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Pull requests list

perf: simdutf8
#13440 opened Apr 17, 2026 by hargoniX Contributor • Draft
2
feat: have level metavariable pretty printer instantiate level metavariables builds-manual CI has verified that the Lean Language Reference builds against this PR changelog-pp Pretty printing 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
#13438 opened Apr 17, 2026 by kmill Collaborator • Draft
1
chore: build bench: measure Lake self-time toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13436 opened Apr 17, 2026 by Kha Member Loading…
9
fix: handling of EmitC for small hex string literals changelog-compiler Compiler, runtime, and FFI toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13435 opened Apr 17, 2026 by hargoniX Contributor Loading…
5
feat: add lake support for running environment linters builds-manual CI has verified that the Lean Language Reference builds against this PR builds-mathlib CI has verified that Mathlib builds against this PR changelog-lake Lake force-manual-ci lake-ci Run all Lake tests 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
#13431 opened Apr 16, 2026 by wkrozowski Contributor Loading…
8
feat: empty by runs try? to suggest a proof 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
#13430 opened Apr 16, 2026 by nomeata Collaborator • Draft
2
fix: propagate parent cancel token to parallel tactic subtasks changelog-language Language features and metaprograms toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13428 opened Apr 16, 2026 by nomeata Collaborator • Draft
1
2
feat: compiled tactic configuration elaborators, and configurability breaks-mathlib This is not necessarily a blocker for merging: but there needs to be a plan changelog-language Language features and metaprograms 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
#13426 opened Apr 16, 2026 by kmill Collaborator • Draft
7
feat: lake: JobAction.reuse & .unpack builds-mathlib CI has verified that Mathlib builds against this PR changelog-lake Lake lake-ci Run all Lake tests 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
#13423 opened Apr 15, 2026 by tydeu Member • Draft
2
fix: ensure type/value compatibility in mkValueTypeClosure builds-mathlib CI has verified that Mathlib builds against this PR changelog-language Language features and metaprograms 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
#13418 opened Apr 15, 2026 by Rob23oba Contributor Loading…
1
4
chore: add grind tests that fail with grind.debug toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13412 opened Apr 15, 2026 by hargoniX Contributor • Draft
2
perf: inline get_loose_bvar_range field accessor 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
#13387 opened Apr 13, 2026 by Kha Member • Draft
6
feat: allow attributes on structure fields toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13382 opened Apr 12, 2026 by SrGaabriel Loading…
1
3
perf: de-virtualize replace_rec_fn dispatch via templated functor toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13380 opened Apr 12, 2026 by Kha Member • Draft
4
perf: skip caching identity results in replace_rec_fn toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13379 opened Apr 12, 2026 by Kha Member • Draft
7
perf: small-buffer inline cache for replace_rec_fn toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13378 opened Apr 12, 2026 by Kha Member • Draft
4
perf: single-probe cache insert in replace_rec_fn toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13377 opened Apr 12, 2026 by Kha Member • Draft
4
perf: pre-reserve replace_rec_fn cache to avoid early rehashing toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13376 opened Apr 12, 2026 by Kha Member • Draft
4
perf: skip kernel sharecommon on theorems toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13375 opened Apr 12, 2026 by Kha Member • Draft
8
chore: add missing noexcepts
#13370 opened Apr 10, 2026 by eric-wieser Contributor Loading…
feat: add type-correctness note to rewrite tactic error messages breaks-mathlib This is not necessarily a blocker for merging: but there needs to be a plan 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
#13368 opened Apr 10, 2026 by Kha Member • Draft
4
fix: prevent a hang in acLt builds-mathlib CI has verified that Mathlib builds against this PR changelog-language Language features and metaprograms 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
#13367 opened Apr 10, 2026 by eric-wieser Contributor Loading…
6
feat: use right-associativity in Level.max normalization breaks-mathlib This is not necessarily a blocker for merging: but there needs to be a plan changelog-language Language features and metaprograms 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
#13366 opened Apr 10, 2026 by kmill Collaborator • Draft
1
7
feat: use explicit allowlist instead of transparency bump in whnfMatcher builds-mathlib CI has verified that Mathlib builds against this PR changelog-language Language features and metaprograms 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
#13363 opened Apr 10, 2026 by nomeata Collaborator Loading…
13
test toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13362 opened Apr 10, 2026 by hargoniX Contributor • Draft
8
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