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cpython
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Commits on Jan 31, 2026
gh-143055: Implementation of PEP 798 (#143056)
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adqm
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JelleZijlstra
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ccbe41e
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Commits on Jan 30, 2026
gh-144319: Fix huge page safety in pymalloc arenas (#144331)
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pablogsal
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gh-120321: Make gi_yieldfrom thread-safe in free-threading build (#144292)
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colesbury
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a01694d
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gh-144280: Add missing predicate symbol to case-switch (GH-144298)
reidenong
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a704832
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gh-144145: Track nullness of properties in the Tier 2 JIT optimizer (GH-144122)
cocolato
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1dc12b2
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Commits on Jan 29, 2026
gh-144307: Fix a reference leak during module teardown (GH-144308)
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hyongtao-code
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blurb-it[bot]
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219b7ac
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gh-143946: Add more debug info in `optimize_uops` (GH-144262)
cocolato
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26996b5
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Commits on Jan 28, 2026
gh-144194: Fix mmap failure check in perf_jit_trampoline.c (#143713)
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stratakis
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8fe8a94
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Commits on Jan 27, 2026
gh-144289: Remove ENABLE_SPECIALIZATION_FT (gh-144290)
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colesbury
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6ea3f8c
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gh-120321: Add missing "return false" in gen_try_set_executing (gh-144291)
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colesbury
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GH-126910: add test for manual frame unwinding (#144137)
diegorusso
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66055d0
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Commits on Jan 26, 2026
gh-144169: Fix three crashes in AST objects with non-str kwargs (#144178)
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JelleZijlstra
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vstinner
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639c1ad
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Commits on Jan 25, 2026
gh-143995: Eliminate redundant refcounting in the JIT from LOAD_ATTR_MODULE (GH-143996)
aisk
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6e55337
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Commits on Jan 24, 2026
gh-144140: Optimize len for string constants in optimizer (GH-144142)
y1yang0
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979d92f
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gh-130415: Narrow types to constants in branches involving specialized comparisons with a constant (GH-144150)
reidenong
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6d972e0
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gh-144068: fix JIT tracer memory leak when daemon thread exits (GH-144077)
cocolato
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2984024
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Misc: remove duplicate `instr_frame` assignment in `_PyJit_TryInitializeTracing` (GH-144155)
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hyongtao-code
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6f57914
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gh-144016: Fix bad stack assert in the JIT optimizer (GH-144019)
Fidget-Spinner
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ca99bfd
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gh-144007: Eliminate redundant refcounting in the JIT for BINARY_OP (GH-144011)
aisk
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4e10fa9
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Commits on Jan 23, 2026
gh-144005: Eliminate redundant refcounting in the JIT for BINARY_OP_EXTEND (#144006)
aisk
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2f42f83
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Commits on Jan 22, 2026
gh-142779: Initialize reserved field for proper padding (#142780)
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stratakis
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77bf4ba
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GH-139109: Partial reworking of JIT data structures (GH-144105)
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markshannon
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d77aaa7
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gh-130415: Narrowing to constants in branches involving `is` comparisons with a constant (GH-143895)
reidenong
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0b08438
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Commits on Jan 21, 2026
GH-138245: Perform boolean guards by testing a single bit, rather than a full pointer comparison. (GH-143810)
markshannon
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9eab67d
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Commits on Jan 20, 2026
gh-141504: Move PYTHON_UOPS_OPTIMIZE to policy object (GH-144082)
corona10
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27a7160
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gh-144054: no deferred refcount for untracked (gh-144081)
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nascheme
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48b6866
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gh-143939: Fix assignment to `_PyThreadStateImpl.generator_return_kind` (gh-143951)
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colesbury
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43bb630
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gh-144054: shutdown fix for deferred ref counting (GH-144055)
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nascheme
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795d5c5
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Commits on Jan 18, 2026
gh-144012: Check null binary op extend (#144014)
aisk
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54bedcf
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Commits on Jan 17, 2026
gh-143421: Use new buffer to save optimized uops (GH-143682)
cocolato
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b4b7324
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gh-143946: Show `JitOptSymbol` on abstract stack when set PYTHON_OPT_DEBUG > 4 (GH-143957)
cocolato
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61ec66a
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gh-132657: Add maybe_enable_deferred_ref_count() (gh-142843)
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nascheme
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bb25f72
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Commits on Jan 16, 2026
gh-142913: Add test case for interpreter generator w/ overridden opcodes (#142911)
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DinoV
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4d5a676
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gh-141070: Rename `PyUnstable_Object_Dump` to `PyObject_Dump` (GH-142848)
ZeroIntensity
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19e64af
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GH-143493: Conform to spec for generator expressions while supporting virtual iterators (GH-143569)
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markshannon
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ae53da5
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