Virtuoso Open Source Edition News 2026 News Announcements 2026-05-07 Virtuoso 7.2.17 Released, Open-Source Edition Highlights of this update include: increased stability; fixes to the HTTP(S), DAV and SOAP server; addition of wikibase:mwapi SERVICE handler; fixes to the SPARQL query optimiser and RDF Views; build, compatibility, documentation and packaging improvements. Further bug-fixes and feature enhancements address the following functionality realms: Virtuoso DBMS Engine Added support for JSON canonicalization Added support for IDN lookups on Windows, Linux and macOS Added support for getaddrinfo() and getnameinfo() and poll() Added setting for shutdown, keepalive and listen options on session Added BIFs using TCP socket to unsafe list Removed deprecated network code Fixed issues reported by gcc -fsanitize=address Fixed calculating stack size when building with -fsanitize=address Fixed issue with bidirectional transitivity node Fixed position() and casemode_strcmp() for NULL arguments Fixed pointer type mismatch in conditional expression Fixed issue with ref to table outside of scope Fixed issue with variable used outside of scope Fixed issue with local array pointer used outside of scope Fixed missing array index check Fixed issue comparing signed and unsigned Fixed issue with subq filter and language of literals Fixed issue with bad constant expression in hash fill Fixed issue with aggregate not returning error in UA Fixed check for unsupported insert into view via select Fixed missing check for right outer-join table Fixed missing check for column Fixed GEO constant to use ANY type for result Fixed missing check for owner list Fixed issue when running aggregate on constant Fixed missing IS_TS check Fixed issue recompiling module proc Fixed issue with buffer read after boundary Fixed buffer underflow when col value is empty string Fixed issue with interpolation function reading after boundary Fixed set unparsable numeric to NaN Fixed check for bad shortcut in execution plan Fixed missing check for star in function call Fixed wrong struct size Fixed issue with variable scope Fixed incorrect use of 'box_length' on non-box variables Fixed incorrect object size for hash Fixed issue where thread temporary pool is not released in time Fixed mutex issue with status('l') and async queue on independent branches Fixed missing critical section Fixed return new error message Fixed missing check if column exists Fixed missing check for new prefix Fixed missing check for DFE_FALSE Fixed issue creating expression subquery inside aggregate Fixed issue when cursor is not positioned on update Fixed issue with numeric data type if col is bound Fixed SQL error not returned when sub predicate does not exist Fixed issue with col cast check on vec params Fixed missing test for star Fixed missing test for table exists in drop column Fixed use params instead of possibly truncating password Fixed overflow check before assignment Fixed various compiler warnings Database Administration Service ("Conductor") Fixed potential XSS vulnerabilities Fixed encoding issues of URI and labels Fixed VSP escapes Fixed issue with DAV browser in a root folder Fixed some grammar and spelling mistakes SPARQL Query Processor Added wikibase:mwapi SERVICE handler Fixed issue with CONCAT over RDF string literals containing UTF-8 encoded characters Fixed RDF view single primary key on date is not supported Fixed input check for prefix in RDF views and maps Fixed /sparql UI to make ?help=topic links relative Fixed missing check for MP already in use in SPARQL BIF before MP_START Fixed redundant tightning against non-existing Fixed issue with bad equality on index check Web Server and DAV Fixed TCN order by server-side QS Fixed check for ws_session that may be a WebSocket callback Fixed OPTIONS on .well-known incorrectly producing a response body Fixed issue calculating size of network buffer Faceted Browser Fixed potential XSS vulnerabilities Fixed encoding issues with URIs and labels Fixed VSP escapes Fixed some grammar and spelling mistakes Installation Docker [Virtuoso Open Source Edition Docker Container](https://hub.docker.com/repository/docker/openlink/virtuoso-opensource-7/general) Prebuilt Binary Installers [Linux](https://github.com/openlink/virtuoso-opensource/releases/download/v7.2.17/virtuoso-opensource.x86_64-generic_glibc25-linux-gnu.tar.gz) [macOS](https://github.com/openlink/virtuoso-opensource/releases/download/v7.2.17/Virtuoso_Open_Source_for_macOS.dmg) [Windows](https://github.com/openlink/virtuoso-opensource/releases/download/v7.2.17/Virtuoso_Open_Source_for_Windows.exe) Additional Information [Virtuoso Open Source Edition Github Release](https://github.com/openlink/virtuoso-opensource/releases/tag/v7.2.17) [Virtuoso Open Source Edition Github Repository](https://github.com/openlink/virtuoso-opensource) [Virtuoso Open Source Edition SourceForge Page](https://sourceforge.net/projects/virtuoso/) [Virtuoso Open Source Edition Home Page](http://vos.openlinksw.com/owiki/wiki/VOS) [Virtuoso Open Source Edition Docker Hub Page](https://hub.docker.com/repository/docker/openlink/virtuoso-opensource-7/general) [Virtuoso JDBC, Jena and RDF4j components on Maven Central](https://central.sonatype.com/search?q=com.openlinksw) 2025 News Announcements 2025-10-14 Virtuoso 7.2.16.1 Released, Open-Source Edition Highlights of this update include: increased stability; fixes to the HTTP, DAV and SOAP server; fixes in the SPARQL query optimiser and RDF Views; build, compatibility and packaging improvements. Further bug-fixes and feature enhancements address the following functionality realms: Virtuoso DBMS Engine Added disk space monitor Added event logger with rate limiting on frequently repeated errors Added more informative locking information to status() output Added