Release Notes

Monolith release notes provide information on the components and new features in each Monolith release, as well as various bug fixes. The Monolith zip file is compatible with Windows, MacOS, and Linux operating systems.

Monolith uses the following components with their version numbers (listed foreach Monolith release):

  • Mastro
  • Mastro Web Services (MWS) (same version as Mastro)
  • MWS-Server (same version as mastro)
  • Grapholscape
  • Sparqling (now embedded in Monolith)

Monolith 5.0.5

LATEST Stable Release Sep 18, 2025

Component Versions

  • Mastro v3.2.6
  • Grapholscape v4.1.0

What’s changed

  • Bug fix

Monolith 5.0.1

Stable Release Jun 3, 2025

Component Versions

  • Mastro v3.2.1
  • Grapholscape v4.1.0

What’s changed

  • Bug fix

Monolith 5.0.0

Stable Release May 13, 2025

Component Versions

  • Mastro v3.2.0
  • Grapholscape v4.1.0

What’s changed

  • VKG: multiple layouts
  • VKG: time distribution chart
  • VKG: maps
  • Schedule queries
  • Query agent
  • Users feedbacks
  • Change dark/light theme
  • Custom menus per user
  • Usage statistics
  • New logo

Monolith 4.2.5

Stable Release Feb 13, 2025

Component Versions

  • Mastro v3.1.7
  • Grapholscape v4.0.13

What’s changed

  • Bug fix
  • Mapping Graph: improve interface
  • Better performance

Monolith 4.2.4

Stable Release Dec 9, 2024

Component Versions

  • Mastro v3.1.6
  • Grapholscape v4.0.12

What’s changed

  • Ontology Designer: import ontologies
  • VKG: global custom noderendering
  • Bootstrap simple SQL views
  • Bug fix
  • VKG: enhance filter UX
  • VKG: better performance

Monolith 4.2.3

Stable Release Oct 28, 2024

Component Versions

  • Mastro v3.1.5
  • Grapholscape v4.0.11

What’s changed

  • Mapping bootstrap
  • VKG RDF: improve UX
  • Bug fiexs

Monolith 4.2.2

Stable Release Oct 23, 2024

Component Versions

  • Mastro v3.1.4
  • Grapholscape v4.0.11

What’s changed

  • Ontology Catalog
  • VKG for RDF databases
  • Embed SPARQLING in monolith
  • Extend VKG capabilities
  • Visualize SPARQL queries
  • Ontology designer

Monolith 4.1.5

Stable Release Aug 1, 2024

Component Versions

  • Mastro v3.1.3
  • Grapholscape v4.0.9

What’s changed

  • Performance improved
  • Bug fixes

Monolith 4.1.4

Stable Release Jul 19, 2024

Component Versions

  • Mastro v3.1.2
  • Grapholscape v4.0.9
  • Sparqling: embedded in monolith code

What’s changed

  • Ontology Catalog
  • NewCQ: implementation of new optimized unfolding mechanism for simple queries
  • VKG: Custom node rendering
  • VKG: filters
  • Custom annotations
  • New charts
  • Bug fixes

Monolith 4.0.2

Stable Release Mar 26, 2024

Component Versions

  • Mastro 3.0.1
  • Grapholscape 4.0.3
  • Sparqling 1.3.8

What’s changed

  • Ontology Designer: Mandatory participations and Typizations by @gianluca-pepe in https://github.com/obdasystems/monolith/pull/1282
  • Update menus for merged query builder/path - #1281 by @gianluca-pepe in https://github.com/obdasystems/monolith/pull/1285
  • Designer: Minor Fixes by @gianluca-pepe in https://github.com/obdasystems/monolith/pull/1293
  • Fix wrt new yasqe by @giacomoronconiobda in https://github.com/obdasystems/monolith/pull/1295
  • Dashboards by @giacomoronconiobda in https://github.com/obdasystems/monolith/pull/1301
  • [Ontology Designer] multiple class data property typizations warnings by @gianluca-pepe in https://github.com/obdasystems/monolith/pull/1303
  • Express by @giacomoronconiobda in https://github.com/obdasystems/monolith/pull/1302
  • Grapholscape@4.0.3 and Sparqling@1.3.8 by @gianluca-pepe in https://github.com/obdasystems/monolith/pull/1315
  • Annotation Modal for IRI range by @MariaRosariaFraraccio in https://github.com/obdasystems/monolith/pull/1317
  • Annotation Property Edges by @MariaRosariaFraraccio in https://github.com/obdasystems/monolith/pull/1321
  • Develop by @giacomoronconiobda in https://github.com/obdasystems/monolith/pull/1323

