3.6.0 (2026-05-12)
* Next-Gen Stability & QGIS 4 Ready:
- Compatibility: 100% compatibility with QGIS 4.x and Qt6 by resolving
unhashable QgsTask issues.
- Architecture: Eradicated legacy UI threading segmentation faults
using robust asynchronous task anchoring and QTimer.
- Rendering: Fixed race conditions during rapid preview regeneration
through strict state locks and gracefully handled C++ object
lifecycles.
- DevOps: Modernized qgis-manage deployment tool with cross-version
profile support and auto-discovery.
- Quality: Maintained Cyclomatic Complexity <= 10 and 100% test pass
rate across 620 tests in Docker.
3.5.0 (2026-04-28)
* Operational Excellence & Autonomy:
- Gen 6 Agentic Autonomy: Implemented self-pruning memory management
and semantic skill injection for optimized development.
- Quality Gate: Enforced project-wide CC <= 10 with automated pre-push
audits.
- Documentation: Achieved 100% Google-style docstring coverage for the
entire API.
- Architecture: Optimized spatial indexing in critical UI paths and
verified thread-safe core processing.
3.4.0 (2026-03-29)
* Integration & Translation Completeness:
- i18n: Achieved 100% translation coverage across all 13 supported
languages.
- i18n: Rewrote translation injection tool (apply_full.py) with
ElementTree for robust XML parsing.
- Testing: Added comprehensive Integration Tests for Vector Drivers
(GPKG, SHP, DXF) and core parsing.
- Core: Improved placeholder protection during automatic translation
generation.
3.3.0 (2026-03-14)
* Extreme Stability & QGIS 4.x Readiness:
- Stability: Resolved memory leaks and orphaned signal connections in
SignalManager/main_dialog.
- UI: Implemented cleanup_finalized in measurement tools to ensure
canvas hygiene.
- Core: Migrated to DTOs (DrillholeProjection) and increased Return
Type Hint coverage to 44.5%.
- Rendering: Switched to Rule-Based Renderer for 3D exporters (100%
reliable styling).
- Quality: Achieved 91% GUI test coverage and 100% API-agnostic
compliance (qgis.PyQt).
3.2.0 (2026-03-02)
* QGIS 4.x Readiness & Structural Refinement:
- Compatibility: 100% compliance with API-agnostic principles
(qgis.PyQt). Verified QgsTask background processing.
- UI: Refactored PreviewLayerFactory to use shared
geometry/exaggeration helpers (extracted _apply_exaggeration,
_to_qgs_points).
- GUI: Standardized DialogSettingsPersistence to reduce boilerplate in
session management.
- Testing: Re-enabled legacy skipped tests (4 tests) by updating
geometry mocks to native API.
- Testing: Added integration suite for 3D vertical projections in
Cartesian systems.
3.1.0 (2026-02-19)
* Global i18n Expansion & Architecture Pipeline:
- i18n & GUI: Mass automatic translation of missing strings in all 14
Supported languages. Added translatable validation messages.
- Export: Added debug logging and i18n support to exporters. Added
'Reset to defaults' button for export options.
- Core: Modularized ProjectValidator using Pipeline pattern.
Decomposed StateManager.
- Core: Eliminated circular imports in validation. Stabilized
QCoreApplication imports for tests.
3.0.1 (2026-02-17)
* Quality & Stability Release:
- Signals: Eliminated 22 signal leaks, achieving zero-leak status.
- Quality: Achieved 70.0/100 maintainability score with project-wide
formatting.
- i18n: Expanded support to 14 languages (added Polish, Dutch, and
Finnish).
- Maintenance: Optimized plugin size by 80% via .qgisignore.
3.0.0 (2026-02-14)
* Major Evolution - Global Reach & Core Stability:
- i18n: Achieved 100% core coverage for 8 languages (ES, FR, PT_BR,
DE, RU, ZH_CN, ID, IT).
- Automation: Integrated full i18n maintenance workflow into Makefile
(`make transup`).
- Architecture: Decomposed `DrillholeService` into specialized
processors (`Collar`, `Survey`, `Interval`) using the Facade Pattern
(ADR-0008).
- Architecture: Implemented `AccessControlService` for secure
management of restricted 3D features.
- Domain Layer: Transitioned from monolithic `types.py` to a modular
`core.domain` package (Entities, DTOs, Enums).
- Performance: Enhanced asynchronous background tasks with safer UI
decoupling.
- Infrastructure: Automated translation engine (`apply_full.py`) with
version-controlled master data.
- Quality: Overhauled test infrastructure with robust QGIS API mocks
(160+ mock methods).
2.9.0 (2026-02-01)
* Quality Sprint - Architecture Consolidation:
- Core: Decoupled DrillholeService into specialized processors (SRP).
- Core: Modularized 'core.types' and unified data flow across
services.
- Core: Replacing .clone() with robust constructors and centralized
context setup.
- Quality: 100% test success with improved environment stabilization.
2.8.0 (2026-01-25)
* Debt Reduction & UI Improvements:
- Core: Full Core-QGIS Architectural Decoupling using WKT/DTO pattern.
- Core: Improved thread-safety for background tasks.
- UI: Added legend visibility toggle with project/global persistence.
- Infrastructure: Enhanced geometric mocks (azimuth support).
- Documentation: Fixed API docs Sphinx build.

