chore: bump version to 2.8.22

2.8.21 2026-01-18

• fix: remove contradictory query_cache_limit recommendation when disabling query cache (issue some strange suggestions in new version #671)
• fix: cap join_buffer_size recommendation at 4MB and prefer index optimization (issue some strange suggestions in new version #671)
• chore: bump version to 2.8.21

2.8.20 2026-01-18

• feat: add automated regression test for forcemem MB interpretation (issues Fix wrong physical memory #780, Using --forcemem flag #810)
• chore: bump version to 2.8.20

2.8.18 2026-01-18

• feat: add --max-password-checks option to limit dictionary checks (default: 100)
• fix: ensure Machine type is reported as 'Container' when --container option is used
• chore: bump version to 2.8.18

2.8.17 2026-01-18

• feat: implementation of issue New way to check basic password needed #403 to check weak passwords on MySQL 8.0+ and flush hosts every 100 attempts
• chore: bump version to 2.8.17

2.8.16 2026-01-18

• chore: bump version to 2.8.16

2.8.15 2026-01-18

• feat: update all GitHub links from 'major' to 'jmrenouard' organization
• feat: refactor plugin information to filter ACTIVE status and display specific columns grouped by type
• chore: bump version to 2.8.15

2.8.13 2026-01-18

• docs: add Useful Links section to all README files (English, French, Russian, Italian)
• chore: bump version to 2.8.13

2.8.12 2026-01-17

• feat: update is_docker() to detect containerd and podman runtimes
• chore: bump version to 2.8.12

2.8.11 2026-01-17

• docs: update INTERNALS.md with information about Cloud, SSH, Containers, and Plugins
• chore: bump version to 2.8.11

2.8.10 2026-01-17

• feat: add dates and commands to log files in test_envs.sh
• feat: add separators (=) at the end of log files in test_envs.sh
• chore: synchronize version strings across script, POD, and version file

2.8.9 2026-01-17

• feat: improve container log detection by excluding proxy containers (traefik, haproxy, maxscale, proxy)
• feat: prioritize database-related container names (mysql, mariadb, percona, db, database)
• chore: bump version to 2.8.9

2.8.8 2026-01-17

• feat: add -d/--database parameter to test_envs.sh to tune specific databases
• feat: add -c/--configs parameter to test_envs.sh for easier configuration selection
• feat: add timestamps to major steps in test_envs.sh logs
• feat: add execution header to test_envs.sh output showing the full command
• chore: bump version to 2.8.8

2.8.7 2026-01-17

• docs: add standardized comment headers to all build shell scripts
• chore: synchronize version strings across script, POD, and version file
• fix: ensure version consistency between Changelog and CURRENT_VERSION.txt

2.8.6 2026-01-17

• feat: add Plugin Information section and --plugininfo flag (Plugin Information  #794)
• fix: memory calculation bug in system_recommendations (1.5GB check)
• fix: ensure forcemem is correctly interpreted and displayed as MB in os_setup
• chore: synchronize version strings across script, POD, and version file

2.8.5 2026-01-17

• fix: noisy sysctl errors for sunrpc parameters when kernel module is not loaded
• fix: refactor get_kernel_info to handle missing sysctl parameters gracefully

2.8.4 2026-01-17

• fix: database injection failing to find dump files due to incorrect working directory
• fix: ensure correct path handling for 'source' commands in employees.sql

2.8.3 2026-01-17

• feat: detect docker/podman environment and automatically grab logs from container if local log file is not found
• feat: add --container option to manually specify a container for log retrieval

2.8.2 2026-01-17

• fix: system command failures (ping/ifconfig/redirection) on modern Linux (Ubuntu 22.04/WSL2)
• feat: integrate external test dependencies (multi-db-docker-env, test_db) and automated employees database injection

2.8.1 2026-01-17

• fix: resilient memory checks with /proc fallback on Linux and silencing expected ps failures

2.8.0 2026-01-17

• Bump version to 2.8.0
• enhance user hostname restriction checks
• feat: Translate comments and messages in updateCVElist.py to English
• chore: ignore VS Code workspace files
• build: update Debian File::Util dependency installation
• cleanup: MariaDB and MySQL support documentation (focus on LTS)