support for TLS connection timeout for ODBC and HTTP Fixed issue with compiling on Windows Fixed some defaults in virtuoso.ini Fixed check for upper MP limit increment in optimizer Fixed error reporting on non-compatible database/setup Fixed issue comparing dates Fixed issue hanging in temp table Fixed issues with JSON serializer Fixed issues with PAGE_DEBUG Fixed issues with sqlc_hook Fixed issue when usernames are repeated Fixed issue where Virtuoso mistakenly reports that ID:0 (dba) has no permissions Fixed issue with JSON parsing unknown band with many types Fixed issue with max memory pool size greater than 4GB Fixed issue with xsd:time conversion Fixed to not re-enter mutex when resetting iterator Database Administration Service ("Conductor") Fixed issue storing ACME-related keys Fixed issue with the size of the select list for user names Fixed save and restore of connection variables on VAD installation SPARQL Query Processor Added assert to check if the memory pool is busy Fixed RDF Views total count statistics Fixed issue trying to call CXML PL when the VAD package is not installed Fixed issue with table name qualifiers in case mode 2 Fixed issue when processing a query with same-as reasoning enabled that's isn't explicity scoped to a named graph Fixed issue preventing a call to parse when the timeout has already been reached Fixed preservation of numeric and date datatypes in JSON output Fixed handling for unknown casts - no longer referencing datatypes in JSON output Fixed permission check to validate against the DBA group instead of the DBA user Fixed issue affecting queries without indexes Fixed replacement of typed literals with plain literals in JSON output Fixed issue with attempting to perform LDP operations on /sparql endpoints Web Server and DAV Added a global to stop SSE client from receiving more data Added missing HTTP status codes Added support for DAV content callback function Added RDF sink folder validation option Added handling of the DAV property as RSS/Atom feed title Added missing UNKNOWN tag: http://www.w3.org/1999/xhtml:guid to directories/collections Added DAV QUEUE_MAX_THREADS registry to set upper limit Added feed-type files in OPML output Fixed issues with broken SSE implementations Fixed issues running DAV RSS/Atom/OPML feeds behind a proxy Fixed RSS feed version Fixed feed titles Fixed exclusion of hidden files and folders Fixed issues with Atom and OPML publication Fixed issue resolving user names Fixed encoding issues Fixed issue with encoding   Fixed issues with LDP Fixed print DAV IDs in debug mode Faceted Browser Added option to prevent bots from crawling /fct/rdfdesc/usage.vsp Added config UI setting to change the maximum amount of facets (default 20) Improved performance when using same-as for automatic visual replacement of IRIs with labels Changed output:valmode from "AUTO" to "LONG" Fixed issue with CXML link at the bottom of the page Fixed issue with zero triples on secondary storage Docker Virtuoso Open Source Edition Docker Container Prebuilt Binary Installers Linux macOS Windows 2025-05-21 Virtuoso 7.2.15 Released, Open-Source Edition Highlights of this update include: increased stability; fixes to the HTTP and SOAP server; fixes in the SPARQL query optimiser and RDF Views; build, compatibility and packaging improvements. Further bug-fixes and feature enhancements address the following functionality realms: Virtuoso DBMS Engine Fixed issues reported by gcc 15 compiler Fixed compiler warnings on misleading indentation Fixed compiler warnings for empty body Fixed prototypes and declarations for functions without arguments Fixed issue in SQLPrepare and SQLPrepareW Fixed issue with _cvt(vector(219), '1') Fixed check for OpenSSL 3.5.0 Database Administration Service ("Conductor") Added support for ACME multi domain name orders Added ZeroSSL options to ACME UI Added ACME EAB support Fixed label to RDF Views Fixed issue with DAV RDF docs redirect option settings Fixed issues with RDFview Fixed issue with too many users in dropdown list Fixed clear graph before RML import in Conductor SPARQL Query Processor Added support for RDF4j version 5.x Fixed issues with RDFviews Fixed maximum length of a long url to 64K Fixed issue that stopped engine from performing graph-scoped rules check Fixed when qlog is enabled, print rset should save prot table globals Fixed issue with sparql insert <s> <p> 'o' Fixed issue with subproperties in inference result Fixed issue with filter not working on inference result Fixed crash in optimiser when pred is optimised to always be true Fixed when inserting into RDF_DATATYPE or RDF_LANGUAGE; lock the row exclusive Fixed missing check for default LIMIT in SPARQL query Web Server and DAV Fixed issue with grants in web services Faceted Browser Added option to prevent bots from crawling /describe endpoint Fixed styling of bot prevention dialog Fixed if get:* and no permissions set, return 401 to redirect to login Fixed if account does not have read/view permission return empty page as for 404 R2RML Fixed issue with empty tgt_graph GraphQL Fixed issue with rdfviews and GraphQL Fixed missing argument to _connect function in plugin Installation Docker Virtuoso Open Source Edition Docker Container Prebuilt Binary Installers Linux macOS (Windows pending) 2024 News Announcements 2024-11-11 Virtuoso 7.2.14 Released, Open-Source Edition Highlights of this update include: increased stability; fixes for CSV, JSON and JSON-LD parsing; small enhancements to the HTTP server; fixes in the SPARQL query processor and UI. Virtuoso DBMS Engine Added new MaxTempDBPages setting to virtuoso.ini Fixed issue when out of disk space on temp db Fixed int32 overflow when dbs_file_length is unknown Fixed memory leak in X509 cert chain Fixed compiler errors from -Werror=logical-not-parentheses