aiplan4eu/unified-planning
Apr 2023 – Mar 2026
14 Months active
Languages Used
PythonBashYAMLRST
Technical Skills
AIPythonback end developmentplanning algorithmssoftware debuggingdocumentation
Alessandro Valentini
PROFILE
Alessandro Valentini
Over 14 months, contributed to the aiplan4eu/unified-planning repository by engineering advanced planning features, improving reliability, and strengthening CI/CD pipelines. Delivered dynamic planning capabilities, robust process management, and mutex-based concurrency control for multi-agent scenarios using Python and YAML. Enhanced code quality through systematic refactoring, static analysis, and type hinting, while maintaining comprehensive documentation and onboarding resources. Addressed critical bugs in planner execution, PDDL parsing, and action processing, reducing runtime errors and improving cross-platform stability. Led release engineering efforts, established semantic versioning, and automated deployment workflows, ensuring maintainable, production-ready releases that support scalable, realistic planning solutions for complex environments.
Overall Statistics
Feature vs Bugs
71%Features
Repository Contributions
33Total
Bugs
7
Commits
33
Features
17
Lines of code
111,869
Activity Months14
Your Network
31 peopleSame Organization
@fbk.eu14
Shared Repositories
17
Arthur Bit-MonnotMember
AlelafarMember
Andrea MicheliMember
Joan Espasa ArxerMember
Enrico ScalaMember
Enrico ScalaMember
Enrico ScalaMember
Luca FrambaMember
Gabi RoegerMember
Work History
March 2026
1 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for aiplan4eu/unified-planning. Focused on documentation and constants renaming for compiler operation modes to improve clarity and maintainability. The changes center on the DurativeActionToProcesses class and related constants, aligning names with operation modes to reduce misconfiguration risk and accelerate onboarding. No major bug fixes were recorded this month; maintenance activity emphasized documentation and naming consistency.
1 Commits • 1 Features
Mar 1, 2026March 2026 monthly summary for aiplan4eu/unified-planning. Focused on documentation and constants renaming for compiler operation modes to improve clarity and maintainability. The changes center on the DurativeActionToProcesses class and related constants, aligning names with operation modes to reduce misconfiguration risk and accelerate onboarding. No major bug fixes were recorded this month; maintenance activity emphasized documentation and naming consistency.
March 2026
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for aiplan4eu/unified-planning. Focused on establishing a solid contributor experience and robust CI/CD foundations to accelerate delivery and improve quality. Key features delivered and adjustments included onboarding infrastructure, templates, and governance; bug fix addressing a typo in operation modes to improve configuration clarity and reliability.
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for aiplan4eu/unified-planning. Focused on establishing a solid contributor experience and robust CI/CD foundations to accelerate delivery and improve quality. Key features delivered and adjustments included onboarding infrastructure, templates, and governance; bug fix addressing a typo in operation modes to improve configuration clarity and reliability.
January 2026
1 Commits
Jan 1, 2026January 2026 monthly summary for aiplan4eu/unified-planning focusing on the Durative Action processing correctness and test coverage. Delivered a targeted refactor of DurativeActionToProcesses to improve code clarity, handling of various action types, conditions, effects, and parameters, and tightened the test suite to ensure accurate validation of durative actions processing. Overall, this work increases reliability of plan generation for durative actions and strengthens long-term maintainability.
1 Commits
Jan 1, 2026January 2026 monthly summary for aiplan4eu/unified-planning focusing on the Durative Action processing correctness and test coverage. Delivered a targeted refactor of DurativeActionToProcesses to improve code clarity, handling of various action types, conditions, effects, and parameters, and tightened the test suite to ensure accurate validation of durative actions processing. Overall, this work increases reliability of plan generation for durative actions and strengthens long-term maintainability.
January 2026
December 2025
1 Commits • 1 Features
Dec 1, 2025December 2025: Delivered Release 1.3.0 for aiplan4eu/unified-planning, marking a packaging-focused upgrade from 1.2.0 to 1.3.0. This upgrade establishes semantic versioning readiness and a stable baseline for customer deployments and downstream integrations. No major bugs fixed in this period; emphasis on release engineering, packaging stability, and groundwork for upcoming features. Business impact: reduces integration risk, improves predictability, and sets the stage for future feature delivery.
