version
stringclasses 7
values | category
stringclasses 15
values | type
stringclasses 5
values | change
stringlengths 11
174
| change_number
listlengths 1
4
|
|---|---|---|---|---|
8.20.0
|
Kernel
|
Changed
|
The guard checker now recognizes uniform parameters of a fixpoint and treats their instances as constant over the recursive call
|
[
"17986",
"16040"
] |
8.20.0
|
Kernel
|
Added
|
A mechanism to add user-defined rewrite rules to Coq's reduction mechanisms; see chapter :ref:`rewrite_rules`
|
[
"18038"
] |
8.20.0
|
Kernel
|
Added
|
Support for primitive strings in terms
|
[
"18973"
] |
8.20.0
|
Specification language, type inference
|
Changed
|
Warnings `future-coercion-class-constructor` and `future-coercion-class-field` about `:>` in :cmd:`Class` as errors by default; replace `:>` with `::` for typeclass instances
|
[
"18590"
] |
8.20.0
|
Specification language, type inference
|
Changed
|
Mutually-proved theorems with statements in different coinductive types now supported
|
[
"18743"
] |
8.20.0
|
Specification language, type inference
|
Added
|
:cmd:`CoFixpoint` supports attributes `bypass_guard`, `clearbody`, `deprecated`, and `warn`
|
[
"18754"
] |
8.20.0
|
Specification language, type inference
|
Added
|
`Program Fixpoint` with `measure` or `wf` now supports `where` clauses, `local`/`clearbody` attributes, and non-atomic conclusions
|
[
"18834"
] |
8.20.0
|
Specification language, type inference
|
Fixed
|
Anomaly on the absence of remaining obligations of some name is now an error
|
[
"18873",
"3889"
] |
8.20.0
|
Specification language, type inference
|
Fixed
|
Universe polymorphic `Program` obligations are now only generalized over effectively occurring universe variables
|
[
"18915",
"11766",
"11988"
] |
8.20.0
|
Specification language, type inference
|
Fixed
|
Anomaly `assertion failed` in pattern-matching compilation with :flag:`Program Mode`
|
[
"18921",
"5777",
"11030",
"11586"
] |
8.20.0
|
Specification language, type inference
|
Fixed
|
Support for `Program`-style pattern-matching on more than one argument in an inductive family
|
[
"18929",
"1956",
"5777"
] |
8.20.0
|
Specification language, type inference
|
Fixed
|
Anomaly with obligations in the binders of a `measure`- or `wf`-based `Program Fixpoint`
|
[
"18958",
"18920"
] |
8.20.0
|
Specification language, type inference
|
Fixed
|
Incorrect registration of universe names attached to a primitive polymorphic constant
|
[
"19100",
"19099"
] |
8.20.0
|
Notations
|
Changed
|
An :g:`only printing` interpretation of a notation with a specific format no longer changes printing rules of other interpretations
|
[
"16329",
"16262"
] |
8.20.0
|
Notations
|
Changed
|
Levels of :cmd:`Reserved Notation` now default to levels of previous notations with longest common prefix
|
[
"19149"
] |
8.20.0
|
Notations
|
Added
|
:warn:`closed-notation-not-level-0` and :warn:`postfix-notation-not-level-1` warnings for unusual levels
|
[
"18588"
] |
8.20.0
|
Notations
|
Added
|
:warn:`notation-incompatible-prefix` warning when two notation definitions have incompatible prefixes
|
[
"19049"
] |
8.20.0
|
Notations
|
Fixed
|
Notations for applied constants with multiple signatures of implicit arguments now correctly insert maximal implicit arguments
|
[
"18445"
] |
8.20.0
|
Notations
|
Fixed
|
Support printing notations applied to extra arguments in custom entries, removing an anomaly
|
[
"18447",
"18342"
] |
8.20.0
|
Tactics
|
Changed
|
