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gh-91349: Adjust default compression level to 6 (down from 9) in gzip and tarfile by morotti · Pull Request #131470 · python/cpython · GitHub
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gh-91349: Adjust default compression level to 6 (down from 9) in gzip and tarfile #131470

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Merged
gpshead merged 8 commits into from
Jul 20, 2025
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gh-91349: Adjust default compression level to 6 (down from 9) in gzip and tarfile #131470

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gh-91349: Adjust default compression level to 6 (down from 9) in gzip…
rmmancom Mar 19, 2025
7ba376e
add versionchanged note
rmmancom Jun 25, 2025
461178f
add versionchanged note
rmmancom Jun 25, 2025
93ea66a
Update Doc/library/gzip.rst
morotti Jul 18, 2025
b2dd727
Update Doc/library/gzip.rst
morotti Jul 18, 2025
f924161
set versionchanged to next
morotti Jul 18, 2025
808f7cd
Update Doc/library/tarfile.rst
morotti Jul 18, 2025
793ca56
Update Misc/NEWS.d/next/Library/2025-03-19-12-41-42.gh-issue-91349.8e…
morotti Jul 20, 2025
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Update Doc/library/gzip.rst 
set versionchanged to next
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@morotti
morotti authored Jul 18, 2025
commit b2dd72721fa606a25579a3cfec477e0b5172920a
2 changes: 1 addition & 1 deletion Doc/library/gzip.rst
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Expand Up @@ -216,7 +216,7 @@ The module defines the following items:
The *mtime* parameter now defaults to 0 for reproducible output.
For the previous behaviour of using the current time,
pass ``None`` to *mtime*.
.. versionchanged:: 3.14
.. versionchanged:: next
The default compression level was reduced to 6 (down from 9).
It is the default level used by most compression tools and a better
tradeoff between speed and performance.
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