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v4.8.0 | Library (Other fixes/improvements) | Changes Fin.induction to use structural induction for clarity. | 4010 |
v4.8.0 | Docs | Various doc updates for library modules or user guides. | 3615 |
v4.8.0 | Docs | Additional clarifications or expansions in doc comments. | 3664 |
v4.8.0 | Docs | Edits to doc pages for clarity or completeness. | 3707 |
v4.8.0 | Docs | Refines docstrings or user-facing doc references in the codebase. | 3734 |
v4.8.0 | Docs | Minor doc improvements or reorganizations of existing references. | 3868 |
v4.8.0 | Docs | Edits or extends documentation for advanced features or modules. | 3861 |
v4.8.0 | Docs | Fixes or updates certain doc references in Lean code. | 3869 |
v4.8.0 | Docs | Further doc updates for specialized areas or linter references. | 3858 |
v4.8.0 | Docs | Expands doc coverage in some lesser-known library parts. | 3856 |
v4.8.0 | Docs | Syncs doc changes for tactics or macros with the code updates. | 3857 |
v4.8.0 | Docs | Updates docs to reflect changed or deprecated features in Lean 4. | 3867 |
v4.8.0 | Docs | Revises doc references in sections related to config or options. | 3864 |
v4.8.0 | Docs | Cleanups in doc references for library usage or style. | 3860 |
v4.8.0 | Docs | Minor enhancements for code examples in doc strings. | 3859 |
v4.8.0 | Docs | Doc improvements for certain library modules or theorems. | 3871 |
v4.8.0 | Docs | Expands user documentation and references for advanced usage. | 3919 |
v4.8.0 | Lean internals (Defeq and WHNF) | Adds better support for reducing Nat.rec expressions. | 3616 |
v4.8.0 | Lean internals (Defeq and WHNF) | Adds tracing for non-easy WHNF cases. | 3774 |
v4.8.0 | Lean internals (Defeq and WHNF) | Fixes isDefEq performance by trying structure eta after lazy delta. | 3807 |
v4.8.0 | Lean internals (Defeq and WHNF) | Prevents transparency level bump when reducing projections (yesWithDeltaI fix). | 3816 |
v4.8.0 | Lean internals (Defeq and WHNF) | Improves heuristics in isDefEq for certain matching scenarios. | 3837 |
v4.8.0 | Lean internals (Defeq and WHNF) | Enhances isDefEq to handle constraints like t.i =?= s.i more efficiently. | 3965 |
v4.8.0 | Lean internals (Defeq and WHNF) | Improves isDefEqProj logic for projections. | 3977 |
v4.8.0 | Lean internals (Defeq and WHNF) | Adds universe constraint approximations (u=?=max u ?v => ?v = u). | 3981 |
v4.8.0 | Lean internals (Defeq and WHNF) | Improves isDefEqProj in typeclass resolution contexts. | 4004 |
v4.8.0 | Lean internals (Defeq and WHNF) | Adds backward.isDefEq.lazyProjDelta and lazyWhnfCore for compat. | 4012 |
v4.8.0 | Lean internals (Kernel) | Removes dead code in the kernel. | 3966 |
v4.8.0 | Lean internals (Kernel) | Fixes mismatch for TheoremVal between Lean and C++ implementations. | 4035 |
v4.8.0 | Lean internals (Typeclass instance synthesis) | Eta-reduces synthesized instances to avoid unnecessary lambdas. | 3638 |
v4.8.0 | Lean internals (Typeclass instance synthesis) | Adds backward.synthInstance.canonInstances and restricts subgoals lacking metavars. | 4008 |
v4.8.0 | Lean internals (Definition processing) | Renames automatically generated equational theorems to .eq_<idx> instead of ._eq_<idx>. | 3661 |
v4.8.0 | Lean internals (Definition processing) | Refines equational theorem naming from ._unfold to .eq_def. | 3767 |
v4.8.0 | Lean internals (Definition processing) | Adds a mechanism to reserve names for certain definitions or theorems. | 3675 |
v4.8.0 | Lean internals (Definition processing) | Fixes name resolution for reserved names in namespaces and matchers. | 3803 |
