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CHANGES for Jena 6.2.0 #4110

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==== Apache Jena 6.2.0
Released: 2026-07-31
Issues: https://s.apache.org/jena-6.2.0-issues
Announcement:
https://lists.apache.org/thread/n7pz5vk9gyfrhmwnqnggotzxxv257hf4

== Changes of Note:

Working Group - RDF and SPARQL:

Syntax (Turtle etc, SPARQL etc) are UTF-8 documents. UTF-8 does not
allow surrogate pairs. The RDF Working Group has decided not to allow
surrogate pairs via Unicode escapes.

In GeoSPARQL:
* upgrade SIS upgrade 1.4 -> 1.6
* support non-Euclidean geometries

In Fuseki:
* Memory leak fix related to long-running servers using Apache Shiro

In TDB:
* Robustness fix for the database after system level error
This affects both TDB2 and TDB1.

== Contributions

From @ThomasThelen:

SIS upgrade 1.4 -> 1.6
https://sis.apache.org/release-notes/1.5.html
https://sis.apache.org/release-notes/1.6.html
including bug fix for non-euclidean geometries

GeoSPARQL and UI
https://github.com/apache/jena/pull/4021
UI : Use a dashed 'primary' color instead of 'warning' during file

Fuseki UI : Use a dashed 'primary' color instead of 'warning' during file
https://github.com/apache/jena/pull/4021

Fuseki UI : Show parser error from fuseki when uploading files:
https://github.com/apache/jena/pull/4052

Reasoner fix:
https://github.com/apache/jena/pull/4022

Support non-Euclidean geometry:
https://github.com/apache/jena/pull/4016

Support more locales in the Fuseki docker image
https://github.com/apache/jena/pull/4054

Github actions fix:
https://github.com/apache/jena/pull/4086

From @m3l0n-sq:
* Robustness fix for the database after a system level error
(e.g. OOME elsewhere in the JVM)
https://github.com/apache/jena/issues/4043
https://github.com/apache/jena/pull4051
This affects both TDB2 and TDB1.

@jitsedesmet Jitse De Smet
https://github.com/apache/jena/pull/4095
"Fix invalid json in Lateral test results2


==== Apache Jena 6.1.0
Released: 2026-05-11
Issues: https://s.apache.org/jena-6.1.0-issues
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