Version
stringclasses 20
values | section
stringclasses 275
values | text
stringlengths 14
1.01k
| pull request
stringlengths 3
15
|
|---|---|---|---|
v4.8.0
|
DevOps
|
Tweaks or merges #3834 improvements for standard library CI.
|
3834
|
v4.8.0
|
DevOps
|
Applies #3923 changes for mathlib CI or general project CI improvements.
|
3923
|
v4.8.0
|
DevOps
|
Fixes nix build . on macOS (#3712).
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3712
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v4.8.0
|
DevOps
|
Replaces shell.nix with flake.nix in devShell (#3717).
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3717
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v4.8.0
|
DevOps
|
Adds test result summaries after certain runs (#3715).
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3715
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v4.8.0
|
DevOps
|
Prevents stage0 changes from merging without proper checks (#3971).
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3971
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v4.8.0
|
DevOps
|
Adds handling for changes-stage0 label in the merge queue (#3979).
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3979
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v4.8.0
|
DevOps
|
Adds a script to summarize GitHub issues (#3952).
|
3952
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v4.8.0
|
Breaking changes
|
Large Lake build refactor changes output format and certain Lake APIs.
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3601
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v4.8.0
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Breaking changes
|
Executables with supportInterpreter on Windows must run via lake exe to find DLLs.
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3601
|
v4.8.0
|
Breaking changes
|
Equational theorems renamed from ._eq_<idx> to .eq_<idx>, and ._unfold to .eq_def.
|
3661
|
v4.7.0
|
Language features
|
Simp and rw skip instance resynthesis by default; revert with `set_option tactic.skipAssignedInstances false`.
|
3507
|
v4.7.0
|
Language features
|
Simp and rw skip instance resynthesis by default; revert with `set_option tactic.skipAssignedInstances false`.
|
3509
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v4.7.0
|
Pretty printing
|
When `pp.proofs = false`, omitted proofs now display as `⋯` instead of `_`.
|
3241
|
v4.7.0
|
Pretty printing
|
pp.proofs.withType is now false by default.
|
none
|
v4.7.0
|
Pretty printing
|
App delaborator handles over-application so extra-arg cases in app_unexpanders are unnecessary.
|
3495
|
v4.7.0
|
Simp/dsimp config
|
Adds `zetaDelta` option (false by default); see #2682 for details on zeta vs zetaDelta.
|
2682
|
v4.7.0
|
Simp local theorems
|
Local theorems for simp assume function arguments are `no_index`, restoring Lean 3 behavior.
|
2670
|
v4.7.0
|
Tactics
|
Improved error messages for `decide` tactic.
|
3422
|
v4.7.0
|
IDE/Performance
|
Improved auto-completion performance.
|
3460
|
v4.7.0
|
IDE/Performance
|
Faster initial language server startup.
|
3552
|
v4.7.0
|
IDE/Call hierarchy
|
Sort entries and remove private header from displayed names in call hierarchy.
|
3482
|
v4.7.0
|
Parsing
|
Added a low-level error recovery combinator for DSLs.
|
3413
|
v4.7.0
|
Termination inference
|
`termination_by?` reveals inferred argument and can convert to `termination_by` via code action.
|
3514
|
v4.7.0
|
Arithmetic ops
|
`/` and `%` on `Int` now use `Int.ediv` and `Int.emod`, with kernel support. (Change for non-Std users.)
|
3376
|
v4.7.0
|
omega tactic
|
Now in core; supplemented by `bv_omega` for BitVec linear arithmetic.
|
3435
|
v4.7.0
|
omega tactic
|
Supports `Fin` type.
|
3427
|
v4.7.0
|
omega tactic
|
Supports `<<<` operator.
|
3433
|
v4.7.0
|
omega tactic
|
No longer identifies atoms up to definitional equality; can't prove `id x ≤ x` automatically.
|
3525
|
v4.7.0
|
omega tactic
|
Used in Lean's automation for termination proofs.
|
3503
|
v4.7.0
|
omega tactic
|
Used in array indexing proofs.
|
3515
|
v4.7.0
|
Library search tactics
|
`exact?`/`apply?`/`solve_by_elim` from Std are now in core Lean.
