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Pull requests list

refactor: rename WP.wpTrans to WP.trans changelog-library Library toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15171 opened Sep 15, 2026 by sgraf812 Contributor • Draft
perf: key doElem word parsers by their leading identifier changelog-language Language features and metaprograms toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15170 opened Sep 15, 2026 by sgraf812 Contributor • Draft
4
perf: speed up Nat.powMod kernel reduction changelog-library Library toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15167 opened Sep 15, 2026 by kim-em Collaborator • Draft
1
1
chore: CI: refine Actions cache key
#15165 opened Sep 15, 2026 by Kha Member Loading…
1
perf: avoid copying temporary bignum results changelog-compiler Compiler, runtime, and FFI fsanitize-ci toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15162 opened Sep 15, 2026 by kim-em Collaborator • Draft
3
feat: add a public extended Euclidean algorithm for natural numbers changelog-library Library toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15160 opened Sep 15, 2026 by kim-em Collaborator • Draft
1
fix: run a module's runtime initializer from its meta initializer changelog-compiler Compiler, runtime, and FFI toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15158 opened Sep 15, 2026 by danromik Loading…
1
3
perf: allow reduceArity to drop recursively unused computations changelog-compiler Compiler, runtime, and FFI toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15154 opened Sep 14, 2026 by hargoniX Member • Draft
1
8
fix: set extendedchars=true in lstlean.tex toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15152 opened Sep 14, 2026 by yannickseurin Loading…
perf: parse both erased declaration forms with one doElem parser changelog-language Language features and metaprograms toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15151 opened Sep 14, 2026 by sgraf812 Contributor • Draft
4
fix: use v in Lean.toolchain for release versions toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15150 opened Sep 14, 2026 by thorimur Contributor • Draft
2
feat: lake: copy option for path dependencies changelog-lake Lake toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15142 opened Sep 12, 2026 by tydeu Member Loading…
fix: recover from recursion limits in omega's assumption check toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15140 opened Sep 12, 2026 by zaz • Draft
1
feat: small stateful linter experiment downstream Request a downstream-lean4 adaptation PR. toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15138 opened Sep 11, 2026 by thorimur Contributor • Draft
4
perf: avoid non-linearities in Syntax zipper toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15134 opened Sep 11, 2026 by hargoniX Member • Draft
2
feat: keep non-standard axioms out of the lake check export toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15132 opened Sep 11, 2026 by Kha Member Loading…
perf: make high arity closures pass their arguments linearly if possible changelog-compiler Compiler, runtime, and FFI fsanitize-ci toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15131 opened Sep 11, 2026 by hargoniX Member Loading…
4
perf: fix non-linearity in PrettyPrinter.Formatter.fold toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15125 opened Sep 11, 2026 by hargoniX Member • Draft
2
doc: update Grove, add table for order API adoption in numeric types grove The standard library changes in this PR should be analyzed using Grove. toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15120 opened Sep 11, 2026 by TwoFX Member Loading…
1
fix: expose the Char.ordinal family changelog-library Library toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15115 opened Sep 11, 2026 by kim-em Collaborator Loading…
feat: allow one-field-structure constructors and projections in induction indices changelog-language Language features and metaprograms downstream Request a downstream-lean4 adaptation PR. toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15110 opened Sep 10, 2026 by datokrat Contributor • Draft
1
test toolchain: stricter check for dsimp lemmas downstream Request a downstream-lean4 adaptation PR. toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15109 opened Sep 10, 2026 by datokrat Contributor • Draft
1
feat: don't reduce proofs in is_def_eq_core builds-mathlib CI has verified that Mathlib builds against this PR mathlib4-nightly-available A branch for this PR exists at leanprover-community/mathlib4-nightly-testing:lean-pr-testing-NNNN toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15103 opened Sep 10, 2026 by arthur-adjedj Contributor • Draft
5
fix: prevent unsafe fallback axioms from entering safe declarations toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15094 opened Sep 9, 2026 by felix314159 Loading…
1
feat: add throws clauses to def contracts changelog-language Language features and metaprograms toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#15091 opened Sep 9, 2026 by sgraf812 Contributor • Draft
1
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