Issues

Cache an exact byte offset for specialized global and module loads

python/cpython#159272 · opened

on Oct 12, 2026

REPL tab completion of a global name imports lazily imported modules

python/cpython#159266 · opened

on Oct 12, 2026

Docs: `:deco:` references with `~` render as `@~module.name`

python/cpython#159265 · opened

on Oct 12, 2026

2

`_remote_debugging`: `RemoteUnwinder` caches the interpreters list head in `init` as the main interpreter

python/cpython#159262 · opened

on Oct 12, 2026

1

`re`: no ASCII fast path for `\w` in Unicode mode, unlike `\s`

python/cpython#159251 · opened

on Oct 12, 2026

2

Free-threading: dict() crashes when a key/value pair list is mutated concurrently

python/cpython#159244 · opened

on Oct 12, 2026

Deprecate `author`, `credits` and `copyright` attributes in stdlib modules

python/cpython#159240 · opened

on Oct 12, 2026

`_winapi.CreateProcess` audit event passes garbage for `command_line`

python/cpython#159237 · opened

on Oct 12, 2026

configure: --with-dbmliborder=gdbm doesn't find gdbm_compat when its header is <ndbm.h>

python/cpython#159230 · opened

on Oct 12, 2026

1

IDNA incremental encoder reports wrong error offset when a non-ASCII label precedes the invalid one

python/cpython#159229 · opened

on Oct 12, 2026

1

Task "check-capi-macros" skip `PC/pyconfig.h`

python/cpython#159227 · opened

on Oct 12, 2026

Data entered through input() in REPL is written to ~/.python_history

python/cpython#159225 · opened

on Oct 12, 2026

5

Add type parameter and variance documentation to `collections.abc` (and potentially other modules?)

python/cpython#159222 · opened

on Oct 12, 2026

1

iOS testbed unnecessarily gathers simulator diagnostics

python/cpython#159211 · opened

on Oct 12, 2026

Cache one freed block per size class in pymalloc

python/cpython#159208 · opened

on Oct 12, 2026

Tachyon: use bounded columnar blocks for binary profiles

python/cpython#159207 · opened

on Oct 12, 2026

3

`sys.remote_exec()` can fail when subinterpreters exist

python/cpython#159194 · opened

on Oct 11, 2026

5

Speed up bytes.join() when all items are exact bytes

python/cpython#159191 · opened

on Oct 11, 2026

1

IDLE: Display full syntax error diagnostics in the Shell

python/cpython#159190 · opened

on Oct 11, 2026

1

Free-threaded build: `marshal` output of `compile()` of an AST depends on what was compiled before

python/cpython#159188 · opened

on Oct 11, 2026

1

Skip branch-history recording in builds without Tier 2

python/cpython#159186 · opened

on Oct 11, 2026

`marshal.dumps()` raises `TypeError` for a set containing several complex NaNs

python/cpython#159184 · opened

on Oct 11, 2026

1

os.closerange(0, 0) closes an independently opened file descriptor

python/cpython#159182 · opened

on Oct 11, 2026

Clarify “Sequences also support slicing” in Data Model §3.2.5

python/cpython#159180 · opened

on Oct 11, 2026

1

csv.Sniffer.has_header documentation misstates column exclusion and voting

python/cpython#159177 · opened

on Oct 11, 2026

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Issues

Cache an exact byte offset for specialized global and module loads

REPL tab completion of a global name imports lazily imported modules

Docs: `:deco:` references with `~` render as `@~module.name`

`_remote_debugging`: `RemoteUnwinder` caches the interpreters list head in `init` as the main interpreter

`re`: no ASCII fast path for `\w` in Unicode mode, unlike `\s`

Free-threading: dict() crashes when a key/value pair list is mutated concurrently

Deprecate `author`, `credits` and `copyright` attributes in stdlib modules

`_winapi.CreateProcess` audit event passes garbage for `command_line`

configure: --with-dbmliborder=gdbm doesn't find gdbm_compat when its header is <ndbm.h>

IDNA incremental encoder reports wrong error offset when a non-ASCII label precedes the invalid one

Task "check-capi-macros" skip `PC/pyconfig.h`

Data entered through input() in REPL is written to ~/.python_history

Add type parameter and variance documentation to `collections.abc` (and potentially other modules?)

iOS testbed unnecessarily gathers simulator diagnostics

Cache one freed block per size class in pymalloc

Tachyon: use bounded columnar blocks for binary profiles

`sys.remote_exec()` can fail when subinterpreters exist

Speed up bytes.join() when all items are exact bytes

IDLE: Display full syntax error diagnostics in the Shell

Free-threaded build: `marshal` output of `compile()` of an AST depends on what was compiled before

Skip branch-history recording in builds without Tier 2

`marshal.dumps()` raises `TypeError` for a set containing several complex NaNs

os.closerange(0, 0) closes an independently opened file descriptor

Clarify “Sequences also support slicing” in Data Model §3.2.5

csv.Sniffer.has_header documentation misstates column exclusion and voting