Fixed compiler errors from -Werror=incompatible-pointer-types Fixed compiler errors from -Werror=multistatement-macros Fixed issue with user defined types (UDT) Fixed issue when there are no parts to split Fixed issue with GROUP BY/ORDER BY on LEFT OUTER JOIN Fixed issue calling concat(wide, utf8) Fixed issue with length calculation in rdf_encode_for_uri() Database Administration Service ("Conductor") Fixed issue when filename starts with underscore Fixed typo in generation of Transient view urls Fixed issue with RSS menu not working on Firefox Fixed issue with SN DETs errors Web Server and DAV Added support to handle websocket 101 connection upgrade in http_client Added flag to see if connection session is server or client Added WSOCK.DBA.WEBSOCKET_CONNECT() for client operations Added PUT/DELETE HTTP methods Added support for custom %T and %D HTTP log format Added flag to encode if API used as websocket client Fixed issue with "Content-Encoding: gzip" (fixes #1308) Fixed issue DAV escape; href should escape apos Fixed order of checking SOAP options and parameters Fixed allow soap_boolean to accept null for nullable arguments Fixed check which options are handled by endpoint Fixed check defines on rest method for additional http methods allowed Fixed issue with JSON registered REST services Fixed memory leak and error when service sets error status code Fixed missing SOAP procedure should return 404 ‘Not Found' Faceted Browser Added support for WKT rendition Changed DOCTYPE from XHTML to HTML5 Removed <base> tag Removed deprecated charset on stylesheet links Removed link to W3C XHTML validator Removed support for AddThis Moved javascript to the end of the page Fixed recommendations from Lighthouse accessibility check Fixed issue with page selector on mobile devices Fixed make iframe content resizable R2RML Fixed issue with {col} GraphQL Fixed issue with generated names longer than 100 characters Docker Virtuoso Open Source Edition Docker Container 2024-02-13 Virtuoso 7.2.12 Released, Open-Source Edition Highlights of this update include: increased stability; fixes for CSV, JSON and JSON-LD parsing; small enhancements to the HTTP server; fixes in the SPARQL query processor and UI. Virtuoso DBMS Engine Added JSON-LD parser mode for handling blank nodes Added serialization support for missing datatypes in obj2json Added statistics and setting to limit mem pool for chash Added support for outputting XML and varbinary data in JSON Updated CSV functionality Added support for fetching attributes and attributes_info on user defined types Added create user .. with password and identified by SQL syntax Added uptime and memory usage statistics to status() output Fixed many edge-cases in SQL compiler Fixed issue getting lock information for status() Fixed issue mixing vectored and non vectored ops (fixes #1184) Fixed issue on cube/rollup with constant in select list (fixes #1195, #1197) Fixed issue with TOP not working when DISTINCT is used (fixes #1158) Fixed issue with freetext index; missing check if term is mergable Fixed issue with function inside control expression Fixed issues with unix timestamp Fixed obj2json and obj2xml should be public functions Fixed remove duplicate keys in oby/gby (fixes #1205) Fixed sprintf format for windows (fixes #1203) SPARQL Query Processor Added support for GRAPH decorations in TriG (fixes #1169) Fixed issue in ontology generation Fixed issue with drop quad map graph Fixed issue with restriction on number of deleted triples (fixes #1164) Updated turtle/n-triples media type per spec (fixes #1187) Fixed issue with very long sparql queries Fixed issues with Default Graph IRI from table SYS_SPARQL_HOSTS (fixes #1086) Fixed virtrdf:Geometry should be replaced with wktLiteral (fixes #806) Database Administration Service ("Conductor") Added support for showing/hiding password in login dialog Added backup before rdf view creation Added auto-commit mode flag Fixed CSV import in case of abnormal format input Fixed issue refreshing status variables Fixed mismatch of a URL parameter and control Web Server and DAV Added support for Azure Storage Account as a DET mounting option Added support to avoid redundant check for 401 handlers Added HTTP CORS pattern support Added support for Access-Control-Allow-Methods different than Allow, for AJAX CORs Added security_realm to access realm from VD Added support for ping/pong and binary frames in websockets Fixed FS directory browsing does not need SQL/VSP user account Fixed HTTP 101/204/304 responses MUST not return content Fixed LDP sparql queries delete/insert should search physical graph only Fixed check DET HTTP status code Fixed clear http method at session cleanup Fixed do not use gzip if no content is allowed Fixed http log records partial request over 4k Fixed issue checking is_https on websocket Fixed issue getting dtp in rdf box case Fixed issue when response is chunked/gzip by app Fixed issue with DAV_LINK double escape UTF-8 Fixed issue with bad Accept header Fixed issue with double free Fixed issue with updating permissions on wiki Fixed issues with encoding of DAV URLs Fixed websocket error message indicating what frame type is Fixed websocket framing on text messages Added MIME type text/markdown for .md Faceted Browser Fixed grants must be added to SPARQL_SELECT role Removed rdf_resolve_labels_s case R2RML Added quap map iri parameter Fixed rr:template by default is IRI unless column, dt or lang are given Fixed complete table name before quoting Fixed case to ucase for case insensitive lookup Fixed issue with column CaSeMoDe GraphQL Fixed issue when field type cannot be detected Docker Virtuoso Open Source Edition Docker Container Prebuilt Binary Installers Linux macOS Windows 2023 News Announcements 2023-06-07 Virtuoso 7.2.10 Released, Open-Source Edition