December 2025
1 Commits • 1 Features
Dec 1, 2025December 2025: Delivered Release 1.3.0 for aiplan4eu/unified-planning, marking a packaging-focused upgrade from 1.2.0 to 1.3.0. This upgrade establishes semantic versioning readiness and a stable baseline for customer deployments and downstream integrations. No major bugs fixed in this period; emphasis on release engineering, packaging stability, and groundwork for upcoming features. Business impact: reduces integration risk, improves predictability, and sets the stage for future feature delivery.
November 2025
4 Commits • 1 Features
Nov 1, 2025November 2025 delivered major enhancements to the planning core in aiplan4eu/unified-planning. Key features include DurativeActionToProcesses timing enhancements with configurable action counter, support for timed effects, and default action clock initialization, plus locking improvements for increase/decrease effects to boost timing accuracy. A critical reliability fix for instantaneous actions ensures correct preconditions and fluent values. These changes improve plan correctness, reduce runtime anomalies, and enable more realistic duration-based planning, delivering stronger business value and faster, more dependable deployments.
4 Commits • 1 Features
Nov 1, 2025November 2025 delivered major enhancements to the planning core in aiplan4eu/unified-planning. Key features include DurativeActionToProcesses timing enhancements with configurable action counter, support for timed effects, and default action clock initialization, plus locking improvements for increase/decrease effects to boost timing accuracy. A critical reliability fix for instantaneous actions ensures correct preconditions and fluent values. These changes improve plan correctness, reduce runtime anomalies, and enable more realistic duration-based planning, delivering stronger business value and faster, more dependable deployments.
November 2025
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025: Strengthened planning reliability in the aiplan4eu/unified-planning project by implementing mutex-based concurrency control for the DurativeActionToProcesses compiler. This included read/write locks, revised action preconditions/effects to reflect mutex logic, and synchronized action execution to reduce conflicts in concurrent environments. The change enhances robustness for multi-agent planning scenarios and aligns with ongoing efforts to improve planning throughput and correctness.
October 2025
1 Commits • 1 Features
Oct 1, 2025October 2025: Strengthened planning reliability in the aiplan4eu/unified-planning project by implementing mutex-based concurrency control for the DurativeActionToProcesses compiler. This included read/write locks, revised action preconditions/effects to reflect mutex logic, and synchronized action execution to reduce conflicts in concurrent environments. The change enhances robustness for multi-agent planning scenarios and aligns with ongoing efforts to improve planning throughput and correctness.
September 2025
2 Commits • 1 Features
Sep 1, 2025Month 2025-09: Focused on reliability of planner execution and onboarding clarity. Delivered a process-termination robustness fix for PDDLAnytimePlanner and enhanced Planner Integration notebook with ProblemKind versioning guidance. These changes improve stability of long-running planning tasks, reduce risk of orphaned processes, and streamline user integration.
2 Commits • 1 Features
Sep 1, 2025Month 2025-09: Focused on reliability of planner execution and onboarding clarity. Delivered a process-termination robustness fix for PDDLAnytimePlanner and enhanced Planner Integration notebook with ProblemKind versioning guidance. These changes improve stability of long-running planning tasks, reduce risk of orphaned processes, and streamline user integration.
