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Update Trino 400 release notes #14626

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martint merged 1 commit into from
Oct 13, 2022
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Update Trino 400 release notes #14626

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8 changes: 7 additions & 1 deletion docs/src/main/sphinx/release/release-400.md
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# Release 400 (12 Oct 2022)
# Release 400 (13 Oct 2022)

## General

* Add output buffer utilization to `EXPLAIN ANALYZE VERBOSE`. ({issue}`14396`)
* Increase concurrency for large clusters. ({issue}`14395`)
* Fix JSON serialization failure for `QueryCompletedEvent` in event listener.
({issue}`14604`)
* Fix occasional `maximum pending connection acquisitions exceeded` failure
when fault-tolerant execution is enabled. ({issue}`14580`)
* Fix incorrect results when calling the `round` function on large `real` and
`double` values. ({issue}`14613`)
* Fix query failure when using the `merge(qdigest)` function. ({issue}`14616`)

## BigQuery connector

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## Iceberg connector

* Reduce query latency when querying tables with a large number of files. ({issue}`14504`)
* Prevent table corruption when changing a table fails due to an inability to
release the table lock from the Hive metastore. ({issue}`14386`)
* Fix query failure when reading from a table with a leading double slash in the
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