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Pull requests: python/cpython

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Pull requests list

GH-155009: Preserve argparse prog for programmatic module-as-main execution awaiting core review needs backport to 3.14 bugs and security fixes needs backport to 3.15 pre-release feature fixes, bugs and security fixes
#155199 opened Aug 5, 2026 by savannahostrowskiMemberLoading…
gh-149755: remove decimal benchmarks awaiting review skip news
#155198 opened Aug 5, 2026 by skirpichevMemberLoading…
1
gh-155063: Upgrade bundled pip to 26.2.1 awaiting review
#155196 opened Aug 4, 2026 by ichard26ContributorLoading…
gh-123059: Document archive timestamp timezone handling awaiting review docs Documentation in the Doc dir skip news
#155195 opened Aug 4, 2026 by JasonColapietroLoading…
1
2
gh-63299: Escape unencodable characters in pprint() awaiting core review stdlib Standard Library Python modules in the Lib/ directory topic-unicode type-bug An unexpected behavior, bug, or error
#155192 opened Aug 4, 2026 by serhiy-storchakaMemberLoading…
1
gh-64502: Fix Argument Clinic support of optional groups with defaults awaiting core review
#155191 opened Aug 4, 2026 by serhiy-storchakaMemberLoading…
gh-62978: Use Python 3 terms in the email package docs awaiting core review docs Documentation in the Doc dir needs backport to 3.13 bugs and security fixes needs backport to 3.14 bugs and security fixes needs backport to 3.15 pre-release feature fixes, bugs and security fixes skip news topic-email
#155190 opened Aug 4, 2026 by serhiy-storchakaMemberLoading…
1
gh-155194: Fix not raising on non-module import awaiting core review skip news topic-lazy-imports
#155189 opened Aug 4, 2026 by DinoVContributorLoading…
[3.15] gh-155194: Fix not raising on non-module import 3.15 pre-release feature fixes, bugs and security fixes awaiting core review skip news topic-lazy-imports
#155188 opened Aug 4, 2026 by DinoVContributorLoading…
[3.15] gh-117807: Handle invalid UTF-8 in mimetypes map files (GH-151216) awaiting review
#155183 opened Aug 4, 2026 by miss-islingtonContributorLoading…
gh-155181: Untrack frozensets created from set literals when possible awaiting core review needs backport to 3.15 pre-release feature fixes, bugs and security fixes
#155182 opened Aug 4, 2026 by aiskMemberLoading…
1
gh-155176: Don't track frozendicts whose contents can never be tracked by the GC awaiting review
#155178 opened Aug 4, 2026 by aiskMemberLoading…
3
gh-155175: Reject fractional seconds without a decimal mark in C fromisoformat awaiting core review
#155177 opened Aug 4, 2026 by SEPURI-SAI-KRISHNALoading…
@StanFromIreland
3
gh-153711: Add runtime guards for dup3 & pipe2 awaiting core review
#155174 opened Aug 4, 2026 by encukouMemberLoading…
1
gh-155170: Expose extension compiler flags in build details awaiting core review
#155172 opened Aug 4, 2026 by pablogsalMemberLoading…
gh-150942: Speed up BytesIO.readlines() using reference-stealing append awaiting review
#155171 opened Aug 4, 2026 by TaeknologyContributorLoading…
1
1
[3.15] gh-152548: Report a subprocess of runInSubprocess() dying after the test (GH-155162) awaiting review skip news
#155167 opened Aug 4, 2026 by miss-islingtonContributorLoading…
[3.15] gh-155109: Run tests exhausting the C stack with a limited C stack (GH-155120) awaiting review
#155164 opened Aug 4, 2026 by miss-islingtonContributorLoading…
gh-152548: Add options, env and timeout parameters to runInSubprocess() awaiting core review needs backport to 3.13 bugs and security fixes needs backport to 3.14 bugs and security fixes needs backport to 3.15 pre-release feature fixes, bugs and security fixes skip news tests Tests in the Lib/test dir
#155163 opened Aug 4, 2026 by serhiy-storchakaMemberLoading…
1
[3.10] gh-146333: Fix quadratic regex backtracking in configparser option parsing (GH-146399) (GH-148559) (GH-154081) awaiting review
#155161 opened Aug 4, 2026 by miss-islingtonContributorLoading…
[3.11] gh-146333: Fix quadratic regex backtracking in configparser option parsing (GH-146399) (GH-148559) (GH-154081) awaiting review
#155160 opened Aug 4, 2026 by miss-islingtonContributorLoading…
1
[3.10] gh-149079: Fix O(n^2) canonical ordering in unicodedata.normalize() (GH-149080) (GH-150843) awaiting review topic-unicode type-security A security issue
#155159 opened Aug 4, 2026 by miss-islingtonContributorLoading…
[3.11] gh-149079: Fix O(n^2) canonical ordering in unicodedata.normalize() (GH-149080) (GH-150843) awaiting review topic-unicode type-security A security issue
#155158 opened Aug 4, 2026 by miss-islingtonContributorLoading…
[3.15] gh-155146: Do not depend on the exact number of allocations in test_class (GH-155150) awaiting review skip news tests Tests in the Lib/test dir
#155155 opened Aug 4, 2026 by miss-islingtonContributorLoading…
gh-155152: Fix quadratic processing of concatenated zstd frames in zipimport awaiting review
#155154 opened Aug 4, 2026 by lpyu001ContributorLoading…
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