Release notes for 391

[martint]

No description provided.

[ebyhr]

# BigQuery
* Support reading external tables. ({issue}`13164`)

#13164

[ebyhr]

# BigQuery
* Support creating a table with table and column comment. ({issue}`13105`)

#13105

[aczajkowski]

# AWS Athena
* Support for AWS Athena Partition Projection. ({issue}`11305`)

• Support for AWS Athena partition projection #10767

[sopel39]

General
* Improve performance of repeated aggregations with ``CASE`` expressions. ({issue}`12548`)

#12548

[ebyhr]

# Hive
* Fix incorrect results when using the Glue metastore and queries contain `IS NULL` with additional filters. ({issue}`13083`)

#13122

[raunaqmorarka]

# SPI
* Removed deprecated SPI methods and classes related to the grouped execution feature. ({issue}`13125`)

#13125

[raunaqmorarka]

# Delta Lake, Hive
* Improved optimized parquet writer performance.

# Iceberg
* Improved parquet writer performance.

#13203 #13208

[findepi]

# Iceberg
* Fix query failure when reading an Iceberg table with deletion files. ({issue}`13035`)

#13035 #13078

[findepi]

# Hive, Iceberg, Delta Lake
* Fix incorrect results when using the Glue metastore and queries contain `IS NULL` with additional filters. ({issue}`13083`)

Only Hive

[ebyhr]

Only Hive

My bad. Fixed the entry.

[sopel39]

Iceberg
* Fix query failures when table contains columns of UUID type. ({issue}`13268`)

#13268

[findepi]

(all JDBC connectors supporting query pass-through)
- Fix potential query failures when using query pass-through table function with metadata caching and
  underlying tables' schema is changed via Trino. ({issue}`12526`)

#13034 #12526

[ebyhr]

# Delta Lake
* Fix incorrect results when reading a table with a cached representation of its active data files which is outdated. ({issue}`13083`)

#13195

[findepi]

Iceberg
* Improve query planning time. ({issue}`13047`)

#13047

[ebyhr]

# Delta Lake
* Store query id when creating a new schema. ({issue}`13242`)
* Fix incorrect `schema already exists` error caused by a client timeout when creating a new schema. ({issue}`13242`)

#13242