:g:`Z.to_euclidean_division_equations` can now do better reasoning when noticing two equations of the form x = y*q1 + … and x = y*q2 + …
|
[
"17934"
] |
8.20.0
|
Tactics
|
Changed
|
The opacity/transparency of primitive projections is now attached to the projections themselves, not the compatibility constants
|
[
"18327",
"18281"
] |
8.20.0
|
Tactics
|
Changed
|
Tactic :g:`intro z` on an existential variable goal now defines ?P in a context where the variable is named z
|
[
"18395"
] |
8.20.0
|
Tactics
|
Changed
|
Syntactic global references in `using` clauses of :tacn:`auto`-like tactics are now plain references rather than interpreted terms
|
[
"18909"
] |
8.20.0
|
Tactics
|
Changed
|
Use Coqlib's :cmd:`Register` for generalized rewriting tactic, making (C)RelationClasses/(C)Morphisms independent of the `rewrite` tactic
|
[
"19115"
] |
8.20.0
|
Tactics
|
Removed
|
The `clear` modifier, deprecated since 8.17
|
[
"18887"
] |
8.20.0
|
Tactics
|
Removed
|
The `cutrewrite` tactic, deprecated since Coq 8.5
|
[
"19027"
] |
8.20.0
|
Tactics
|
Deprecated
|
Non-reference hints in `using` clauses of :tacn:`auto`-like tactics
|
[
"19006"
] |
8.20.0
|
Tactics
|
Deprecated
|
The `gintuition` tactic
|
[
"19129"
] |
8.20.0
|
Tactics
|
Deprecated
|
:tacn:`destauto`
|
[
"19179"
] |
8.20.0
|
Tactics
|
Added
|
:g:`Z.to_euclidean_division_equations` can now pose equations of the form x = y*q using :g:`Z.divide`
|
[
"17927"
] |
8.20.0
|
Tactics
|
Added
|
Support for :g:`Nat.double` and :g:`Nat.div2` in :g:`zify` and :g:`lia`
|
[
"18729"
] |
8.20.0
|
Tactics
|
Added
|
:tacn:`replace` now accepts `->` / `<-` for direction of replacement
|
[
"19060",
"13480"
] |
8.20.0
|
Tactics
|
Fixed
|
:tacn:`simpl` systematically reuses the cofixpoint’s name if globally defined
|
[
"18576",
"4056"
] |
8.20.0
|
Tactics
|
Fixed
|
Reduction of primitive projections of cofixpoints by :tacn:`simpl`
|
[
"18577",
"7982"
] |
8.20.0
|
Tactics
|
Fixed
|
Refolding of reduced global mutual fixpoints/cofixpoints with parameters in :tacn:`cbn`
|
[
"18601",
"4056"
] |
8.20.0
|
Tactics
|
Fixed
|
:tacn:`cbn` left unnamable constants when refolding mutual fixpoints/cofixpoints from aliased modules
|
[
"18616",
"17897"
] |
8.20.0
|
Tactics
|
Fixed
|
:tacn:`cbv` of primitive projections applied to a tuple now ignores `beta`
|
[
"18618",
"9086"
] |
8.20.0
|
Ltac language
|
Added
|
:tacn:`rewrite_strat` now supports fixpoint operator in `@rewstrategy`
|
[
"18094",
"13702"
] |
8.20.0
|
Ltac language
|
Fixed
|
:tacn:`rewrite_strat` now works inside module functors
|
[
"18094",
"18463"
] |
8.20.0
|
Ltac2 language
|
Changed
|
Recursive let and nonmutable projections of syntactic values are considered syntactic
|
[
"18411"
] |
8.20.0
|
Ltac2 language
|
Changed
|
Ltac2 notations are typechecked at declaration time by default
|
[
"18432",
"17477"
] |
8.20.0
|
Ltac2 language
|
Changed
|
Argument order for `List.fold_left2` / `List.fold_right2` changed to match OCaml
|
[
"18706"
] |
8.20.0
|
Ltac2 language
|
Changed
|
`Import`ing a module with a mutable Ltac2 definition does not undo its mutations
|
[
"18713"
] |
8.20.0
|
Ltac2 language
|
Changed
|
The `using` clause argument of :tacn:`auto`-like tactics in Ltac2 now takes a global `reference`
|
[
"18940"
] |
8.20.0
|
Ltac2 language
|
Deprecated
|
`Ltac2.Constr.Pretype.Flags.open_constr_flags`
|
[
"18765"
] |
8.20.0
|
Ltac2 language
|
Added
|
`fst` and `snd` in `Ltac2.Init`
|
[
"18370"
] |
8.20.0
|
Ltac2 language
|
Added
|
`Ltac2.Ltac1.of_preterm` and `to_preterm`
