Update lean4_release_notes.jsonl

lean4_release_notes.jsonl

@@ -1017,4 +1017,129 @@
 {"version":"v4.11.0","section":"Breaking changes","text":"`trace.profiler.useHearbeats` is now `trace.profiler.useHeartbeats`.","pull_request":["#4590"]}
 {"version":"v4.11.0","section":"Breaking changes","text":"A bugfix in structural recursion may break code if a parameter of the type of the recursive argument is bound behind indices. Usually fixable by reordering parameters.","pull_request":["#4672"]}
 {"version":"v4.11.0","section":"Breaking changes","text":"`List.filterMapM` now sequences monadic actions left-to-right.","pull_request":["#4820"]}
-{"version":"v4.11.0","section":"Breaking changes","text":"The effect of the `variable` command on theorem proofs has changed. Variables used in the proof but not in the theorem header or included via `include` are no longer included automatically. This ensures theorem statements are independent of proof changes and disallows certain accidental inclusions. You can revert to old behavior locally via `deprecated.oldSectionVars`.","pull_request":["#4883","#4814","#5000","#5036","#5138","0edf1bac392f7e2fe0266b28b51c498306363a84"]}
+{"version":"v4.11.0","section":"Breaking changes","text":"The effect of the `variable` command on theorem proofs has changed. Variables used in the proof but not in the theorem header or included via `include` are no longer included automatically. This ensures theorem statements are independent of proof changes and disallows certain accidental inclusions. You can revert to old behavior locally via `deprecated.oldSectionVars`.","pull_request":["#4883","#4814","#5000","#5036","#5138","0edf1bac392f7e2fe0266b28b51c498306363a84"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `split` tactic","text":"[#4401](https://github.com/leanprover/lean4/pull/4401) improves the strategy `split` uses to generalize discriminants of matches and adds `trace.split.failure` trace class for diagnosing issues.","pull_request":["#4401"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `rw` tactic","text":"[#4385](https://github.com/leanprover/lean4/pull/4385) prevents the tactic from claiming pre-existing goals are new subgoals.","pull_request":["#4385"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `rw` tactic","text":"Commit [dac1da](https://github.com/leanprover/lean4/commit/dac1dacc5b39911827af68247d575569d9c399b5) adds configuration for ordering new goals, mirroring the behavior for `apply`.","pull_request":["dac1da"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `simp` tactic","text":"[#4430](https://github.com/leanprover/lean4/pull/4430) adds `dsimproc`s for `if` expressions (`ite` and `dite`).","pull_request":["#4430"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `simp` tactic","text":"[#4434](https://github.com/leanprover/lean4/pull/4434) improves heuristics for unfolding. Equational lemmas are prioritized so that more-specific lemmas are tried before possible catch-alls.","pull_request":["#4434"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `simp` tactic","text":"[#4481](https://github.com/leanprover/lean4/pull/4481) fixes a denormalization issue for function-valued `OfNat` numeric literals.","pull_request":["#4481"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `simp` tactic","text":"[#4467](https://github.com/leanprover/lean4/pull/4467) fixes an issue where dsimp theorems might not apply to literals.","pull_request":["#4467"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `simp` tactic","text":"[#4484](https://github.com/leanprover/lean4/pull/4484) fixes the source position of the warning for deprecated simp arguments.","pull_request":["#4484"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `simp` tactic","text":"[#4258](https://github.com/leanprover/lean4/pull/4258) adds docstrings for `dsimp` configuration.","pull_request":["#4258"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `simp` tactic","text":"[#4567](https://github.com/leanprover/lean4/pull/4567) improves the accuracy of the used-lemma listing in `simp?` outputs.","pull_request":["#4567"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `simp` tactic","text":"Commit [fb9727](https://github.com/leanprover/lean4/commit/fb97275dcbb683efe6da87ed10a3f0cd064b88fd) adds (but does not fully implement) the `implicitDefEqProofs` simp configuration, which would include `rfl`-theorems in proof terms.","pull_request":["fb9727"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `omega` tactic","text":"[#4360](https://github.com/leanprover/lean4/pull/4360) lazily generates error messages, improving performance in tactic combinators.","pull_request":["#4360"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / `bv_omega` tactic","text":"[#4579](https://github.com/leanprover/lean4/pull/4579) works around this release's changes to `Fin.sub`.","pull_request":["#4579"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Tactic index groundwork","text":"[#4490](https://github.com/leanprover/lean4/pull/4490) prepares infrastructure for a tactic index in generated docs, like in Lean 3. See PR description for details.","pull_request":["#4490"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Commands","text":"[#4370](https://github.com/leanprover/lean4/pull/4370) fully elaborates binders in `variable` command validation, so errors no longer wait for the next declaration to appear.","pull_request":["#4370"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Commands","text":"[#4408](https://github.com/leanprover/lean4/pull/4408) fixes a discrepancy in universe parameter order between `theorem` and `def`.","pull_request":["#4408"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Commands","text":"[#4493](https://github.com/leanprover/lean4/pull/4493) and [#4482](https://github.com/leanprover/lean4/pull/4482) fix discrepancies in elaboration for `theorem`, `def`, and `example`, making `Prop`-valued `example`s