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v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Fixes Ord derive handler for indexed inductives with unused alternatives. | 3725 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Improves performance of derived Ord instances. | 3893 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Changes error reporting for failing tactic macros, e.g. rfl no-goal error. | 3771 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Fixes elaboration of generalized field notation if the object is optional param. | 3745 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Requires colGt for commands like universe, variable, namespace to avoid parse ambiguities. | 3799 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Lets split tactic be used in code contexts, not just proofs. | 3815 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Adds missing info for induction with with-clauses (| cstr a b => ?_). | 3822 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Fixes withSetOptionIn combinator usage. | 3806 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Removes unused trace.Elab.syntax option. | 3844 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Improves hover/go-to-def for attribute command usage. | 3896 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Makes linter options more discoverable. | 3989 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Fixes go-to-def for syntax from @[builtin_term_parser]. | 3916 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Makes solveByElim handle symm lemmas correctly, re-enabling exact?/apply?. | 3962 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Improves the @[deprecated] attribute to accept (since := "<date>"). | 3968 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Makes #print show structure fields. | 3768 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Makes exact?% behave like by exact? rather than by apply?. | 3974 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Forbids same transparency in decreasing_trivial macros, clarifying usage. | 3994 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Adjusts transparency for he ▸ h notation elaboration. | 3991 |
v4.8.0 | Language features, tactics, and metaprograms (Misc fixes) | Speeds up binop%/binrel% expression tree elaborators. | 4092 |
v4.8.0 | Docs | Documentation improvements and clarifications for various Lean 4 features. | 3748 |
v4.8.0 | Docs | Adds or refines doc examples in the Lean codebase. | 3796 |
v4.8.0 | Docs | More usage examples and reference docs for Lean 4 tactics. | 3800 |
v4.8.0 | Docs | Documents further config and internal details of Lean 4. | 3874 |
v4.8.0 | Docs | Adds clarifications and usage notes for advanced Lean concepts. | 3863 |
v4.8.0 | Docs | Expands documentation on certain language constructs or modules. | 3862 |
v4.8.0 | Docs | Improves doc references for library code or syntax usage. | 3891 |
v4.8.0 | Docs | Refines doc strings for macros or commands. | 3873 |
v4.8.0 | Docs | Explains minor details in the reference about Lean code structure. | 3908 |
v4.8.0 | Docs | Adds a few clarifications to specialized doc topics. | 3872 |
v4.8.0 | Language server and IDE | Enables auto-completions for import statements in the server. | 3602 |
v4.8.0 | Language server and IDE | Fixes off-by-one errors in diagnostic ranges (#392 in vscode-lean4). | 3608 |
v4.8.0 | Language server and IDE | Introduces snapshot trees for incremental tactics/parallelism foundation. | 3014 |
v4.8.0 | Language server and IDE | Adds a basic incrementality API for snapshot-based elaboration. | 3849 |
v4.8.0 | Language server and IDE | Allows server-to-client requests for advanced IDE features. | 3271 |
v4.8.0 | Language server and IDE | Fixes jump to definition with conflicting names from different files (#1170). | 3656 |
v4.8.0 | Language server and IDE | Keeps semantic tokens in sync, improving performance of semantic highlighting. | 3691 |
v4.8.0 | Language server and IDE | Further optimizes or stabilizes semantic tokens usage in the LSP server. | 3925 |
v4.8.0 | Language server and IDE | Enhances synchronization or correctness in semantic tokens logic. | 3932 |
v4.8.0 | Language server and IDE | Shows diagnostics suggesting 'Restart File' when a file dependency is saved. | 3247 |
v4.8.0 | Language server and IDE | Adds more diagnostics for 'Restart File' usage in the server. | 3730 |
v4.8.0 | Language server and IDE | Uses correct module names in references or highlight output. | 3722 |
v4.8.0 | Language server and IDE | Makes errors in the file header appear reliably, sets 'Import out of date' warning severity as hint. | 3728 |
v4.8.0 | Language server and IDE | Simplifies text of 'Import out of date' warning message. | 3739 |
v4.8.0 | Language server and IDE | Fixes info nodes from before the cursor being used for completions (#3462). | 3778 |
v4.8.0 | Language server and IDE | Displays trace timings in Infoview for deeper performance insight. | 3985 |
v4.8.0 | Pretty printing | Fixes hovers over binders so that they show types properly. | 3797 |
v4.8.0 | Pretty printing | Adds attribute @[pp_using_anonymous_constructor] for structures to print as ⟨x,y,z⟩. | 3640 |
v4.8.0 | Pretty printing | Expands usage of @[pp_using_anonymous_constructor] on structures like Sigma/PSigma. | 3735 |