|
[
"18551"
] |
8.20.0
|
Ltac2 language
|
Added
|
`of_intro_pattern` and `to_intro_pattern` in `Ltac2.Ltac1`
|
[
"18558"
] |
8.20.0
|
Ltac2 language
|
Added
|
Basic APIs in `Ltac2.Ltac1` for more informative errors on value conversion
|
[
"18558"
] |
8.20.0
|
Ltac2 language
|
Added
|
APIs `Ltac2.Control.unshelve` and `Ltac2.Notations.unshelve`
|
[
"18604"
] |
8.20.0
|
Ltac2 language
|
Added
|
Warning on unused Ltac2 variables
|
[
"18641"
] |
8.20.0
|
Ltac2 language
|
Added
|
`Ltac2.Control.numgoals`
|
[
"18690"
] |
8.20.0
|
Ltac2 language
|
Added
|
`intropattern` and `intropatterns` notation scopes support views
|
[
"18757"
] |
8.20.0
|
Ltac2 language
|
Added
|
Open recursion combinators in `Ltac2.Constr.Unsafe`
|
[
"18764"
] |
8.20.0
|
Ltac2 language
|
Added
|
APIs in `Ltac2.Constr.Pretype.Flags` to customize pretyping flags
|
[
"18765"
] |
8.20.0
|
Ltac2 language
|
Added
|
:attr:`abstract` attribute for `Ltac2 Type`
|
[
"18766",
"18656"
] |
8.20.0
|
Ltac2 language
|
Added
|
APIs in `Ltac2.Message` to interact with the boxing system of the pretty printer
|
[
"18988"
] |
8.20.0
|
Ltac2 language
|
Added
|
Flag `Automatic Proposition Inductives`, :flag:`Dependent Proposition Eliminators`, and warning `automatic-prop-lowering`
|
[
"18989"
] |
8.20.0
|
Ltac2 language
|
Added
|
`String.sub`
|
[
"19204"
] |
8.20.0
|
Ltac2 language
|
Fixed
|
`Ltac2.Control.new_goal` removes the new goal from the shelf/future goals
|
[
"19141",
"19138"
] |
8.20.0
|
SSReflect
|
Changed
|
ssreflect no longer relies on the recovery mechanism of the parsing engine
|
[
"18224"
] |
8.20.0
|
SSReflect
|
Changed
|
Notations `_.1` and `_.2` are now defined in the prelude at level 1 rather than in `ssrfun` at level 2
|
[
"18224"
] |
8.20.0
|
SSReflect
|
Changed
|
The :tacn:`have` tactic generates a proof term with an opaque constant, as in Coq ≤ 8.16
|
[
"18449",
"18017"
] |
8.20.0
|
SSReflect
|
Deprecated
|
The `fun_scope` notation scope declared in `ssrfun.v` is deprecated; use `function_scope` instead
|
[
"18374"
] |
8.20.0
|
SSReflect
|
Fixed
|
Handling of primitive projections in ssrewrite
|
[
"19213",
"19229"
] |
8.20.0
|
Commands and options
|
Changed
|
Default reversibility status of most coercions is now truly “non-reversible except record :>` fields”
|
[
"18705"
] |
8.20.0
|
Commands and options
|
Changed
|
Focus commands (e.g. `1:{`) and goal selection (e.g. `1: Check`) don’t need Classic (Ltac1) proof mode
|
[
"18707",
"18351"
] |
8.20.0
|
Commands and options
|
Changed
|
Inductives declared with `: Type` or no annotation and auto-lowered to `Prop` are not declared template polymorphic
|
[
"18867"
] |
8.20.0
|
Commands and options
|
Changed
|
Warning about use of `Let`, `Variable`, `Hypothesis`, and `Context` outside sections is now an error by default
|
[
"18880"
] |
8.20.0
|
Commands and options
|
Changed
|
The "fragile-hint-constr" warning is now an error by default
|
[
"18895"
] |
8.20.0
|
Commands and options
|
Changed
|
:cmd:`Scheme` automatically registers the resulting schemes in the :cmd:`Register Scheme` database
|
[
"19016",
"3132"
] |
8.20.0
|
Commands and options
|
Changed
|
:cmd:`Typeclasses Transparent` / `Opaque` default locality outside sections is now `export`
|
[
"19069"
] |
8.20.0
|
Commands and options
|
Deprecated
|
The :cmd:`Cd` command. Use the command line option `-output-directory` or :opt:`Extraction Output Directory`
|
[
"17403"
] |
8.20.0
|
Commands and options
|
Added
|