2.7.0 (2026-01-18)
* Operational Excellence & Documentation:
- Infrastructure: Dockerized QA environment (100% tests passing).
- Documentation: Automated Sphinx docs & Clean HTML.
- Architecture: 3-Level Robust Validation & Dialog Managers.
- Features: Enhanced 3D Export (PolygonZ) & Sidebar UI.
- i18n: Full English/Spanish support.

2.6.0 (2026-01-09)
* Infrastructure & DevOps:
- CI/CD: Fully dockerized pipeline using official QGIS image.
- Optimization: CC <= 5 in 3D Exporter.
* Stability & Quality:
- Resolved mock pollution in GUI tests.
- Project-wide code formatting (black).
- Added performance benchmarks.
* Internationalization:
- Translated Measure tool and default namings.
* GUI & Validation:
- Unified validation logic and UI completion checks.

2.5.0 (2026-01-03)
* Major Features:
- 3D Interpretation Export: Export 2D interpretations as real 3D
Shapefiles (PolygonZ).
- Settings Page: New sidebar page to manage plugin configurations.
* Improvements & Stability:
- Overhauled Data Persistence: Robust restoration with multi-scope
support and layer name fallback.
- Proactive Auto-save: Parameters are remembered immediately on
Preview or dialog Accept.
- Quality Assurance: Project-wide Ruff activation and legacy
validation fix.
- Forced Disk Sync: Immediate configuration writing for increased
reliability.
- Fixed Geology Preview Rendering error.

2.4.0 (2025-12-31)
* Major Features:
- Internationalization System: 5 languages (ES, FR, DE, RU, PT_BR)
with auto-locale detection.
- Interpretation Tool: Interactive feature digitizing on profile with
smart snapping and auto-styling.
* Architecture & Refactoring:
- Complete Core Refactoring (Phases 1-6): DI, Exceptions,
CacheManager, Async, Validation.
- GUI Decomposition: Split main dialog into specialized managers.
* Infrastructure:
- Migrated to 'uv' for dependency management (uv.lock).
- Centralized configuration in pyproject.toml.
- Pre-commit hooks and Strict Linting (100% QGIS Compliance).
* Critical Fixes:
- Stability improvements in Preview rendering and I18n loading.