v4.8.0 | Pretty printing | Inlines parent-structure fields for structure instance printing by default. | 3749 |
v4.8.0 | Pretty printing | Renames pp.structureProjections to pp.fieldNotation, adding suboption generalized. | 3737 |
v4.8.0 | Pretty printing | Allows disabling or restricting field notation on a function-by-function basis. | 3744 |
v4.8.0 | Pretty printing | Ensures no field notation is used on theorems, only definitions or functions. | 3750 |
v4.8.0 | Pretty printing | Fixes interaction between app unexpanders and pp.fieldNotation.generalized. | 4071 |
v4.8.0 | Pretty printing | Makes delabConstWithSignature put arguments after the colon when needed. | 3625 |
v4.8.0 | Pretty printing | Adds option pp.mvars (default true) and pp.mvars.withType (default false). | 3798 |
v4.8.0 | Pretty printing | Shows expression metavariables with type info if pp.mvars.withType is true. | 3978 |
v4.8.0 | Pretty printing | Hides or shortens metavariable names if pp.mvars is false. | 3980 |
v4.8.0 | Pretty printing | Makes binders hoverable in code with docstrings displayed. | 3917 |
v4.8.0 | Pretty printing | Shows correct term in hovers for RHS of match expressions in Infoview. | 4034 |
v4.8.0 | Library (Bool/Prop) | Improves simp confluence for mixing Bool and Prop terms. | 3508 |
v4.8.0 | Library (Bool/Prop) | Adds more theorems or simplification rules for Bool/Prop usage. | 3604 |
v4.8.0 | Library (Nat) | Makes Nat.succ_eq_add_one a simp lemma, aligning with n+1 usage. | 3579 |
v4.8.0 | Library (Nat) | Replaces Nat.succ rules with simprocs for simpler rewriting. | 3808 |
v4.8.0 | Library (Nat) | Adds faster Nat.repr implementation in C. | 3876 |
v4.8.0 | Library (Int) | Adds or refines Int theorems for integer operations. | 3890 |
v4.8.0 | Library (UInt) | Improves performance of UInt upcasting operations. | 3960 |
v4.8.0 | Library (Array/Subarray) | Removes Array.eraseIdxAux, eraseIdxSzAux, eraseIdx'. | 3676 |
v4.8.0 | Library (Array/Subarray) | Simplifies Array.findIdx? implementation. | 3648 |
v4.8.0 | Library (Array/Subarray) | Renames Subarray fields from as/h₁/h₂ to array/start_le_stop/stop_le_array_size. | 3851 |
v4.8.0 | Library (List) | Upstreams tail-recursive List operations and @[csimp] lemmas. | 3785 |
v4.8.0 | Library (BitVec) | Adds or refines BitVec theorems for shifting/rotation, rewriting, etc. | 3593 |
v4.8.0 | Library (BitVec) | Further updates BitVec theorems for various operations. | 3597 |
v4.8.0 | Library (BitVec) | Extends BitVec rewriting rules or proofs. | 3598 |
v4.8.0 | Library (BitVec) | Adds additional BitVec lemmas or theorems (like rotation). | 3721 |
v4.8.0 | Library (BitVec) | Refines BitVec usage with advanced rewriting or equivalences. | 3729 |
v4.8.0 | Library (BitVec) | Provides more BitVec facts for numeric reasoning. | 3880 |
v4.8.0 | Library (BitVec) | Adds further expansions or corrections to BitVec theorems. | 4039 |
v4.8.0 | Library (BitVec) | Protects Std.BitVec to avoid undesired overshadowing or redefinition. | 3884 |
v4.8.0 | Library (String) | Fixes String.splitOn function behavior. | 3832 |
v4.8.0 | Library (String) | Adds String.Pos.isValid and UTF-8 string validation logic. | 3959 |
v4.8.0 | Library (String) | Implements a reference model for UTF-8 encoding/decoding in String. | 3961 |
v4.8.0 | Library (IO) | Adds IO.getTaskState to check a task's runtime state (finished/running/waiting). | 4097 |
v4.8.0 | Library (Refactors) | Reduces imports for Init.Data.Nat and Init.Data.Int. | 3605 |
v4.8.0 | Library (Refactors) | Reduces imports for Init.Omega.Int, making it leaner. | 3613 |
v4.8.0 | Library (Refactors) | Upstreams Std.Data.Nat into core Lean library. | 3634 |
v4.8.0 | Library (Refactors) | Upstreams Std.Data.Int into core Lean library. | 3635 |
v4.8.0 | Library (Refactors) | Further import reductions for omega-related modules. | 3790 |
v4.8.0 | Library (Refactors) | Extends GetElem interface with getElem! and getElem? for containers. | 3694 |
v4.8.0 | Library (Refactors) | Renames Option.toMonad to Option.getM, removing unneeded Monad argument. | 3865 |
v4.8.0 | Library (Refactors) | Merges lexOrd with compareLex for consistent lexicographic ordering. | 3882 |
v4.8.0 | Library (Other fixes/improvements) | Makes Quotient.sound a theorem instead of a definition. | 3765 |
v4.8.0 | Library (Other fixes/improvements) | Fixes System.FilePath.parent for absolute paths on certain platforms. | 3645 |
v4.8.0 | Library (Other fixes/improvements) | Corrects ByteArray.toUInt64LE!/toUInt64BE! being swapped. | 3660 |
v4.8.0 | Library (Other fixes/improvements) | Fixes linearity in HashMap.insertIfNew, HashSet.erase, HashMap.erase. | 3881 |
v4.8.0 | Library (Other fixes/improvements) | Further linearity fix for certain HashSet or HashMap operations. | 3887 |
v4.8.0 | Library (Other fixes/improvements) | Ensures linearity in Parsec.many*Core loops. | 3830 |
v4.8.0 | Library (Other fixes/improvements) | Adds FS.Stream.isTty field for checking TTY state in streams. | 3930 |
v4.8.0 | Library (Other fixes/improvements) | Deprecates Option.toBool in favor of Option.isSome. | 3866 |
v4.8.0 | Library (Other fixes/improvements) | Upstreams Data.List.Init and Data.Array.Init from Std. | 3975 |
v4.8.0 | Library (Other fixes/improvements) | Adds instances so ac_rfl can work without Mathlib. | 3942 |
Subsets and Splits