v4.8.0 | Lean internals (Definition processing) | Treats nested non-proof definitions inside theorems as def instead of theorem. | 3662 |
v4.8.0 | Lean internals (Definition processing) | Makes proposition fields of structures automatically theorems. | 4006 |
v4.8.0 | Lean internals (Definition processing) | Issues an error if a theorem is marked extern. | 4018 |
v4.8.0 | Lean internals (Definition processing) | Improves performance for well-founded recursive definition equation generation. | 4047 |
v4.8.0 | Lean internals (Refactors) | Avoids unfolding in Lean.Meta.evalNat for simpler evaluation steps. | 3614 |
v4.8.0 | Lean internals (Refactors) | Centralizes Fix/GuessLex/FunInd logic in ArgsPacker module. | 3621 |
v4.8.0 | Lean internals (Refactors) | Rewrites the UnusedVariable linter for better performance. | 3186 |
v4.8.0 | Lean internals (Refactors) | Removes the coercion from String to Name, requiring manual mkSimple. | 3589 |
v4.8.0 | Lean internals (Refactors) | Removes lines field from FileMap, simplifying file mapping logic. | 3237 |
v4.8.0 | Lean internals (Refactors) | Makes the msg parameter to throwTacticEx optional for convenience. | 3951 |
v4.8.0 | Lean internals (Diagnostics) | Adds set_option diagnostics true to track unfolded declarations, etc. | 4016 |
v4.8.0 | Lean internals (Diagnostics) | Adds counters for used instances, reducible decls, isDefEq heuristics in diagnostics. | 4019 |
v4.8.0 | Lean internals (Diagnostics) | Expands diagnostic counters to recursor reductions and more details. | 4020 |
v4.8.0 | Lean internals (Diagnostics) | Displays exceptional hints for deterministic timeout with diagnostics true. | 4030 |
v4.8.0 | Lean internals (Diagnostics) | Shows max recursion info in diagnostics at certain failing points. | 4031 |
v4.8.0 | Lean internals (Diagnostics) | Adds set_option diagnostics for congruence theorem generation stats. | 4049 |
v4.8.0 | Lean internals (Other features) | Adds environment extension marking which defs use structural or well-founded recursion. | 3800 |
v4.8.0 | Lean internals (Other features) | Allows trace.profiler output to be exported to Firefox Profiler format. | 3801 |
v4.8.0 | Lean internals (Other features) | Introduces @[builtin_doc] attribute to store docs/location as builtin metadata. | 3918 |
v4.8.0 | Lean internals (Other features) | Extends builtin_doc usage or storage to more declarations. | 3953 |
v4.8.0 | Lean internals (Other features) | Adds lean --json CLI to print messages as JSON for external tooling. | 3939 |
v4.8.0 | Lean internals (Other features) | Improves test_extern command for verifying external definitions. | 3075 |
v4.8.0 | Lean internals (Other features) | Provides a monadic generalization of FindExpr, rewriting prior approach. | 3970 |
v4.8.0 | Lean internals (Docs) | Additional documentation clarifying internal Lean modules or flows. | 3743 |
v4.8.0 | Lean internals (Docs) | Expands doc references for elaboration or kernel internals. | 3921 |
v4.8.0 | Lean internals (Docs) | Documents new or refactored internal definitions in the Lean codebase. | 3954 |
v4.8.0 | Lean internals (Other fixes) | Addresses certain edge cases in internal elaboration (#3622). | 3622 |
v4.8.0 | Lean internals (Other fixes) | Fixes issues with a parse or macro usage (#3726). | 3726 |
v4.8.0 | Lean internals (Other fixes) | Resolves partial flaws in auto-bound implicits (#3823). | 3823 |
v4.8.0 | Lean internals (Other fixes) | Improves logic in certain kernel or meta checks (#3897). | 3897 |
v4.8.0 | Lean internals (Other fixes) | Corrects a bug in isDefEq or transparency usage (#3964). | 3964 |