2.3.0 (2025-12-25)
* Enhanced Multi-Point Measurement Tool:
- Support for polyline tracing with unlimited measurement points
- Dedicated "Finalize" button for explicit measurement completion
- Comprehensive metrics: Total 3D distance, Horizontal distance,
Elevation change, Average slope
- Persistent visual feedback with green vertex markers and measurement
lines
- Auto-reset on new measurement for improved workflow
* Structural Improvement Plan - Major Architectural Refactoring:
- Phase 1 - Architectural Decoupling:
* Extracted DialogToolManager for map tool encapsulation
* Centralized preview logic in PreviewManager
* Eliminated PyQt dependencies from core/validation (enum-based
FieldType)
- Phase 2 - Complexity Reduction:
* Modularized geometry.py into extraction/processing/filtering
sub-packages
* Refactored DrillholeService with extracted private methods
* Implemented adaptive LOD (Level of Detail) for topography
- Phase 3 - Performance Optimization:
* Robust cache with hash-based invalidation in PreviewManager
* Spatial indexing (QgsSpatialIndex) for drillhole filtering
* Improved rendering performance (84ms for 6km sections)
- Phase 4 - Documentation:
* Created ARCHITECTURE.md (unified technical documentation)
* Created DEVELOPMENT_GUIDE.md (developer onboarding)
* Improved docstring coverage to 75.9%
* Code Quality Improvements:
- Quality score increased from 71.1 to 74.4 (+4.6%)
- Fixed all critical lint errors (imports, typing, complexity)
- Removed deprecated typing imports (Dict/List → dict/list)
- Improved error handling with logger.exception
* Critical Bug Fixes:
- Fixed ModuleNotFoundError for geometry_utils sub-package
- Resolved NameError for Optional in profile_service.py
- Fixed AttributeError in measure_tool (DialogToolManager access)
- Corrected TypeError in create_buffer_geometry signature
- Fixed UnboundLocalError in PreviewManager cache handling
- Added CRS transformation support in spatial filtering
- Implemented field validation for drillhole processing
- Fixed geology disappearing on subsequent preview clicks (cache
persistence)
- Fixed drillholes not rendering (missing return statement in
_generate_drillholes)
- Added diagnostic logging for drillhole trace generation

2.2.0 (2025-12-22)
* Major Refactoring & Architecture:
- Moved main SecInterp class to plugin root (sec_interp_plugin.py).
- Modularized validation into core/validation/ package.
- Fragmented SecInterpDialog into specialized managers.
* Documentation & Optimization:
- Translated 100% of documentation (ARCHITECTURE.md) to English.
- Optimized Help System (removed source code views/redundant raw
sources).
- Slimmed ZIP package by 70% uncompressed through advanced exclusions.
* Features & UX:
- Restored visual workflow images to User Guide.
- Fixed toolbar icon loading and Axis/Grid alignment.

2.1.0 (2025-12-17)
* Major Feature: Snap-Enabled Measurement Tool
- Iterative vertex snapping using QgsPointLocator (Avoids project
pollution)
- Performance optimized with locator caching
* AI Workflow & Reliability:
- Unicode normalization (NFD) for robust keyword matching (accents
support)
- Direct integration of AI_CONTEXT and Project Brain in prompts
* Fixes:
- Resolved QgsSnappingConfig AttributeError (QgsTolerance.Pixels)
- Eliminated scratch layer warnings

2.0 (2025-12-14)
* Major Feature: Drillhole Data Handling
- 3D Projection of drillhole traces onto 2D profile sections
- Auto-calculation of total depths and handling of vertical holes
without survey
- Visualization of geological intervals along drillhole traces
* Drillhole Data Export:
- Export drillhole traces to Shapefile (drillhole_traces.shp)
- Export interval data with attributes to Shapefile
(drillhole_intervals.shp)
* Major UI Refactoring & Enhancements:
- New specialized Drillhole Input Page
- Enhanced Preview System with dedicated persistent rendering for all
data types
- Fixed critical rendering bugs (zoom persistence, async updates)
* Architecture:
- Implemented DrillholeService for encapsulated logic
- Refactored ProfileController to orchestrate multiple data services
- Unified export logic with extensible Exporter pattern

