Issues

• 'NaN'^^xsd:double = 'NaN'^^xsd:float compares true: NaN equals NaN across the float/double type boundary

  bug
  apache/jena#4301 · Filter by author ting668 opened on Oct 7, 2026

• String </> (and ORDER BY/MIN/MAX) compare by UTF-16 code units instead of Unicode code points

  bug
  apache/jena#4300 · Filter by author ting668 opened on Oct 7, 2026

• xsd:date equality normalizes to the UTC calendar day, contradicting date subtraction: a = b is true while a - b is PT1H

  bug
  apache/jena#4299 · Filter by author ting668 opened on Oct 7, 2026

• xsd:integer(' 1 ') with leading/trailing whitespace errors, contradicting isNumeric, arithmetic and the datatype's own validator

  bug
  apache/jena#4298 · Filter by author ting668 opened on Oct 7, 2026

• +0 = -0 compares false and -0 < +0 compares true for xsd:float/xsd:double

  bug
  apache/jena#4297 · Filter by author ting668 opened on Oct 7, 2026

• The EBV of a lexically invalid numeric/boolean literal raises an error instead of false, so FILTER(!(...)) drops every row

  bug
  apache/jena#4296 · Filter by author ting668 opened on Oct 7, 2026

• FILTER(sameTerm(?x, literal)) returns extra rows and rewrites ?x when the optFilterEquality optimizer is on

  bugmore-info-needed
  apache/jena#4295 · Filter by author ting668 opened on Oct 7, 2026
  3

• GSP DELETE on a missing graph returns 404 but also creates an empty graph

  bug
  apache/jena#4292 · Filter by author chadsgilbert opened on Oct 6, 2026
  

• Add GeoSPARQL 1.1 geof:transform function

  task
  apache/jena#4278 · Filter by author edmondchuc opened on Sep 30, 2026

• DISTINCT with ORDER BY on a non-injective expression is rewritten to REDUCED and leaks duplicate rows

  bugconfirmed
  apache/jena#4242 · Filter by author ting668 opened on Sep 20, 2026
  1

• GROUP_CONCAT(DISTINCT ...) over an empty group returns an unbound value instead of the empty string

  bugconfirmed
  apache/jena#4240 · Filter by author ting668 opened on Sep 20, 2026
  1

• xsd:boolean(...) cast of "NaN"^^xsd:double returns true

  bugconfirmed
  apache/jena#4239 · Filter by author ting668 opened on Sep 20, 2026
  1

• Duration equality accepts "PT0.5S"^^xsd:dayTimeDuration as equal to "P0M"^^xsd:yearMonthDuration

  bugconfirmed
  apache/jena#4237 · Filter by author ting668 opened on Sep 20, 2026
  3

• Duration equality rejects "P0Y1D"^^xsd:duration as unequal to "P1D"^^xsd:dayTimeDuration

  bug
  apache/jena#4236 · Filter by author ting668 opened on Sep 20, 2026

• FILTER(?v > 1e0) accepts "NaN"^^xsd:double (numeric > comparison with NaN returns true)

  bugconfirmed
  apache/jena#4235 · Filter by author ting668 opened on Sep 20, 2026
  1

• JSON-LD: a malformed IRI is silently dropped — checking/strict and the ErrorHandler never sees it

  bugJSON-LD
  apache/jena#4175 · Filter by author imsdu opened on Aug 28, 2026
  6

• Inconsistent Turtle writer

  apache/jena#4164 · Filter by author namedgraph opened on Aug 25, 2026
  3

• TransformFilterDisjunction returns duplicate solutions for overlapping disjuncts

  bug
  apache/jena#4160 · Filter by author faubulous opened on Aug 21, 2026
  1

• TransactionCoordinator's exclusivitylock isn't transferred by detach()/attach()

  apache/jena#4135 · Filter by author Jamie-SA opened on Aug 8, 2026
  5

• Proposal: multi-request transaction support for Fuseki, built on TDB2

  enhancement
  apache/jena#4123 · Filter by author Jamie-SA opened on Aug 4, 2026
  11

  

• Packaging of Fuseki

  Fuseki
  apache/jena#4036 · Filter by author afs opened on Jul 3, 2026
  

• TDB2 Skip scan for single pattern queries.

  enhancement
  apache/jena#3994 · Filter by author Aklakan opened on Jun 16, 2026

• SHACL 1.2 Core and SHACL 1.2 SPARQL

  SHACL
  apache/jena#3888 · Filter by author afs opened on May 1, 2026

• Fuseki 6.0.0: canceled federated SERVICE queries can wedge the target dataset until restart

  bug
  apache/jena#3837 · Filter by author plvsadi opened on Apr 6, 2026
  10

• Does Jena support GeoSPARQL 1.1?

  question
  apache/jena#3828 · Filter by author VladimirAlexiev opened on Apr 1, 2026
  6