RDS MySQL 8.4 Upgrade — check mysql settings before upgrading

Flags SQL, my.cnf and parameter-group lines that MySQL 8.4 removed (SHOW SLAVE STATUS, CHANGE MASTER TO, default_authentication_plugin) so an RDS MySQL 8.0 upgrade does not break. Runs entirely in your browser — nothing is uploaded.

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Free here: Lint the open .sql, .cnf or .tf file against the MySQL 8.4 removals, with the line number and the fix on every finding. In the editor: Scan every migration, my.cnf and parameter group in the workspace at once and export one upgrade-blocker report (Markdown + CSV) for the upgrade ticket. — that part asks for a licence key.
· $29 once · one licence key per person or team seat. AWS bills RDS MySQL 8.0 Extended Support at $0.100 per vCPU-hour: $7,008 a year for one 8-vCPU instance (US East Ohio).

Same engine as the VS Code extension, byte for byte.