1.1 (2025-12-12)
* Performance & Optimization:
- Implemented asynchronous parallel processing for geological
generation
- Integrated Performance Monitor (RAM & Execution Time tracking)
- Added non-blocking UI during heavy calculations
* Preview System Enhancements:
- Implemented Adaptive Level of Detail (LOD) for high-performance
rendering
- Added Dynamic Zoom-based LOD (details increase as you zoom in)
- Added Measurement Tool (Distance and Slope/Gradient)
- Improved CRS handling and fixed blank rendering issues
* Architecture & Fixes:
- Refactored services to use Command Pattern for parallel execution
- Fixed structure projection consistency
- Resolved "No valid layers to render" warnings
- Fixed Dip Scale Factor application


1.0 (2025-12-08)
* Refactoring & Architecture:
- Split monolithic modules (algorithms.py, main_dialog.py) into
focused components
- Modularized exporters ecosystem
- Implemented spatial indexing and native QGIS algorithms for
performance
* Quality Assurance:
- Added comprehensive type hinting across modules
- Enhanced test infrastructure with pytest and QGIS support
- Implemented security fixes (path traversal protection)
* Major UI Refactoring - Plugin Manager Style:
- Redesigned main dialog with sidebar navigation (QListWidget +
QStackedWidget)
- Replaced absolute positioning with responsive layouts (QVBoxLayout,
QHBoxLayout, QSplitter)
- Integrated native QGIS theme icons for sidebar items
- Improved preview/results area proportions with better vertical space
management
- Fixed legend rendering and resizing issues
* Code Quality Improvements:
- Extracted LegendWidget to separate module (gui/legend_widget.py)
- Refactored preview_profile_handler with helper methods and early
returns
- Refactored export_preview with dedicated methods per format (PNG,
JPG, SVG, PDF)
- Applied SOLID principles throughout main dialog class
* Documentation:
- Added COMMIT_GUIDELINES.md for standardized commit messages
- Added RELEASE_PROCESS.md with version release workflow
- Added drilllogs_research.md with future integration requirements

0.3 (2025-12-03)
* Major Refactoring - Modular Project Structure:
- Reorganized codebase into core/, gui/, resources/ packages
- Improved code maintainability and scalability
- Better separation of concerns (business logic, UI, resources)
* Quality Improvements:
- Achieved Pylint score 10/10
- Specific exception handling throughout codebase
- Comprehensive code documentation
- Configured .pylintrc for consistent code quality
* Testing & CI/CD:
- Added pytest infrastructure with QGIS support
- Created initial unit tests (3 tests passing)
- Configured GitHub Actions for automated testing
- Test configuration in tests/conftest.py
* Build System:
- Updated Makefile for new structure
- Refactored deploy.sh for modular deployment
- Organized build scripts in scripts/ directory
* Documentation:
- Added REFACTORING_PR.md with detailed changes
- Improved project documentation structure
- Added implementation plans for future features

0.2 (2025-11-30)
* Major UI Overhaul - Native QGIS Widget Integration:
- Replaced standard Qt ComboBoxes with QgsMapLayerComboBox for
automatic layer population
- Integrated QgsRasterBandComboBox for intelligent raster band
selection
- Added QgsFileWidget for native file/directory browsing with QGIS
integration
- Eliminated manual layer population code - widgets auto-sync with
QGIS project
- Improved user experience with native QGIS look and feel
* UI Enhancements:
- Collapsible results panel (QgsCollapsibleGroupBox) for better space
management
- Read-only results field to prevent accidental edits
- Fixed Qt enum syntax for better cross-version compatibility
* New Features:
- Flexible parsers for geological structural measurements (dip/strike
formats)
- Comprehensive logging system integrated with QGIS Message Panel
- Enhanced validation logic for QgsMapLayer objects
* Code Quality:
- Removed 200+ lines of manual widget population code
- Cleaner architecture leveraging QGIS native capabilities

0.1 (Initial Release)
- DEM topographic profile extraction
- Geological outcrop data extraction
- Structural point data extraction
- Interactive preview visualization

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