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Add RELEASE.txt entry for compound performance regression fix (#3376) #3416

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Aug 23, 2023
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Add RELEASE.txt entry for compound performance regression fix (#3376) #3416

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Add RELEASE.txt entry for compound performance regression fix (#3376)
fortnern Aug 23, 2023
49205dc
Fix spelling
fortnern Aug 23, 2023
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10 changes: 10 additions & 0 deletions release_docs/RELEASE.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -292,6 +292,16 @@ Bug Fixes since HDF5-1.14.0 release
===================================
Library
-------
- Fixed performance regression with some compound type conversions
33
In-place type conversion was introduced for most use cases in 1.14.2.
While being able to use the read buffer for type conversion potentially
improves performance by performing the entire I/O at once, it also
disables the optimized compound type conversion used when the destination
is a subset of the source. Disabled in-place type conversion when using
this optimized conversion and there is no benefit in terms of the I/O
size.

- Fixed an assertion in a previous fix for CVE-2016-4332

An assert could fail when processing corrupt files that have invalid
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