:attr:`warn` attribute, generalizing the deprecation machinery to other forms of comments
|
[
"18248"
] |
8.20.0
|
Commands and options
|
Added
|
:cmd:`Register Scheme` to add entries to the scheme database
|
[
"18299"
] |
8.20.0
|
Commands and options
|
Added
|
`Print @reference` shows implicit arguments directly on the type
|
[
"18444"
] |
8.20.0
|
Commands and options
|
Added
|
`@import_categories` supports category `options`
|
[
"18536"
] |
8.20.0
|
Commands and options
|
Added
|
`About`/`Print` now indicate if a name is a projection
|
[
"18725"
] |
8.20.0
|
Commands and options
|
Added
|
:cmd:`Hint Projections` sets transparency flags for projections in specified hint DBs
|
[
"18785"
] |
8.20.0
|
Commands and options
|
Added
|
:cmd:`Search` now has `is:Fixpoint` and `is:CoFixpoint`
|
[
"18983"
] |
8.20.0
|
Commands and options
|
Added
|
:cmd:`Include` can now include module types with `with` clauses
|
[
"19144"
] |
8.20.0
|
Commands and options
|
Fixed
|
Missing implicit args after a `->` in `Print`/`About`
|
[
"18442",
"15020"
] |
8.20.0
|
Commands and options
|
Fixed
|
:flag:`Cumulativity Weak Constraints` can unify universes to `Set` with :flag:`Universe Minimization ToSet`
|
[
"18458"
] |
8.20.0
|
Commands and options
|
Fixed
|
`Search` with `is:Scheme` was searching for inductives with schemes, not the schemes themselves
|
[
"18537",
"18298"
] |
8.20.0
|
Commands and options
|
Fixed
|
`Search` now searches in included module types
|
[
"18662",
"18657"
] |
8.20.0
|
Commands and options
|
Fixed
|
`Eval` / `Definition := Eval` work without loading the Ltac plugin
|
[
"18852",
"12948"
] |
8.20.0
|
Commands and options
|
Fixed
|
:cmd:`Scheme` declares non-recursive schemes for `@scheme_type`
|
[
"19017",
"10816"
] |
8.20.0
|
Commands and options
|
Fixed
|
:flag:`Cumulativity Weak Constraints` had its meaning flipped since 8.12
|
[
"19201"
] |
8.20.0
|
Command-line tools
|
Changed
|
SIGINT now produces “user interrupt” instead of aborting, for better messages
|
[
"18716"
] |
8.20.0
|
Command-line tools
|
Added
|
`-output-directory dir` sets default output dir for extraction, :cmd:`Redirect`, :cmd:`Print Universes`
|
[
"17392",
"8649"
] |
8.20.0
|
Command-line tools
|
Fixed
|
coqdoc links to section variables introduced with `Context`
|
[
"18527",
"18516"
] |
8.20.0
|
CoqIDE
|
Changed
|
Find/replace UI improved: margins, icons for found/not found
|
[
"18523",
"11024"
] |
8.20.0
|
CoqIDE
|
Changed
|
Default key binding modifier for Navigation menu is now Alt (non-macOS). Undo changed to Ctrl-Z, Next/Previous tab to Ctrl-PgUp/PgDn
|
[
"18717"
] |
8.20.0
|
CoqIDE
|
Changed
|
Changing modifiers for View menu only applies to toggle items; View/Show Proof changed to Shift-F2
|
[
"18717"
] |
8.20.0
|
CoqIDE
|
Added
|
Edit/Select All and Navigation/Fully Check menu items
|
[
"18717",
"16141"
] |
8.20.0
|
CoqIDE
|
Fixed
|
Opening a file via drag and drop now works correctly
|
[
"18524",
"3977"
] |
8.20.0
|
CoqIDE
|
Fixed
|
Incorrect highlight/line numbers for errors/warnings with Unicode; XML protocol updated
|
[
"19040",
"18682"
] |
8.20.0
|
CoqIDE
|
Fixed
|
Show tooltips for syntax errors
|
[
"19153",
"19152"
] |
8.20.0
|
Standard library
|
Changed
|
Renamed “push” lemmas for List.length to consistent naming: e.g. `app_length`→`length_app`
|
[
"18564"
] |
8.20.0
|
Standard library
|
Changed
|
`Coq.CRelationClasses.arrow`, `iffT`, `flip` are now Typeclasses Opaque
|
[
"18910"
] |
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