v4.8.0 | Lean internals (Other fixes) | Fixes mismatch in environment handling (#3946). | 3946 |
v4.8.0 | Lean internals (Other fixes) | Resolves an issue in a certain elaboration step (#4007). | 4007 |
v4.8.0 | Lean internals (Other fixes) | Adjusts or cleans up code for tactic usage (#4026). | 4026 |
v4.8.0 | Compiler, runtime, and FFI | Allocates/frees thread-local runtime resources for threads not started by Lean. | 3632 |
v4.8.0 | Compiler, runtime, and FFI | Improves error message about compacting closures for clarity. | 3627 |
v4.8.0 | Compiler, runtime, and FFI | Fixes a deadlock in IO.Promise.resolve calls. | 3692 |
v4.8.0 | Compiler, runtime, and FFI | Catches MoveFileEx errors on Windows for better diagnostics. | 3753 |
v4.8.0 | Compiler, runtime, and FFI | Fixes double reset bug in ResetReuse transformation for memory reuse. | 4028 |
v4.8.0 | Lake (TOML configuration) | Adds support for lakefile.toml as alternative to lakefile.lean with partial feature set. | 3298 |
v4.8.0 | Lake (TOML configuration) | Introduces lake translate-config for migrating .lean to .toml or vice versa. | 4104 |
v4.8.0 | Lake (Build progress overhaul) | Overhauls build flow with a top-level Lake build monitor for standardized logs. | 3835 |
v4.8.0 | Lake (Build progress overhaul) | Improves job isolation so stray I/O or import errors don't abort entire build. | 4115 |
v4.8.0 | Lake (Build progress overhaul) | Adds color and in-place progress lines with --ansi or --no-ansi. | 4127 |
v4.8.0 | Lake (Build progress overhaul) | Implements --wfail and --iofail to fail on warnings or log messages. | 4220 |
v4.8.0 | Lake (Build progress overhaul) | Refines build job output formatting for consistent progress reporting. | 4232 |
v4.8.0 | Lake (Build progress overhaul) | Localizes module import errors to their respective build jobs. | 4236 |
v4.8.0 | Lake (lake test) | Adds a built-in lake test command to run a test_runner-labeled script/exe. | 3779 |
v4.8.0 | Lake (lake lean) | New command lake lean <file> builds the imports before running lean on it. | 3793 |
v4.8.0 | Lake (Other fixes) | Adds LEAN_GITHASH env var to override Git hash used in trace computation. | 3609 |
v4.8.0 | Lake (Other fixes) | Improves relative package directory path normalization in pre-rename checks. | 3795 |
v4.8.0 | Lake (Other fixes) | Fixes handling of packages repeated in a dependency tree. | 3957 |
v4.8.0 | Lake (Other fixes) | Makes it an error if package name mismatches the require name, warns about std->batteries rename. | 3999 |
v4.8.0 | Lake (Other fixes) | Fixes quiet mode so it suppresses build output properly. | 4033 |
v4.8.0 | Lake (Docs) | Adds or updates Lake documentation for usage and advanced config options. | 3704 |
v4.8.0 | DevOps | Adds a release process checklist for maintainers to follow. | 3536 |
v4.8.0 | DevOps | Extends the release checklist or merges improvements to it. | 3833 |
v4.8.0 | DevOps | Runs nix-ci more uniformly across different build/test steps. | 3600 |
v4.8.0 | DevOps | Avoids argument limit issues on Windows builds by adjusting build scripts. | 3612 |
v4.8.0 | DevOps | Builds Lean's .o files in parallel with other core components. | 3682 |
v4.8.0 | DevOps | Changes how Lean is built on Windows, requiring dynamic linking for supportInterpreter. | 3601 |
v4.8.0 | DevOps | Marks 'Build matrix complete' as canceled if the entire build is canceled. | 3690 |
v4.8.0 | DevOps | Fixes or updates CI steps for certain steps like #3700 usage. | 3700 |
v4.8.0 | DevOps | Refines workflow steps to handle #3702 improvements in CI scripts. | 3702 |
v4.8.0 | DevOps | Additional fix or improvement in #3701 for std/mathlib CI integration. | 3701 |
Subsets and Splits