Commit 0bec63e6 authored by R David Murray's avatar R David Murray

whatsnew: compression libraries support 'x' mode.

parent 4b1ea234
...@@ -1609,6 +1609,10 @@ Other Improvements ...@@ -1609,6 +1609,10 @@ Other Improvements
set just the error handler, without changing the default encoding. set just the error handler, without changing the default encoding.
(Contributed by Serhiy Storchaka in :issue:`18818`.) (Contributed by Serhiy Storchaka in :issue:`18818`.)
* The :mod:`bz2`, :mod:`lzma`, and :mod:`gzip` module ``open`` functions now
support ``x`` (exclusive creation) mode. (Contributed by Tim Heaney and
Vajrasky Kok in :issue:`19201`, :issue:`19222`, and :issue:`19223`.)
Significant Optimizations Significant Optimizations
------------------------- -------------------------
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