September 2025
July 2025
6 Commits • 3 Features
Jul 1, 2025July 2025 (2025-07) highlights for aiplan4eu/unified-planning: delivered stability improvements for PDDLPlanner, upgraded ProblemKind versioning to v3, and enhanced CI reliability in the unified-planning repository. These changes reduce runtime failures, improve cross-platform behavior, and strengthen upgrade paths. Key features delivered: - PDDLPlanner Command Execution Stability and Cross-Platform Behavior: centralized run_command, improved cross-platform termination of child processes, refactored run_command_posix_select for simpler POSIX behavior, and enhanced type hints for robustness. Commits: 5361fd11b3e287ffbf0be3d7cbf729b5e1988bc8; 37fe199d518dd1ba6db4a919b0707083cd9875a0; 7506d78f4605f24be1bb40b8ff53e1892abade81 - ProblemKind Versioning Upgrade to v3 and Logic Refactor: upgrade to v3 with new features and downgrade path; refactored version comparison logic to an upgrade-based approach and updated feature version mappings. Commits: ac170cdaf80802e38f9cfbf853f9d388874f37f2; 94949db0b9fd464dfc17fcca8298cbe026be5876 - CI Pipeline Maintenance: Upgrading up_enhsp Tool: CI configuration updated to reference the latest up_enhsp tool version for reliability. Commit: 152606064f92c157a4af5fd6447dc93f8bf5011b
July 2025
6 Commits • 3 Features
Jul 1, 2025July 2025 (2025-07) highlights for aiplan4eu/unified-planning: delivered stability improvements for PDDLPlanner, upgraded ProblemKind versioning to v3, and enhanced CI reliability in the unified-planning repository. These changes reduce runtime failures, improve cross-platform behavior, and strengthen upgrade paths. Key features delivered: - PDDLPlanner Command Execution Stability and Cross-Platform Behavior: centralized run_command, improved cross-platform termination of child processes, refactored run_command_posix_select for simpler POSIX behavior, and enhanced type hints for robustness. Commits: 5361fd11b3e287ffbf0be3d7cbf729b5e1988bc8; 37fe199d518dd1ba6db4a919b0707083cd9875a0; 7506d78f4605f24be1bb40b8ff53e1892abade81 - ProblemKind Versioning Upgrade to v3 and Logic Refactor: upgrade to v3 with new features and downgrade path; refactored version comparison logic to an upgrade-based approach and updated feature version mappings. Commits: ac170cdaf80802e38f9cfbf853f9d388874f37f2; 94949db0b9fd464dfc17fcca8298cbe026be5876 - CI Pipeline Maintenance: Upgrading up_enhsp Tool: CI configuration updated to reference the latest up_enhsp tool version for reliability. Commit: 152606064f92c157a4af5fd6447dc93f8bf5011b
May 2025
1 Commits
May 1, 2025May 2025 monthly summary for aiplan4eu/unified-planning: Focused on strengthening type-safety and robustness in the MAPDDLWriter. Implemented explicit None checks to guard domain_objects, preventing potential mypy/type errors and ensuring correctness in two critical loops. The change reduces runtime risk and improves maintainability, enabling smoother CI checks and fewer review iterations for type-related issues.
1 Commits
May 1, 2025May 2025 monthly summary for aiplan4eu/unified-planning: Focused on strengthening type-safety and robustness in the MAPDDLWriter. Implemented explicit None checks to guard domain_objects, preventing potential mypy/type errors and ensuring correctness in two critical loops. The change reduces runtime risk and improves maintainability, enabling smoother CI checks and fewer review iterations for type-related issues.
May 2025
February 2025
4 Commits • 2 Features
Feb 1, 2025February 2025: Delivered reliability and onboarding improvements for aiplan4eu/unified-planning. Key outcomes: 1) PDDL Reader robustness fixes: parse total-cost as MinimizeActionsCost for non-constant costs and fixed parsing of Object-type (father name set to None), reducing runtime errors. Commits: 46dd1cd7b55a941cdc1491c6a25e1b3387d0cf92; a23ba1e6eb7c00db27dcd0c31089e9bc2eed1466. 2) PDDL Name Sanitization Enhancement: allow hyphens in PDDL names by updating the sanitization regex. Commit: 9f92aa6751564bc8904340240cdef0a185d85bfa. 3) Planner Integration Tutorial Notebook Improvements: improved formatting and initialization; plan resets to an empty state when restarting planning. Commit: 61bdd5b1fcbc600d61a36b4a7ad05363e58486e3. These changes collectively improve reliability, compatibility, and onboarding for planners using the repository.