|
none
|
v4.7.0
|
Tactic commands
|
New `#check_tactic` and `#check_simp` for verifying tactic behavior.
|
none
|
v4.7.0
|
App unexpanders
|
Delaborator tries unexpanders on every prefix, registering TermInfo properly for subexpressions.
|
3375
|
v4.7.0
|
Breaking changes
|
Stronger `MonadAlwaysExcept` requirement for `Lean.withTraceNode` and variants.
|
none
|
v4.7.0
|
Breaking changes
|
`match ... with.` replaced by `nomatch` syntax from Std.
|
3279
|
v4.7.0
|
Breaking changes
|
`fun.` replaced by `nofun` syntax from Std.
|
3286
|
v4.7.0
|
simp bugfixes
|
Avoid crash when `simp` loops indefinitely.
|
3269
|
v4.7.0
|
simp bugfixes
|
`simp` no longer gets stuck on autoParam premises.
|
3315
|
v4.7.0
|
simp bugfixes
|
`simp` doesn't fail when a custom discharger makes no progress.
|
3317
|
v4.7.0
|
simp bugfixes
|
`simp` can now discharge autoParam premises reduced to True.
|
3314
|
v4.7.0
|
simp bugfixes
|
`simp?` suggests generated equation lemma names (part 1).
|
3547
|
v4.7.0
|
simp bugfixes
|
`simp?` suggests generated equation lemma names (part 2).
|
3573
|
v4.7.0
|
match expressions
|
Fix regression with builtin literals in match.
|
3521
|
v4.7.0
|
match expressions
|
Accept match over BitVec finite types.
|
3538
|
v4.7.0
|
match expressions
|
Fix matching on Int literals.
|
3504
|
v4.7.0
|
match expressions
|
Allow patterns containing int values/constructors in match.
|
3496
|
v4.7.0
|
termination_by
|
Improved error messages for `termination_by` usage.
|
3255
|
v4.7.0
|
rename_i fix
|
Fix rename_i in macros (part 1).
|
3553
|
v4.7.0
|
rename_i fix
|
Fix rename_i in macros (part 2).
|
3581
|
v4.7.0
|
generalize tactic
|
Fix excessive resource usage in `generalize` (part 1).
|
3524
|
v4.7.0
|
generalize tactic
|
Fix excessive resource usage in `generalize` (part 2).
|
3575
|
v4.7.0
|
equation lemma
|
AutoParam arguments fail to rewrite (part 1).
|
2243
|
v4.7.0
|
equation lemma
|
AutoParam arguments fail to rewrite (part 2).
|
3316
|
v4.7.0
|
add_decl_doc
|
`add_decl_doc` now checks that declarations are local.
|
3311
|
v4.7.0
|
inductives fix
|
Instantiate types of inductives with correct parameters (part 1).
|
3242
|
v4.7.0
|
inductives fix
|
Instantiate types of inductives with correct parameters (part 2).
|
3246
|
v4.7.0
|
simprocs
|
New simprocs for many basic types.
|
3407
|
v4.7.0
|
Lake fixes
|
Warn on cloud release fetch failures.
|
3401
|
v4.7.0
|
Lake fixes
|
Handle trace & `lake build :release` errors better.
|
3248
|
v4.6.1
|
Performance
|
Backport of #3552 fixing a performance regression in server startup.
|
3552
|
v4.6.0
|
Simp
|
Added custom simplification procedures (simprocs) to `simp`, controllable via `set_option simprocs false` or by specifying them in `simp` commands.
|
none
|
v4.6.0
|
Termination hints
|
Overhauled `termination_by` and `decreasing_by` syntax and placement, removing function names and placing them next to their respective definitions.
|
none
|
v4.6.0
|
Termination hints
|
Changed semantics of `decreasing_by` so the tactic is applied to all termination proof goals together.
|
none
|
v4.6.0
|
InfoTree.context
|
Modified to allow partial contexts during command elaboration, breaking some manual InfoTree traversals.
|
3159
|
v4.6.0
|
Language server
|
Added call hierarchy support; requires a full rebuild for new .ilean format.
|
3082
|
v4.6.0
|
Structure instances
|
Multiple sources are filled strictly left-to-right, avoiding unnecessary eta expansion and reducing CPU usage.