Highlights of this update include increased stability; support for inserting N-Quads and JSON-LD data using either the SPARQL Graph CRUD protocol or the Conductor interface; better compatibility with third-party SPARQL endpoints for SERVICE commands; support for duration and interval datatypes in the SPARQL engine. DBMS Engine Added checkpoint to end of online backup Added support for IF EXISTS and IF NOT EXISTS in ALTER TABLE Added support for DROP TYPE … IF EXISTS Added support for bulkloading .jsonld and .jsonld.gz files Added new testsuite entries for recent fixes Fixed missing escape of identifiers in log replay Fixed issue if original dfe not there; see error in optimizer Fixed issue with transaction mutex inside checkpoint Fixed obj2json output should be canonical Fixed issue in short-circuit evaluation Fixed compare only up to cha key parts Fixed missing arguments in table def Fixed expand column list during parsing Fixed missing check for max number of key parts Fixed missing reuse check for dv bin Fixed 64bit arithmetic exception Fixed 64bit arithmetic overflow Fixed do not change col_dtp if already set before Fixed save/restore temporary refs Fixed issue using case/when inside arg simple functions like min/max/count fixes #1128) Fixed handling of aliases in output Fixed cannot add non-null column to existing data Fixed check number of values vs cols when inserting into view Fixed missing check for table in positioned delete Fixed non-terminal in union branch is not supported Fixed missing check if column exists Fixed missing check for non-terminals in WITH DATA Fixed wrap unions etc. if non-select for EXISTS ( subquery ) Fixed first argument of CONTAINS() cannot be star Fixed missing variable declaration Fixed small memory leaks SPARQL Query Processor Backported duration and interval fixes to v7 engine Added N-QUADS support for SPARQL CRUD using REST Added option to limit number of triples in a SPARQL CONSTRUCT query Fixed issue deleting strings with language tag Fixed IRI patterns for SPARQL LOAD SERVICE Fixed issues with Turtle 1.1 parser Fixed rdf_regex is set to work with UTF-8 by default Fixed suppress errors on loading even for wktLiterals, just like dates/integer types etc. Fixed small SPARQL UI issues Native Faceted Browsing Engine Added support for showing custom datatypes Fixed issues truncating lists using ‘>>more>>' Fixed show language when available Fixed issue generating labels in urilbl ac_init_db Fixed file permissions in VAD packages Database Administration Service ("Conductor") Added support for uploading N-QUADS and JSON_LD data via Conductor Fixed file permissions in VAD package Web Server and DAV Added function to return the current HTTP status code 20x/30x/40x etc. or NULL if not set Fixed HTTPS accept timeout Fixed issue with client_protocol mode Fixed issue with TCN Fixed issues with SOAP endpoint JDBC Provider Added small optimization to VirtuosoInputStream Docker Virtuoso Open Source Edition Docker Container Prebuilt Binary Installers Linux macOS Windows 2023-02-28 Virtuoso 7.2.9 Released, Open-Source Edition Virtuoso 7.2.9 introduces a new JSON-LD parser, additional GraphQL enhancements for mutations and subscriptions and the graphql-ws protocol, as documented in our recently published GraphQL Introduction and GraphQL Usage Guide posts; the engine gains enhancements to the existing AnyTime Query functionality and support for "soft" checkpoints. Lots of other minor fixes are included too. Virtuoso Engine Added new JSON-LD parser Added IRI validation bif: functions Added GIT SHA1 signature to status and log output Added current value of backup prefix to status report Added option for soft CHECKPOINT, i.e., only perform a CHECKPOINT when the server is in idle state Backported PL debugger enhancements Fixed overflow in msec-based timestamps such as those used for AnyTime queries Fixed PL debugger to produce better debug output for DateTime types Fixed issue with NULL in Aggregate groups Fixed issue comparing NUMERIC and DOUBLE Fixed issue comparing timezoneless and timezoned dates in columnstore index Fixed issue with GROUP BY on FLOAT values Fixed issue with revoke all privileges from xx Fixed issues running testsuite Fixed issues packaging source for distribution SPARQL Added default SPARQL namespace prefixes for ActivityStreams, GoodRelations, OA, and PROV vocabularies Added validation to default-graph parameter Added error logging for bad IRIs Added multi-threaded NQuads dump variant for RDF Quad Store via RDF DUMP_NQUADS_MT() Fixed issue trying to make IRI from incompatible types Fixed issue with SPARQL LOAD into an existing graph Fixed issue with casting RDF datetime to a string Fixed issue with explicit datatype of literal class; must cast value to a string Fixed issue with label insert when using with_delete Fixed issue with literals that have both LANG & TYPE Fixed issue with load get:accept pragma Fixed issue with permissions; users with SPARQL_SELECT role can now use REST interface Fixed issue with serialization when datatype is missing, or lang is an empty string Fixed issue with unnamed result from view Fixed DISTINCT query compilation failure in certain cases where SELECT lists contain a reference to a parameter Fixed --MM-DD is a valid gMonthYear Updated Bootstrap to v5.2.3 Updated Bootstrap Icons to v1.10.3 Web Server and DAV Added support for Websockets protocol Added JSON-LD support to LDP protocol implementation Added correct HTTP(S) protocol to %{WSBaseUrl} variable Added support for https connection timeout Added support for internal CA list in https client Fixed http keep_session and related functions require NN 64-bit id Fixed issue with .well-known/host-meta & co for application/jrd+json output Fixed issue with Accept/profile; should follow RFC media type field rules Fixed