Monolith 4.0.1

Stable Release Dec 6, 2023

Component Versions

  • Mastro v3.0.0
  • MWS v3.0.0
  • MWS-Server v1.1.0
  • Grapholscape v4.0.1
  • Sparqling v1.3.5

Bug Fixes

  • Fix typos
  • Fix VKG hierarchies
  • Keep session alive on VKG and designer

Monolith 4.0.0

Stable Release Nov 28, 2023

Component Versions

  • Mastro v3.0.0
  • MWS v3.0.0
  • MWS-Server v1.1.0
  • Grapholscape v4.0.0
  • Sparqling v1.3.4

New Features

  • Ontology Designer
  • Triplification: new interface
  • VKG catalog
  • Upload/Download Sparqling catalog
  • Improve Mapping Graph
  • DB metadata
  • Automatically generate keys for simple SQL viewws
  • Data Lineage: focus highlighted path
  • Support gscape files
  • Duplicate default datasource
  • Mastro query log
  • Support of quoted columns in SQL tables
  • New way of rewriting conjunctive queries
  • Automatic detection of query semantics

Bug Fixes

  • Improve performance
  • Fix styles
  • Fix Mapping Graph issues
  • Fix templates count issues
  • Error on deleting ontology
  • Tests

Monolith 3.0.0

Stable Release May 31, 2023

Component Versions

  • Mastro v2.5.1
  • MWS v2.5.1
  • MWS-Server v1.1.0
  • Grapholscape v3.2.6
  • Sparqling v1.3.3

New Features

  • Mapping Graph
  • Build charts from results
  • Virtual entities
  • Improve VKG functionalities
  • Added Annotation Mapping support (rdfs:label)
  • Instance checking
  • Count instances of entities of ontology
  • New Endpoint page
  • Language tag to results

Bug Fixes

  • Fix and improve Data Lineage
  • Fix styles
  • Fix colors to better readability

Monolith 2.5.0

Stable Release Feb 1, 2023

Component Versions

  • Mastro v2.3.0
  • MWS v1.4.6
  • MWS-Server v1.0.4
  • Grapholscape v3.2.2
  • Sparqling v1.3.2

New Features

  • Integrated Grapholscape v3.0
  • Added triplification function for R2RML and Mastro mappings
  • Added save feature for Sparqling queries (Sparqling catalog)
  • Added Query Graph mode to Sparqling
  • Added first version of VKG explorer
  • Added support for intentional and extensional annotations in mapping assertions

Bug Fixes

  • Fixed several issues with AVP interface
  • Fixed issue with data properties in Data Lineage tree

Monolith 2.4.0

Stable Release Oct 5, 2022

Component Versions

  • Mastro v2.3.0
  • MWS v1.4.6
  • MWS-Server v1.0.4
  • Grapholscape v2.0.1
  • Sparqling v1.0.2

New Features

  • Added Sparqling no-code SPARQL query builder
  • Added in-application JDBC driver management
  • Added datasource icons
  • Added Data Lineage graphs for Mappings
  • Added Authorization View Profiles
  • Added support for defining Mastro Endpoints through AVP-generated mappings

Monolith 2.3.0

Stable Release May 23, 2022

Component Versions

  • Mastro v2.2.0
  • MWS v1.4.6
  • MWS-Server v1.0.4
  • Grapholscape v2.0.1

New Features

  • Added Knowledge Graph details to Mastro_Home tab in Settings
  • Updated Query Report for FullSparql query mode
  • Dropped support for CQ-only query mode
  • Added saving of preferred Grapholscape theme
  • Updated support for most recent OWLAPI library
  • Added support for H2 database
  • Added support for the following SPARQL string functions: STRLEN, STRSTARTS, STRENDS,STRBEFORE, STRAFTER

