## [1.0.0] - 2026-08-13

### Added
- **Dynamic Real-Time Scale Readout**: Status bar scale readout
(`Scale: 1:25,000`) now updates dynamically on every viewport zoom and
pan event.
- **Visual Spatial Difference Engine (⚡)**: Compute geometric
differences between comparison layers with green (added) and red
(removed) overlays and a live Overlap % readout.
- **Timeline Transition Player (▶)**: Auto-cycle active panel focus or
cross-fade timeline layers sequentially across viewports.
- **HTML Presentation Slide Mode (📺)**: Export offline HTML dashboards
featuring full-screen slide presentation mode with arrow key
navigation.
- **Two-Row Spacious Toolbar Layout**: Restructured setup and
navigation toolbars into 2 clean rows ensuring 100% visibility for all
action buttons.
- **Upgraded GitHub Pages Site**: Complete redesign of documentation
landing site and user manual.
- **Official v1.0.0 Icon**: Modern 3D glass icon with neon map panels
and central laser crosshairs.

## [0.6.0] - 2026-08-13

### Added
- **Visual Spatial Difference Engine (⚡)**: Compute geometric
differences between Panel 1 & 2 layers inside visible extent.
- **Timeline Transition Player (▶)**: Auto-cycle panel focus and
timeline layers on timer ticks.
- **HTML Presentation Mode (📺)**: Slide presentation view in exported
HTML dashboards.

## [0.5.0] - 2026-08-13


### Added
- **Multi-Panel Coordinated Feature Inspector (🎯)**: Click any
coordinate point on a panel viewport to query vector attributes and
raster cell values across all active viewports simultaneously in a
summary popover.
- **Live Viewport Spatial KPIs (📊)**: Real-time calculation of visible
bounding box polygon areas (ha/km²) and feature counts displayed as
chip bars under each panel.
- **Workspace Comparison Presets & Scenario Templates (💾)**: Save/load
workspace configurations to QSettings or use built-in scenario
templates (*Before & After*, *4-Scenario Matrix*, *Temporal
Timeline*).
- **Unified Stacked Legend Drawer (📋)**: Collapsible right-side
sidebar panel stacking micro-legends for all active viewports into a
single organized column.
- **Canvas HUD Overlay (🧭)**: On-screen North arrow graphic indicator
(`▲ N`) and scale readout rendered on viewport canvas corners.

## [0.4.0] - 2026-08-13


### Added
- **Synchronized Measurement Tool**: Interactive distance and area
measurement tool integrated into workspace viewports and exported HTML
dashboards.
- **100% Complete Multi-Layer & Tile Rendering Engine**: Switched HTML
export renderer to dual-engine sequential and parallel map settings,
ensuring all raster tiles, background layers, and vector features are
captured without omissions.
- **Rich Panel Metadata & Scale Chips**: HTML export cards now include
active scale readouts (e.g. `1:25,000`) and detailed layer feature
count tooltips.

## [0.3.1] - 2026-08-13


### Added
- **Micro-Legend Overlay (🎨)**: Toggle floating legend cards directly
on individual map viewports showing vector categories and
single-symbol colors.
- **Time-Series Auto-Fill**: Automatically parse years/dates from
layer names and populate comparison viewports in chronological order.
- **HTML Dashboard Embedded Legends**: Exported interactive HTML
dashboards now include micro-legend cards matching QGIS vector layer
symbology.

## [0.3.0] - 2026-08-13


### Added
- **Dynamic Extent Bounding Box Overlay**: Overlay active viewport
rectangle on all other viewports in real time to provide immediate
macro/micro spatial context.
- **Quick Panel Header Controls**: Added *Zoom to Layer Extent* (🔍),
*Layer Opacity slider popup* (🌓), *PNG snapshot button* (📷), and layer
geometry type badges (`Vector`, `Raster`, `Theme`) on each panel
header card.
- **Cartographic Scale Presets**: Dropdown to jump all viewports
simultaneously to standard scales (1:1,000, 1:2,500, 1:5,000,
1:10,000, 1:25,000, 1:50,000, 1:100,000, 1:250,000).
- **Multi-Theme HTML Dashboards**: Export interactive HTML dashboards
in *Slate Light*, *Dark Midnight*, or *Emerald Clean* themes, complete
with client-side theme switcher and layer opacity sliders.
- **Active Scale Readout**: Real-time cartographic scale readout in
status bar for active panel viewports.

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