issue with SOCKS4 and SOCKS5 proxy handler Fixed issue when socket is closed prematurely Fixed issue with LDP sparql queries and rdf views Fixed missing JSON-LD in RDF-related DETs Faceted Browser Fixed format of INTEGER and FLOAT fields Fixed issue calculating Unicode labels Fixed issue calculating labels for blank nodes Fixed issue with Unicode text in Fixed use schema:description as alt for rdfs:comment Updated JQuery to v3.6.3 Updated JQuery UI to v1.13.2 Conductor Added Automatic Certificate Management Environment (ACME) client protocol Fixed issue in VAD installer when composing the VAD package file path Fixed confirmation prompt behavior prior to removing user encryption keys from Virtuoso's native key store R2RML Fixed issue with rr:template: default is IRI unless column, datatype, or lang are given GraphQL Added graphql-ws protocol Added GraphQL subscriptions support Added implementation-specific directives for SQL/SPARQL optimization hints Added transitivity for smarter and more concise GraphQL-to-RDF-Ontology mapping definitions Added debug options to endpoint Improved mutations support Improved SDL-type schema import Improved error reporting on conflicting schema & mapping/annotation definitions Cleaned up introspection schema 2022 News Announcements 2022-10-19 Virtuoso 7.2.8 Released, Open-Source Edition New support for GraphQL, alongside other enhancements and optimizations particularly to the SPARQL AnyTime Query enhancement, adding new SQL DDL constructs, improvements in the Faceted Browser and JDBC and Jena support, improved webserver CORS management in the Conductor and various fixes. Virtuoso Engine Added support for IF EXISTS and IF NOT EXISTS in SQL DDL Added more EXPORTS for plugins Added current value of backup prefix to status report Added support for changing the request timeout on http_client connections Added support for internal x509 CA list Added support for storing DH param in database Added handle validation to ODBC calls Updated CORS header handling Fixed issue with 64-bit indicators in sys_stat Fixed http keep_session and related functions that require 64-bit ID Fixed use separate table to keep HTTP(S) listeners settings Fixed issue with OpenSSL 3.0.x Fixed issue with bad stats pending RPC counter Fixed issues with HTTP renegotiate Fixed compiler warnings and other small cleanups Updated Windows build SPARQL Added GraphQL to SPARQL bridge Added support for HTTP status code 206 to signal partial result Optimized selecting distinct graphs Upgraded SPARQL endpoint to latest version of bootstrap Fixed system crash on 'Generate SPARQL compilation report" (fixes #1068) Fixed crash on vec temp res w/ nulls (fixes #1065) Fixes issue printing datetime boxes Fixed issue with unnamed result col from RDF view Fixed check for non-existing IRI ID Fixed grants for RDF views Fixed issue returning the reserved 0x2000 IRI ID Fixed anonymous sponging is not allowed Fixed timeout validation Fixed error report on unknown help topic Removed cast to string which limited output to 10Mb JDBC, Jena and RDF4j Optimized finalizers Fixed IRI escape Fixed issue with inserting Literal with Language Fixed issue with query param binding Fixed parameter binding issues in RDF4J provider Fixed issues with query param binding Faceted Browser Added support to try loading external images w/ referer policy Added support to show users location on map Fixed rounding lat/long to 4 digits to get true distinction on map Fixed JSON result from FCT service Fixed handling of inline images Fixed IRI search requires 64-bit prefix Fixed issue when an empty IRI is requested Fixed URL rewrite rules Fixed pages should not call batch FT procedures Fixed small PL warnings Conductor Added support for CORS allow headers in Conductor UI Added support for local CA renewal Added support for multi-domain certificates in HTTPS listener UI Fixed HTTPS endpoints Fixed disable VAD re-install if no such file exists Fixed https setup was missing CA x509 verify list option Fixed missing delete from listeners table Fixed update of existing listener did not write changes to table Fixed use common API for adding new listener DAV Fixed issue with delete on LDP resource Fixed CORS header handling 2022-05-18 Virtuoso 7.2.7 Released, Open-Source Edition The Virtuoso engine has been enhanced to use 64-bit prefix IDs in RDF_IRI which allows for very large databases such as Uniprot, which currently contains over 90 billion triples, to be hosted using the Virtuoso Open Source engine.While new databases automatically make use of this important enhancement, existing databases will need to be upgraded. Please read our instructions to upgrade from 7.2.x to 7.2.7. Virtuoso Engine Added optimizations for clearing graph Added optimizations for deleting triples Added support for CONNECT to allow http proxy like squid to tunnel https:// requests Added support for OpenSSL 3.0.x Added support for cast epoch time back to date/datetime Added support for handling X-Forwarded-Proto header from proxy Added support to fine tune size of memory pool used by SPARQL constructs Added support to populate labels in insert for FCT Added optional digest name to aes key Added short name date BIF functions Added xenc digest and xenc_hmac_digest BIF functions Added unix_timestamp() BIF function Added support for handling HTTP status 307 and 308 in client Fixed Host header should include non-standard port. Fixed SQLConnect handling of empty strings in szDSN and szUID Fixed SSL_renegotiate for OpenSSL 1.1.x Fixed backup_online syntax Fixed calculations from TZ in minutes to +HHMM format Fixed check for https behind proxy for dynamic local Fixed crypto functions error codes Fixed issue calling external proxy with https address Fixed issue executing vec exec expression in WHERE clause Fixed issue generating