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Pull requests list

feat: add mkSimprocPatternFromExpr for creating patterns from expressions with metavariables toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12569 opened Feb 18, 2026 by wkrozowski • Draft
2
chore: isolate String.length toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12566 opened Feb 18, 2026 by TwoFX • Draft
4
perf: faster Name.quickCmp
#12565 opened Feb 18, 2026 by hargoniX • Draft
8
fix: detect stuck mvars through auxiliary parent projections 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
#12564 opened Feb 18, 2026 by leodemoura Loading…
4
fix: make the omit, unusedSectionVars and loopingSimpArgs linter respect linter.all
#12563 opened Feb 18, 2026 by grunweg Loading…
fix: catch exceptions in cbv rewrite simprocs to handle projections changelog-tactics User facing tactics toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12562 opened Feb 18, 2026 by wkrozowski Loading…
1
2
fix: make option linter.unusedSimpArgs respect linter.all builds-manual CI has verified that the Lean Language Reference 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
#12560 opened Feb 18, 2026 by fiforeach • Draft
1
6
experiment alt inc/dec reordering toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12557 opened Feb 18, 2026 by hargoniX • Draft
4
experiment: reuse ite/dite Decidable instance in cbv toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12552 opened Feb 18, 2026 by wkrozowski • Draft
7
refactor: port RC insertion from IR to LCNF toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12548 opened Feb 18, 2026 by hargoniX • Draft
14
chore: simplify a proof in mvcgen test cases and remove duplicate toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12547 opened Feb 18, 2026 by sgraf812 Loading…
2
feat: add lake profile command changelog-lake Lake toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12545 opened Feb 18, 2026 by kim-em • Draft
2
fix: remove transparency bumps from assignOutParams and checkTypesAndAssign awaiting-mathlib We should not merge this until we have a successful Mathlib build 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
#12544 opened Feb 18, 2026 by kim-em • Draft
2
fix(lake): use response files on all platforms to avoid ARG_MAX toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12540 opened Feb 18, 2026 by kim-em Loading…
3
feat: unify name demangling with single Lean implementation changelog-compiler Compiler, runtime, and FFI toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12539 opened Feb 18, 2026 by kim-em Loading…
10
feat: enable backward.whnf.reducibleClassField 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
#12538 opened Feb 18, 2026 by leodemoura Loading…
2
feat: add pattern-based simproc extension for cbv changelog-tactics User facing tactics toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12534 opened Feb 17, 2026 by wkrozowski • Draft
2 tasks done
2
fix: handle stuck sub-args in discrimination tree during TC synthesis toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12528 opened Feb 17, 2026 by nomeata • Draft
3 tasks done
1
2
chore: fix profiler shebang and add profiling skill changelog-no Do not include this PR in the release changelog toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12519 opened Feb 17, 2026 by kim-em Loading…
2
fix: add depth guard to map_map grind_pattern awaiting-mathlib We should not merge this until we have a successful Mathlib build breaks-mathlib This is not necessarily a blocker for merging: but there needs to be a plan builds-manual CI has verified that the Lean Language Reference builds against this PR changelog-library Library 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
#12515 opened Feb 17, 2026 by kim-em Loading…
3
feat: lake: Shallow git cloning toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12513 opened Feb 16, 2026 by SnO2WMaN • Draft
1
2
test: fill in sorries of grind_qsort.lean test file toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12510 opened Feb 16, 2026 by Seppel3210 Loading…
2
experiment: bv_decide_cbv_decide
#12509 opened Feb 16, 2026 by hargoniX • Draft
1
chore: add MWE for Sym.Simp.DiscrTree wildcard pattern key generation toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#12499 opened Feb 16, 2026 by wkrozowski • Draft
2
fix: variable inclusion in axiom 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
#12497 opened Feb 16, 2026 by Rob23oba Loading…
2
ProTip! Updated in the last three days: updated:>2026-02-15.