Search results

IDLE gets confused when switching between tabs and spaces.

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-IDLE

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142107 In python/cpython;

· manngo opened on Nov 30, 2025

gdb <code>py-bt</code> is no more compatible with Python 3.13+

3.13bugs and security fixesbugs and security fixes

3.14bugs and security fixesbugs and security fixes

3.15new features, bugs and security fixesnew features, bugs and security fixes

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142095 In python/cpython;

· cielavenir opened on Nov 29, 2025

Jit stencils on Windows contain debug data in 3.15

3.15new features, bugs and security fixesnew features, bugs and security fixes

OS-windows

topic-JIT

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142050 In python/cpython;

· chris-eibl opened on Nov 28, 2025

Negative GC gen0 count in free threaded python delaying GC

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

topic-free-threading

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142048 In python/cpython;

· kevmo314 opened on Nov 28, 2025

3.15.0a2 doesn't compile with <code>--with-pydebug</code>

3.15new features, bugs and security fixesnew features, bugs and security fixes

buildThe build process and cross-buildThe build process and cross-build

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142038 In python/cpython;

· xhochy opened on Nov 28, 2025

Argparse wrapping is bugged when colors are involved

3.14bugs and security fixesbugs and security fixes

3.15new features, bugs and security fixesnew features, bugs and security fixes

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142035 In python/cpython;

· alexprengere opened on Nov 28, 2025

asm_trampoline.S misses GCS flag for aarch64

buildThe build process and cross-buildThe build process and cross-build

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142034 In python/cpython;

· ggardet opened on Nov 28, 2025

email.policy.default adds an extra newline char to email address headers and raises HeaderWriteError on stringify

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-email

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142006 In python/cpython;

· fumiyas opened on Nov 27, 2025

Incremental GC does not collect garbage as soon as expected

3.14bugs and security fixesbugs and security fixes

3.15new features, bugs and security fixesnew features, bugs and security fixes

interpreter-core(Objects, Python, Grammar, and Parser dirs)(Objects, Python, Grammar, and Parser dirs)

performancePerformance or resource usagePerformance or resource usage

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#142002 In python/cpython;

· nascheme opened on Nov 27, 2025

REPL adds syntax highlighting to echoed stdin being read in via <code>input</code>

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-replRelated to the interactive shellRelated to the interactive shell

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#141998 In python/cpython;

· TotalyEnglizLitrate opened on Nov 27, 2025

<code>asyncio.wait(timeout=5)</code> returns early (~1.5 ms) on macOS with Python 3.14.x free-threaded

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory

topic-asyncio

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#141992 In python/cpython;

· ayjayt opened on Nov 26, 2025

--disable-gil --enable-experimental-jit=yes-off: test_jit_is_active fails

testsTests in the Lib/test dirTests in the Lib/test dir

topic-JIT

type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

Status: Open.

#141956 In python/cpython;

· hroncok opened on Nov 25, 2025