February 2025
4 Commits • 2 Features
Feb 1, 2025February 2025: Delivered reliability and onboarding improvements for aiplan4eu/unified-planning. Key outcomes: 1) PDDL Reader robustness fixes: parse total-cost as MinimizeActionsCost for non-constant costs and fixed parsing of Object-type (father name set to None), reducing runtime errors. Commits: 46dd1cd7b55a941cdc1491c6a25e1b3387d0cf92; a23ba1e6eb7c00db27dcd0c31089e9bc2eed1466. 2) PDDL Name Sanitization Enhancement: allow hyphens in PDDL names by updating the sanitization regex. Commit: 9f92aa6751564bc8904340240cdef0a185d85bfa. 3) Planner Integration Tutorial Notebook Improvements: improved formatting and initialization; plan resets to an empty state when restarting planning. Commit: 61bdd5b1fcbc600d61a36b4a7ad05363e58486e3. These changes collectively improve reliability, compatibility, and onboarding for planners using the repository.
January 2025
3 Commits • 2 Features
Jan 1, 2025January 2025 (2025-01) — Consolidated reliability and collaboration improvements in aiplan4eu/unified-planning: 1) Reverted Jupyter notebook formatting to the original style to restore code readability and compatibility. 2) Updated docs/contributions.rst to reflect current contributors, improving onboarding and governance. 3) Refactored PDDL I/O for continuous changes to improve parsing/writing of continuous effects, time-dependent #t handling, and enforce applicability of continuous effects to processes. These changes reduce formatting-related issues, improve contributor governance, and make planning models more robust for production use.
3 Commits • 2 Features
Jan 1, 2025January 2025 (2025-01) — Consolidated reliability and collaboration improvements in aiplan4eu/unified-planning: 1) Reverted Jupyter notebook formatting to the original style to restore code readability and compatibility. 2) Updated docs/contributions.rst to reflect current contributors, improving onboarding and governance. 3) Refactored PDDL I/O for continuous changes to improve parsing/writing of continuous effects, time-dependent #t handling, and enforce applicability of continuous effects to processes. These changes reduce formatting-related issues, improve contributor governance, and make planning models more robust for production use.
January 2025
December 2024
4 Commits • 2 Features
Dec 1, 2024December 2024 monthly wrap-up for aiplan4eu/unified-planning. Focused on release engineering, dependency maintenance, and CI/CD reliability to enable faster, safer releases and a more scalable planning workflow. Key actions delivered centralized release workflow, updated planning tooling, and fixes to CI deployment.
December 2024
4 Commits • 2 Features
Dec 1, 2024December 2024 monthly wrap-up for aiplan4eu/unified-planning. Focused on release engineering, dependency maintenance, and CI/CD reliability to enable faster, safer releases and a more scalable planning workflow. Key actions delivered centralized release workflow, updated planning tooling, and fixes to CI deployment.
May 2023
1 Commits • 1 Features
May 1, 2023May 2023 monthly summary for aiplan4eu/unified-planning highlighting documentation and readability enhancements that lay groundwork for maintainability and faster onboarding.
1 Commits • 1 Features
May 1, 2023May 2023 monthly summary for aiplan4eu/unified-planning highlighting documentation and readability enhancements that lay groundwork for maintainability and faster onboarding.
May 2023
April 2023
3 Commits • 1 Features
Apr 1, 2023April 2023 - Monthly summary for aiplan4eu/unified-planning. Focused on delivering dynamic planning capabilities and stabilizing the simulated environment under uncertainty to drive automated decision-making and reduce manual intervention.
April 2023
3 Commits • 1 Features
Apr 1, 2023April 2023 - Monthly summary for aiplan4eu/unified-planning. Focused on delivering dynamic planning capabilities and stabilizing the simulated environment under uncertainty to drive automated decision-making and reduce manual intervention.
Activity
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Quality Metrics
Correctness92.2%
Maintainability90.4%
Architecture87.2%
Performance85.8%
AI Usage23.0%
Skills & Technologies
Programming Languages
BashPythonRSTYAML
Technical Skills
AICI/CDCode FormattingCode RefactoringContinuous IntegrationCross-Platform DevelopmentDependency ManagementDevOpsDocumentationError HandlingGitHub ActionsIO HandlingJupyter NotebooksPDDLPDDL Parsing
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline