[GH-2609] Support Spark 4.1#2649

Merged

jiayuasu merged 14 commits intomasterfrom

support-spark-4.1

Feb 14, 2026

Commits on Feb 13, 2026

[GH-2609] Support Spark 4.1
jiayuasu
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Remove Spark 4.1 from example CI
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Fix docs and CI: remove Scala 2.12 tabs for Spark 4.1, fix Python compatibility table, refine CI matrices
jiayuasu
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Work around Spark 4.1 UDT case object bug (SPARK-52671)
jiayuasu
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fix: split pyspark dep with python_version markers to avoid resolver failure on Python <3.10
jiayuasu
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fix: add toString override to UDT classes and disable fail-fast in CI
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fix: force-overwrite Spark 4.1 native ST functions with Sedona's and disable geospatial in tests
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fix: smart guard for function registration - skip Sedona re-registration, overwrite Spark native
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fix: use python_version >= 3.10 for all Spark 4.x in Python CI
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fix: alias DataFrames in OsmReaderTest to resolve ambiguous self-join on Spark 4.1
jiayuasu
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fix: replace commons-collections 3.x with Java stdlib
jiayuasu
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Commits on Feb 14, 2026