triples from rdf view to physical store with rdfs:label property Fixed issue sorting NaN values in colstore Fixed issue with X509 CSR generation Fixed issue with backup restore and DDL from plugins Fixed issue with dsa and rsa keys when no cert is attached Fixed issue with registering tables in plugin Fixed issues with x509 extensions Fixed memory leak in colsearch Fixed missing index upgrading older databases Fixed possible box corruption printing a very long literals box Fixed return HTTP 503 even if MaintenancePage cannot be found Fixed serialize of AES IV Fixed subject should be written in UTF8 format Fixed trace to log warnings as WARN 0 instead of ERRS_0 Fixed when running as windows service, stderr is an invalid handle Removed redundant checkpoints when creating new database Small cleanups SPARQL Added optimizations for clearing graph Added optimizations for deleting triples Added initial list of languages to decrease risk of deadlocks Added SPARQL SELECT_FED role Added RDF DUMP_GRAPH and RDF_DUMP_NQUADS as built-in stored procedures Added missing JSON support function to format output of ASK query Added support to fine tune size of memory pool used by SPARQL constructs Fixed /sparql-auth requests should not be redirect to /sparql Fixed RDF loading re. transaction modes. Fixed SPARQL endpoint description document Fixed functions for making rdf literals must return dc of boxes Fixed incorrect handling of UTF8 characters on SPARQL HTTP endpoint Fixed issue converting RDF metadata from older databases Fixed issue with ANYTIME query timeout values Fixed issue with JSON-LD and JSON-LD (with context) mime types Fixed issue with SPARQL ASK in embedded PL Fixed issue with SPARQL variables containing unicode characters Fixed issue with incomplete RDF box Fixed old proxy and redirect handling in RDF HTTP_URL_GET Fixed reporting when new graph is created Fixed use a standard namespace URI for special bif: and sql: SPARQL Built-in functions Removed redundant checkpoints when creating new database Small cleanups JDBC, Jena and RDF4j Added optimizations for bulk deleting triples Added support for all JDBC Transaction Isolation levels Added new class VirtStreamRDF for support stream uploading to Virtuoso Fixed issue with closing/leaking JDBC statements Fixed issue with exceptions Fixed issue using batchSize Fixed SQLException handler for better conversion to JenaException Small cleanups Faceted Browser Added check if automated label fill is enabled Added some nofollow and noindex hints for bots Added support to use built-in rdf_label and don't cache the object value twice Fixed UTF-8 encoding issues Fixed XSS issue Fixed bad url encoding Fixed caching query via plink Fixed decoding of percent-encoded URLs when used as labels Fixed detection of label language Fixed do not make default http links Fixed do not remove user defined graphs Fixed efficiency of label language lookup Fixed endpoint creation Fixed issue with bnodes Fixed issue with sid Fixed issue with sponge link in header Fixed make ifps secure Fixed missing graph group Fixed only make link when protocol scheme is safe (http, https, ftp) Fixed order labels by accept-language Fixed return 404 if usage.vsp is called with bad url Fixed several issues in About: block Fixed usage.vsp for safe links Fixed whitespace in Link: header Updated S ranking algorithm Conductor Added faster check for version of installed VAD package Added drop statement and better reporting (ala-isql) Added fingerprint info for system root key Added git hash to the build info Added warning to modifying registry by hand Fixed dependency check on ODS Fixed ensure DB qualifier for conductor Fixed fully qualified view name and use DB qual for all conductor sql Fixed import of user's key Fixed installation of VADs can only be performed by dba account Fixed issue with encoding Fixed issue with non-dba user login causing inf redirects Fixed missing check for ODS Briefcase Fixed LDP metadata Fixed the the rr:graph was not taken from RML doc - UI changes Fixed UI form related to importing RDF files Fixed UI form related to RDF push subscriptions Fixed url encoding DAV Added helper function for fixing DAV COL FULL_PATH Fixed encoding-type for text/* files Fixed handling of content type Fixed issue removing properties Fixed LDP metadata Fixed unhandled error when COL FULL_PATH is NULL Removed redundand join with all graphs GEO Added GEOS-isValid BIF R2RML Fixed handling tableName attribute as per spec Fixed rr:graph was not taken from RML doc 2020 News Announcements 2020-06-22 Virtuoso 7.2.6 Released, Open-Source Edition Virtuoso Engine Added support for macOS 11 Big Sur on Intel and Apple Silicon Added support for OpenSSL 1.1.1 Added support for Strict-Transport-Security header Added check to make sure RPNG is properly seeded Added support for Forward Secrecy using DH and ECDH Added support for rwlock in dict Added support for latest iODBC DM Unicode fixes Added support for unfoldable internal functions in execution plan Fixed default cipher list Fixed set default protocol to TLSv1.2 or newer when possible Fixed issue setting cipher list on https ctx Fixed issues ordering NaN values Fixed issue with atomic transactions Fixed issue reading large blobs Fixed small memory leaks Fixed small portability issues Fixed dependency on netstat during building and testing SPARQL Added initial support for GeoSPARQL functions Added new bootstrap 4 based /sparql (X)HTML endpoint Added support for Content-Disposition header hint for browsers Added flag to control inference optimizations by G Added support for property paths in federated SPARQL queries Fixed namespace check for bif: and sql: and issues with system functions Fixed issue with JSON-LD and JSON-LD (with context) mime types Fixed output formats to use UTF-8 and HTML5 or