|
2478
|
v4.6.0
|
Structure instances
|
RFC discussion for the new structure instance elaborator approach.
|
2451
|
v4.6.0
|
Pretty printing
|
Added `pp.deepTerms` and `pp.deepTerms.threshold` to omit printing deeply nested terms.
|
3201
|
v4.6.0
|
Pretty printing
|
Added `pp.numeralTypes` and `pp.natLit` options to show type ascriptions on number literals or print them as `nat_lit`.
|
2933
|
v4.6.0
|
Pretty printing
|
Further discussion about numeral printing conventions.
|
3021
|
v4.6.0
|
Lake
|
Improved platform information and control.
|
3226
|
v4.6.0
|
Lake
|
Allowed `lake update` from unsupported manifest versions.
|
3149
|
v4.6.0
|
Other improvements
|
`intro` now aware of `let_fun`.
|
3115
|
v4.6.0
|
Other improvements
|
Produce simpler proof terms in `rw` tactic.
|
3121
|
v4.6.0
|
Other improvements
|
Fuse nested `mkCongrArg` calls in `simp` proofs.
|
3203
|
v4.6.0
|
Other improvements
|
`induction using` now supports a general term.
|
3188
|
v4.6.0
|
Other improvements
|
Allow generalization in `let`; fixes #3065.
|
3060
|
v4.6.0
|
Other improvements
|
Out-of-bounds `swap!` returns `a`, not `default`; fixes #3196.
|
3197
|
v4.6.0
|
Other improvements
|
Derive `BEq` on structures with `Prop` fields; fixes #3140.
|
3191
|
v4.6.0
|
Other improvements
|
Refine through more `casesOnApp`/`matcherApp`; fixes #3175.
|
3176
|
v4.6.0
|
Other improvements
|
Do not strip dotted components from module names; fixes #2999.
|
2994
|
v4.6.0
|
Other improvements
|
Fix `deriving` only applying to the first declaration; fixes #3057.
|
3058
|
v4.6.0
|
Other improvements
|
Prevent metavariable instantiation for disallowed occurrences in kabstract/rw; fixes #2538.
|
2539
|
v4.6.0
|
Other improvements
|
Hover info for `cases h : ...` constructs.
|
3084
|
v4.5.0
|
String syntax
|
Modify lexical syntax of string literals to have string gaps, allowing multi-line strings without extra whitespace.
|
2821
|
v4.5.0
|
String syntax
|
Discussion of string-gap design and motivation in RFC #2838.
|
2838
|
v4.5.0
|
String syntax
|
Add raw string literal syntax: `r"..."` with optional `#` for quoting double quotes inside.
|
2929
|
v4.5.0
|
String syntax
|
Issue tracking raw string literal request and design details.
|
1422
|
v4.5.0
|
Termination
|
Removed `termination_by'`; use `termination_by` or `WellFounded.wrap` as alternatives.
|
none
|
v4.5.0
|
LSP
|
Support snippet edits in `TextEdit`s (see `Lean.Lsp.SnippetString`) for advanced code actions.
|
none
|
v4.5.0
|
Widget API
|
UserWidgetDefinition→Widget.Module; see `@[widget_module]`. Also adds `show_panel_widgets` and `RpcEncodable` props in infotree.
|
2963
|
v4.5.0
|
Termination inference
|
If no lexicographic measure is found, an explanation is given to help with debugging.
|
2960
|
v4.5.0
|
Termination inference
|
`set_option showInferredTerminationBy true` prints auto-generated `termination_by` clauses.
|
3012
|
v4.5.0
|
Mutual blocks
|
More detailed errors for invalid mutual recursion blocks.
|
2949
|
v4.5.0
|
simp?
|
Improvements to the output of `simp?` and `simp_all?` (first set).
|
2923
|
v4.5.0
|
simp?
|
Further improvements to `simp?` and `simp_all?` (second set).
|
2969
|
v4.5.0
|
Tactics
|
Tactics using `withLocation *` no longer fail if they close the main goal.
|
2917
|
v4.5.0
|
Extern testing
|
New `test_extern` command for testing `@[extern]` or `@[implemented_by]` functions.
|
none
|
v4.5.0
|
Bug fixes
|
Fixes for issues #2853, #2953, #2966, #2971, #2990, #3094.
|
none
|
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