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Pull requests list

chore: remove USE_LAKE build option
#13855 opened May 26, 2026 by Kha Member • Draft
feat: dsimp variants and syntax for SymM changelog-tactics User facing tactics
#13854 opened May 26, 2026 by leodemoura Member Loading…
feat: report text linter diagnostics by module changelog-language Language features and metaprograms
#13853 opened May 26, 2026 by wkrozowski Contributor • Draft
feat: add builtin linter sets and makes linter.extra a linter set breaks-mathlib This is not necessarily a blocker for merging: but there needs to be a plan changelog-language Language features and metaprograms 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
#13852 opened May 26, 2026 by wkrozowski Contributor • Draft
2
experiment: forbid large elim of recursive Prop inductives changelog-language Language features and metaprograms
#13851 opened May 26, 2026 by nomeata Collaborator • Draft
perf: less aggressive getElem e-matching toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13850 opened May 26, 2026 by hargoniX Contributor • Draft
4
doc: AI contribution policy 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
#13847 opened May 26, 2026 by Kha Member Loading…
2
experiment: always check types for instance metavariables at instance…
#13846 opened May 26, 2026 by TwoFX Member • Draft
refactor: format specifiers to align with Java/CLDR pattern language toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13845 opened May 25, 2026 by algebraic-dev Member Loading…
@algebraic-dev
2
feat: tag linter warnings for recordLints changelog-language Language features and metaprograms lake-ci Run all Lake tests toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13844 opened May 25, 2026 by wkrozowski Contributor Loading…
4
feat: public imports for environment linters inside of lake lint in module system mode 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
#13843 opened May 25, 2026 by wkrozowski Contributor Loading…
2
chore: make checkUnivs linter into Lean.Linter builds-mathlib CI has verified that Mathlib builds against this PR changelog-no Do not include this PR in the release changelog 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
#13832 opened May 25, 2026 by wkrozowski Contributor Loading…
2
experiment: always check types for instance metavariables at instance transparency 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
#13831 opened May 25, 2026 by TwoFX Member • Draft
2
feat: automatic try? suggestions for empty by, unsolved goals, and sorry builds-mathlib CI has verified that Mathlib builds against this PR changelog-tactics User facing tactics 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
#13830 opened May 25, 2026 by nomeata Collaborator • Draft
3
perf: use SymM for bv_decide rewriting changes-stage0 Contains stage0 changes, merge manually using rebase toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13827 opened May 24, 2026 by hargoniX Contributor • Draft
4
feat: improve handling of interrupt exceptions in the server 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
#13821 opened May 22, 2026 by Vtec234 Member • Draft
2
fix: app elaborator infotrees should have context when there is ambiguity 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
#13815 opened May 21, 2026 by kmill Collaborator Loading…
1
2
experiment: improved 'synthsized type class instance is not definitio… 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
#13814 opened May 21, 2026 by TwoFX Member • Draft
3
perf: Nat rep for boxed UInt64 / USize changelog-language Language features and metaprograms toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13810 opened May 21, 2026 by tydeu Member • Draft
4
perf: use String.compare in ConfigEval decision tree 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
#13806 opened May 20, 2026 by kmill Collaborator • Draft
4
feat: add RecurringRule for ZoneRules for computing dates in the future changelog-library Library toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13804 opened May 20, 2026 by algebraic-dev Member Loading…
@algebraic-dev
2
chore: turn defLemma linter into Lean.Linter and rename it to defProp builds-mathlib CI has verified that Mathlib builds against this PR changelog-language Language features and metaprograms 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
#13803 opened May 20, 2026 by wkrozowski Contributor Loading…
2
feat: fix Aligned, OfMonth and OfYear types in Std.Time changelog-library Library toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13799 opened May 20, 2026 by algebraic-dev Member Loading…
@algebraic-dev
2
refactor: replace DateTime with ZonedDateTime changelog-library Library toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN
#13798 opened May 20, 2026 by algebraic-dev Member Loading…
@algebraic-dev
2
feat: parser tracing using #trace_parse 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
#13792 opened May 19, 2026 by Rob23oba Contributor • Draft
2
ProTip! What’s not been updated in a month: updated:<2026-04-26.