XHTML5 Fixed splitting on '/#:' produces better results for unnamed prefixes JDBC Driver Added support for JDBC 4.3 Moved SSL connectivity into regular jdbc drivers Fixed issue with closing stmt handle in PreparedStatement Fixed JDBC RPC login options Fixed issue with POINTZ Fixed constructions using new Long/Byte/Short/Character Fixed issue with finalizers Fixed issue running jdbc testsuite Removed support for deprecated versions of JDKs 1.1, 1.2, 1.3, 1.4 and 1.5 Faceted Browser Added FCT Configuration page in Conductor Added specific Map view options using dedicated graph Added configuration option to control browser cache Added small inference rule for link-out icons Added support for schema.org latitude/longitude in factet inference Added new setting to treat narrow string boxes as UTF-8 encoded Added page to show state of Entity Data generation Added preview for embedded content Added statistics about users of IRI as subject or object in graph to Metadata page Added support for IRIs from RDFviews Fixed number of i18n issues with URL encodings in /describe Fixed issues with long values such as geo shapes Fixed issue with pager in /describe Fixed issue with page refresh when Show x rows selector changes Fixed issues with https in /describe content negotiation in Alternates and Location headers Fixed issues with /describe page behind a (ssl) proxy Fixed reporting proper datatype of object rather than box type Conductor Added UI optimizations Added option to view CalDAV and CardDAV resources Disabled triggers generation for RDF view referencing SQL views Fixed issue creating LDP collection data Fixed issue creating user's IRIs Fixed issue in RDF console Fixed issues editing soap services Fixed login when conductor is behind a proxy Fixed small build issues Moved binsrc/yacutia binsrc/conductor DAV Added new optimizations for WebDAV Added support to move lost collections to '/DAV/.lost+found/' collection Added triggers to check the collection hierarchy before updates Added performance improvements for some often used functions Added additional checks for some API calls Updated triggers and procedures to use the new column COL FULL_PATH Fixed issue in conductor showing folder content after rename. Fixed issue with ID of DET collections and optimize DAV SEARCH_ID Fixed issues reported by the Litmus DAV testsuite for COPY and MOVE Fixed issues with LDP, PROPFIND, PATCH Fixed issues with HostFs DET actions Fixed issue with SSL HTTP authentication Fixed issue with LDP POST command Fixed LDP folder content return (by GET) GEO Added new plugins proj4, geos and shapefileio for GeoSPARQL Added check if proj data has been loaded Fixed issue in error handling Fixed handling of GEO NULL_SHAPE Fixed bif:st_intersects Fixed issue with empty shape Fixed handling empty and invalid geometries Fixed portability issues ODS Fixed issue login into ODS Fixed OAUTH token R2RML Fixed support for rr:datatype and rr:language 2018 News Announcements 2018-08-15 - Virtuoso 7.2.5.1 Released, Open Source Edition New and updated product features as of August 15, 2018, v7.2.5.1, include: Virtuoso Engine Added support for application/n-triples mime type Added support for modifying size of SQL compiler cache Added better version checking for OpenSSL to configure Added support for timeout on socket connect Added new debug code to audit SPARQL/SQL errors Added new code for MALLOC_DEBUG Added support for LDAPS Added support for TLSext Server Name Indication to http_client Remove TLSv1 protocol from default protocol list Fixed initial DB.DBA.RDF_DEFAULT_USER_PERMS_SET for user 'nobody' so /sparql endpoint can query all graphs without any performance penalty Fixed scheduler errors should be emailed every time the event fails Fixed issue replaying table rename due to dereference of NULL result Fixed issue returning correct user after TLS login Fixed issues with HTTP PATCH command changing resource permissions Fixed check for infinite loop in SQL compiler Fixed XMLA service to select TIMESTAMP, XML_ENTITY, IRI_ID columns Fixed issue with shcompo cache size Fixed memory leaks Fixed portability issues and compiler warnings Fixed issues building Windows binaries using VS2017 SPARQL Added new option 'Explain' to /sparql endpoint Added new help page for RDF views to /sparql endpoint Fixed initial fill of language and datatype caches after server restart Fixed SPARQL DELETE for quads which failed on booleans and other inlined RDF boxes Fixed SPARQL 1.1 SUBSTR() Fixed issues with PATCH not returning an error after a SPARQL error Fixed SPARQL_CONSTRUCT_ACC could get fixed-value variables referred to in 'stats' argument Fixed Turtle 1.1 permits multiple semicolons without predicate-object pairs between them Fixed handling for timezone date values from SPARQL queries Fixed readability and indentation of EXPLAIN output Fixed issue encoding urls in SPARQL/FED Fixed st_contains and other geo predicates Fixed issue with cast numeric to bool Fixed issues with Turtle and JSON;LD_CTX Jena & Sesame Added method to Sesame provider to query across all RDF graphs in Quad Store Added setIsolationLevel/getIsolationLevel to VirtDataset Update using of DB proc rdf_insert_triple_c() Fixed baseURI parameter not handled properly by RDF4J provider Fixed issue with Jena object values that are URLs Fixed providers Jena/RDF4J setNamespaces/getNamespaces in global cache instead of connection cache Fixed xsd:boolean literals returned as xsd:string literals Fixed VirtDataset class for properly handle transaction JDBC Driver Added support for concurrency mode CONCUR_VALUES Added support for SSL truststore Fixed binding/conversion of Unicode characters Fixed handling of SPARQL negative dates Fixed Sql Workbench/J CSV file import in Virtuoso fails on empty numeric fields Fixed exception handling ADO.NET Fixed