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Changelog

All notable changes to Merisio will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

1.5.0 - 2026-03-25

Added

  • Properties panel Edit button opens full entity/association dialog
  • Link cardinality inline editing (Min/Max dropdowns) in properties panel
  • Canvas emits selection_changed for links

Changed

  • Native Qt combo box rendering instead of custom CSS (cleaner on KDE/GNOME)

1.4.3 - 2026-03-25

Fixed

  • SQL tab auto-generates when selected in output panel
  • Dictionary highlights selected entity's attributes in blue
  • Canvas selection propagates highlight to dictionary

1.4.2 - 2026-03-25

Fixed

  • Minimap viewport tracking verified working with zoom/scroll
  • Click-to-navigate in minimap verified working

1.4.1 - 2026-03-25

Fixed

  • Bidirectional sync between canvas, project tree, and properties panel
  • Canvas selection updates tree highlight and properties
  • Tree selection highlights item on canvas and centres view
  • Fixed private method access in MCDCanvas (added public wrappers)
  • Fixed project tree using correct API (get_all_entities/associations)
  • Fixed properties panel attribute type field (data_type not type)

1.4.0 - 2026-03-25

Added

  • MySQL Workbench-inspired layout with QSplitter-based design
  • Left sidebar: minimap (bird's eye diagram overview), project tree (entities/associations navigator), properties panel
  • Bottom output panel with Dictionary, Validation, and SQL Preview tabs
  • Model menu: Validate (F5), Generate MLD, Generate SQL
  • Toggle sidebar (Ctrl+B) and output panel (Ctrl+J)
  • Enhanced toolbar: Add Entity, Add Association, Add Link, Validate

Changed

  • Replaced flat 4-tab layout (Dictionary, MCD, MLD, SQL) with sidebar + central tabs + bottom panel
  • Dictionary moved from top-level tab to bottom output panel
  • Toned down theme: neutral grey buttons, subtle tab accents, native Qt combo box rendering

1.3.1 - 2026-02-06

Added

  • Man pages for merisio(1) and merisio-cli(1)
  • --help and --version flags for the GUI binary (merisio)
  • --version flag for the CLI binary (merisio-cli)
  • Build commands: install-man, uninstall-man for system-wide man page installation

1.3.0 - 2026-02-06

Added

  • CLI tool (merisio-cli) for batch processing .merisio files without the GUI
    • info — show project metadata and statistics
    • validate — validate the MCD model (exit code 1 on errors)
    • sql — generate PostgreSQL DDL to stdout or file (-o)
    • mld — show the logical data model (MLD tables)
    • export — export diagram to PNG, SVG, or PDF (--format, -o, --scale)
  • Headless diagram renderer (src/export/renderer.py) for offscreen export
  • Build commands: build-cli (CLI only), build-all (GUI + CLI)
  • .deb package now installs both /usr/bin/merisio and /usr/bin/merisio-cli
  • Windows zip now includes both Merisio.exe and merisio-cli.exe
  • Auto-size entity and association boxes to fit names using font metrics

Changed

  • Default python build.py now builds both GUI and CLI
  • MCD tab opens by default on startup

1.2.0 - 2026-02-01

Added

  • Zoom controls in MCD canvas with limits (25%-400%)
  • Zoom slider and round +/- buttons in status bar
  • Zoom menu items in View menu with keyboard shortcuts (Ctrl++, Ctrl+-, Ctrl+0, Ctrl+Shift+0)
  • Export diagram feature: File > Export Diagram (SVG, PNG, PDF formats)
  • Customizable diagram colors: Options > Diagram Colors
  • Color settings stored per-project in .merisio file

Changed

  • Project file format updated to version 2.1 with colors section
  • Item position changes now mark project as modified (prompts save on close)

1.1.0 - 2026-01-21

Added

  • MLD column renaming (right-click or double-click to rename)
  • Column overrides saved in project file under mld.column_overrides
  • SQL generator uses renamed columns
  • Options menu with "Show Attributes" toggle
  • Link Style submenu: Curved, Orthogonal, Straight
  • Project properties dialog (File > Project Properties)
  • Project metadata: name, description, author, timestamps

Changed

  • MLD changes mark project as modified (star in title bar)
  • Renamed project from "AnalyseSI" to "Merisio"
  • Changed file extension to .merisio

1.0.0 - 2026-01-20

Added

  • Initial release
  • MCD Editor with visual diagram editing
    • Entities with attributes
    • Associations with carrying attributes
    • Links with cardinalities (0,1), (0,N), (1,1), (1,N)
    • Drag-and-drop positioning
    • Multi-selection and deletion
  • Data Dictionary tab with overview of all attributes
  • MLD View with auto-generated logical model
  • SQL View with PostgreSQL CREATE TABLE statements
  • Project save/load in JSON format
  • Light gray UI theme (Beekeeper Studio inspired)
  • App icon (stylized M with nodes)
  • Linux desktop integration
  • Keyboard shortcuts (Ctrl+1-4 for tabs, Ctrl+N/O/S for file operations)