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[SPARK-56908][SQL] Parquet vectorized reader performance improvements (umbrella)

Status: Open.

#56011 In apache/spark;

· iemejia opened on May 20, 2026

Spark Declarative Pipelines: enable primary key check as expectation

Status: Open.

#55998 In apache/spark;

· br-valstream opened on May 19, 2026

Automatically create the spark history log directory

Status: Open.

#55975 In apache/spark;

· melin opened on May 19, 2026

Pyspark: from_json is missing MapType as a type hint for schema argument

Status: Open.

#55900 In apache/spark;

· Julian-J-S opened on May 15, 2026

Feature request: inferSchema do not infer digit strings that start with 0 as integer

Status: Open.

#55884 In apache/spark;

· jxu opened on May 14, 2026

User Defined Functions crash Spark Dataframes created directly, but not for ones made from Pandas on Spark.

Status: Open.

#55882 In apache/spark;

· IMarvinTPA opened on May 14, 2026

Pandas On Spark crashing on Windows when applying a custom function.

Status: Open.

#55824 In apache/spark;

· IMarvinTPA opened on May 12, 2026

Optimizer failure: NormalizeCTEIds brakes CTE references for queries with nested CTEs

Status: Open.

#55799 In apache/spark;

· hkeller7kfw opened on May 11, 2026

Is Spark limited to split the Parquet read granularity by Row Group level only?

Status: Open.

#55747 In apache/spark;

· felipepessoto opened on May 7, 2026

Error: Illegal Parquet type: FIXED_LEN_BYTE_ARRAY (UUID)

Status: Open.

#55684 In apache/spark;

· juchom opened on May 5, 2026

Support Filter pushdown in Spark Structured Streaming

Status: Open.

#55680 In apache/spark;

· jalpan-randeri opened on May 5, 2026

Feature request: infer field names in json_tuple

Status: Open.

#55632 In apache/spark;

· jxu opened on Apr 30, 2026