support for SPARQL Negative Dates, Concurrency modes, Connection option "Log_enable" Fixed compilation warnings and errors on Mono and .NET versions on Windows Fixed error in CompareTo() methods Fixed issue ADO.NET for DateTime types and TZ Faceted Browser Fixed incorrect UTF-8 character IRI handling in Namespaces Conductor Added option to delete locked files by admin users Added support for JSON and JSON-LD in rewrite rules for SPARQL query output Added support for importing PEM and DER formats Updated Conductor UI to support new redirection options Moved 'OAuth Service Binding' to 'Web Services' Optimized handling of vspx session expiration Fixed issue creating new user accounts with conductor using user with dba and administrator roles Fixed a missing CA chain does not mean .p12 file is bad Fixed issue with 'Next' time in Scheduler Fixed selection of category in the database browser page Fixed rewrite rule export format Fixed CSV importer Fixed crawler functions to work with HTTPS sources Fixed issues with Rewrite Rule export function Fixed issues in R2RML DAV Added item creator as a field in the properties when not empty Added overwrite flag for DynaRes creation Optimized calls to some APIs using user/password properties Fixed issues related to the LITMUS testsuite for DAV Fixed issues with Mac OS X WebDAV mapping Fixed issues with WebDAV browser and folder selection Fixed issue deleting Smart folders Fixed issue with permissions for PUT command Fixed bug with PROPFIND and bad XML (without correct namespace) as body Fixed issue with DAV authentication Fixed issues with set/update LDP related data Fixed response code to 204 for PATCH command Fixed return 406 if no matching Accept header found Fixed issue retrieving user's profile data with RDFData DET DBpedia Added LODmilla browser Download Open Source or Commercial now! 2016 News Announcements 2016-04-24 - Virtuoso 7.2.4 Released, Open Source and Commercial Editions New and updated product features as of April 25, 2016, v7.2.4, include: Virtuoso Engine Added "obvious" index choice Added new bif http_redirect_from for getting initial path from internal redirect Fixed ODBC issue with SQL_C_LONG bound to an int32 instead of an int64/long Fixed hang as page was not left if geo_pred signal an error Fixed check if geo_pred gets right arguments to prevent crash Fixed portability issue on Windows Fixed issue with cost based optimizer for isiri_id Fixed no change from chash to pageable if enable_chash_gb = 2 Disabled AIO for this release of Virtuoso SPARQL Added missing default privilege grants to SPARQL_UPDATE role account Added optimizations covering property paths with complementary and/or repeating paths Added min/max for IRI ID Added new HTML output option to DESCRIBE and CONSTRUCT queries that uses <script>...</script> to include RDF-based Structured Data Islands Added support for CVS in RFC4180 format Added support for skipping UTF-8 BOM marks on Turtle and JSON lexers Added support for service invocation of bigdata running in triples and introducing language exceptions Added new debug option to /sparql page Fixed issue with ':' in blank node labels Fixed NQuads do not permit %NN in blank node labels Fixed issues with property paths like <p>|!<p> Fixed issue when SERVICE clause does not return real vars, only ?stubvarXX Fixed issue with unused default graph Fixed issue with SPARQL SELECT COUNT(DISTINCT *) { ... } Fixed SPARQL-BI syntax for HAVING Fixed issue with duplicate triples in microdata Fixed handling of strings containing serialized XML Fixed issue with boolean in SPARQL/XML results Jena & Sesame Added Sesame 4 provider Added Jena 3 provider Added support for Sesame 2.8.x Added Jena example for use of Inference and Ontology Model with Jena provider Fixed Node2Str for Literals for more properly handle Literals with Lang Fixed issue with openrdf-workbench application Fixed Testsuites Fixed Sesame 2 test connection string Fixed PreparedStatement with parameter bindings for SPARQL queries with parameters instead of substituting parameter values in query Updated testsuites JDBC Driver Added support for building JDK 1.8 and JDBC 4.2 Added support for Connection.setCatalog() Fixed conversion of broken Unicode strings Fixed variable initialization Fixed VirtuosoDataSource methods setLog_Enable() and getLog_Enable() to properly work with Spring framework Fixed JDBC driver to remove finalizers Faceted Browser Added link-out icons Added more link-out relations Fixed content negotiation Fixed default output is XML Fixed facet search service Fixed issue with CSS Fixed labels Fixed missing alias in facet service Fixed missing grant Fixed og:image added to list Fixed possible change of displayed resources post-sponge Fixed prefixes Fixed space encoding in IRI Fixed splitting UTF-8 strings can produce bad encoded strings Fixed support for images Fixed svc search to keep address Conductor Added validation for sequence number value Added start and expiration dates of CA Added new option to disable scheduled job Synced Conductor WebDAV implementation with briefcase Fixed set specific sponger pragmas on text/html Fixed checkpoint after RDF view generation Fixed use of transactional mode Fixed issue with LDAP server Fixed labels DAV Small optimization for update triggers of WS.WS.SYS_DAV_RES Fixed set specific sponger pragmas on text/html Fixed issue uploading Turtle files containing special symbols DBpedia Implemented new fluid skin design for DBpedia /page based on the Bootstrap Framework Updated DBpedia VAD for UTF-8 based URIs for International Chapters Updated prefixes Added references to license Fixed show language with label, abstract, comment Fixed the http://mementoarchive.lanl.gov link Download Open Source or Commercial now! 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