Bug Fixes

  • Fixed issue when opening Grapholscape in new browser tab
  • Fixed issues with SPARQL queries with CONSTRUCT query form
  • Fixed issue with SPARQL queries with nested SELECT clauses
  • Fixed issue with SPARQL queries executed in COUNT mode
  • Fixed issue with SPARQL queries with long identifiers when running on Oracle DBMS
  • Fixed issue with SPARQL queries with Order By clauses

Monolith 2.2.1

Stable Release Apr 11, 2022

Component Versions

  • Mastro v2.1.4
  • MWS v1.4.6
  • MWS-Server v1.0.4
  • Grapholscape v2.0.1

New Features

  • Added option to import ontologies or mappings from URL
  • Added Mastro Home tab to Settings with details of the MASTRO_HOME repository
  • Added possibility of exporting a Check Set to a different ontology version
  • Integration of Grapholscape v2.0.1
  • Added SQL profile for H2 DBMS
  • Removed escape of # character in IRI templates

Bug Fixes

  • Fixed issue with editing of SQL Views
  • Fixed issue with exporting query results in JSON format
  • Fixed issue with SQL query production for SPARQL queries with COUNT * in the SELECT clause
  • Fixed issues with SQL query production for SPARQL queries with nested SELECT clauses
  • Fixed several issues with JSQLParser

Monolith 2.2.0

Stable Release Mar 8, 2022

Component Versions

  • Mastro v2.1.3
  • MWS v1.4.6
  • MWS-Server v1.0.4
  • Grapholscape v2.0.0

New Features

  • Improved interface for definition of Roles and Permissions
  • Added default roles for Reader e Designer
  • Added Ordering of Mapping Cards
  • Improved Mapping Refactoring after SQL View modiications
  • Modified identifiers for Ontology Mappings and Ontology Endpoints to facilitate handling ofpermissions to new Mappings and Endpoints
  • Integration of version 2.0 of Grapholscape

Bug Fixes

  • Fixed issue with duplicate error message when creating a Mapping from an SQL View page
  • Fixed issues with loading ontologies with annotations on the ontology
  • Fixed issue with Permission creation form
  • Fixed issue with SQL Query in exported mappings
  • Fixed issue with ID of SPARQL queries in export log

Monolith 2.1.2

Stable Release

Component Versions

  • Mastro v2.1.1
  • MWS v1.4.5
  • MWS-Server v1.0.4
  • Grapholscape v1.3.0

New Features

  • Added support backing up Mapping file
  • Added support for Mapping refactoring after modification of SQL Views

Bug Fixes

  • Fixed issues Check Set creation form
  • Fixed issues while modifying or saving a Mapping
  • Fixed issue with Ontology reasoning in FullSparql query mode
  • Fixed issue with SPARQL query generation of Participation Constraint

Monolith 2.1.0

Stable Release

Component Versions

  • Mastro v2.1.0
  • MWS v1.4.4
  • MWS-Server v1.0.4
  • Grapholscape v1.3.0

New Features

  • Added support for additional Data Quality Constraints
  • Added “select-all” checkboxes in Check Set editing form
  • Added query execution time in Info Tab for Data Quality History log
  • Expanded Endpoint details in Data Quality History Log
  • Added support for subqueries in SPARQL queries, with at most one nesting level
  • Added support for materialization of the ontology ABox in a custom DB schema

Bug Fixes

  • Fixed issue Check Set creation form
  • Fixed several presentation issues with graphs and charts in Data Quality History Log
  • Fixed several issues with Data Quality SPARQL queries

Monolith 2.0.0

Component Versions

  • Mastro v2.0.0
  • MWS v1.4.4
  • MWS-Server v1.0.4
  • Grapholscape v1.2.1

New Features

  • MAJOR NEW FEATURE: added new Data Quality section in the Ontology menu.
  • Modified structure of the ontology navigation tree (both ontology and mapping pages) to betterreflect hierarchical relationships
  • Triplification of CSV files into RDF format
  • Added support for all OWL 2 QL datatype formats
  • Updated management policy of View Constraints after View modifications
  • Added Hint field for Mapping Parameters
  • Added an option
Previous