elaborate like `theorem`s.","pull_request":["#4493","#4482"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Commands","text":"Commits [8f023b](https://github.com/leanprover/lean4/commit/8f023b85c554186ae562774b8122322d856c674e), [3c4d6b](https://github.com/leanprover/lean4/commit/3c4d6ba8648eb04d90371eb3fdbd114d16949501), and [0783d0](https://github.com/leanprover/lean4/commit/0783d0fcbe31b626fbd3ed2f29d838e717f09101) make `#reduce` configurable regarding proofs and types: e.g. `#reduce (proofs := true) (types := false) e`. By default, neither proofs nor types are reduced.","pull_request":["8f023b","3c4d6b","0783d0"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Commands","text":"[#4489](https://github.com/leanprover/lean4/pull/4489) fixes an elaboration bug in `#check_tactic`.","pull_request":["#4489"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Commands","text":"[#4505](https://github.com/leanprover/lean4/pull/4505) adds support for `open _root_.<namespace>`.","pull_request":["#4505"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Options","text":"[#4576](https://github.com/leanprover/lean4/pull/4576) adds `debug.byAsSorry`. When set to `true`, any `by ...` block elaborates to `sorry`.","pull_request":["#4576"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Options","text":"Commits [7b56eb](https://github.com/leanprover/lean4/commit/7b56eb20a03250472f4b145118ae885274d1f8f7) and [d8e719](https://github.com/leanprover/lean4/commit/d8e719f9ab7d049e423473dfc7a32867d32c856f) add `debug.skipKernelTC`, disabling kernel typechecking (dangerous, only for performance debugging).","pull_request":["7b56eb","d8e719"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Linter for overlapping constructor names","text":"[#4301](https://github.com/leanprover/lean4/pull/4301) adds a linter to flag local variables whose names coincide with argumentless constructors of their type. It also suggests valid constructor names when an invalid one is used. This linter can be disabled with `set_option linter.constructorNameAsVariable false`.","pull_request":["#4301"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Metaprogramming","text":"[#4454](https://github.com/leanprover/lean4/pull/4454) adds a public `Name.isInternalDetail` function for filtering out internal-naming-convention decls.","pull_request":["#4454"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Other fixes or improvements","text":"[#4416](https://github.com/leanprover/lean4/pull/4416) sorts output of `#print axioms` for determinism.","pull_request":["#4416"]}
+{"version":"v4.10.0","section":"Language features, tactics, and metaprograms / Other fixes or improvements","text":"[#4528](https://github.com/leanprover/lean4/pull/4528) fixes error message range for cdot focusing tactic usage.","pull_request":["#4528"]}
+{"version":"v4.10.0","section":"Language server, widgets, and IDE extensions","text":"[#4443](https://github.com/leanprover/lean4/pull/4443) makes the watchdog more resilient against misbehaving clients.","pull_request":["#4443"]}
+{"version":"v4.10.0","section":"Pretty printing","text":"[#4433](https://github.com/leanprover/lean4/pull/4433) restores fallback pretty printers when context is unavailable, and documents `addMessageContext`.","pull_request":["#4433"]}
+{"version":"v4.10.0","section":"Pretty printing","text":"[#4556](https://github.com/leanprover/lean4/pull/4556) introduces `pp.maxSteps` and sets `pp.deepTerms` default to `false`, preventing large/deep terms from overwhelming the Infoview.","pull_request":["#4556"]}
+{"version":"v4.10.0","section":"Library / `GetElem` refactor","text":"[#4560](https://github.com/leanprover/lean4/pull/4560) splits `GetElem` into `GetElem` and `GetElem?`, removing `Decidable` from `GetElem.getElem?` and `GetElem.getElem!`. This improves rewritability. See docstrings for details.","pull_request":["#4560"]}
+{"version":"v4.10.0","section":"Library / Array","text":"[#4389](https://github.com/leanprover/lean4/pull/4389) makes `Array.toArrayAux_eq` a `simp` lemma.","pull_request":["#4389"]}
+{"version":"v4.10.0","section":"Library / Array","text":"[#4399](https://github.com/leanprover/lean4/pull/4399) robustifies proof for `Array.reverse_data`.","pull_request":["#4399"]}
+{"version":"v4.10.0","section":"Library / List","text":"[#4469](https://github.com/leanprover/lean4/pull/4469) and [#4475](https://github.com/leanprover/lean4/pull/4475) reorganize the `List` API.","pull_request":["#4469","#4475"]}
+{"version":"v4.10.0","section":"Library / List","text":"[#4470](https://github.com/leanprover/lean4/pull/4470) improves `List.set` and `List.concat` API.","pull_request":["#4470"]}
+{"version":"v4.10.0","section":"Library / List","text":"[#4472](https://github.com/leanprover/lean4/pull/4472) upstreams lemmas about `List.filter` from Batteries.","pull_request":["#4472"]}
+{"version":"v4.10.0","section":"Library / List","text":"[#4473](https://github.com/leanprover/lean4/pull/4473) adjusts `@[simp]` attributes in `List`.","pull_request":["#4473"]}
+{"version":"v4.10.0","section":"Library / List","text":"[#4488](https://github.com/leanprover/lean4/pull/4488) makes `List.getElem?_eq_getElem` a simp lemma.","pull_request":["#4488"]}
+{"version":"v4.10.0","section":"Library / List","text":"[#4487](https://github.com/leanprover/lean4/pull/4487) adds missing API for `List.replicate`.","pull_request":["#4487"]}
+{"version":"v4.10.0","section":"Library / List","text":"[#4521](https://github.com/leanprover/lean4/pull/4521) adds lemmas about `List.map`.","pull_request":["#4521"]}
+{"version":"v4.10.0","section":"Library / List","text":"[#4500](https://github.com/leanprover/lean4/pull/4500) uses `as.length + 1` instead of `as.length.succ` in `length_cons`.","pull_request":["#4500"]}
+{"version":"v4.10.0","section":"Library / List","text":"[#4524](https://github.com/leanprover/lean4/pull/4524) fixes statement of `List.filter_congr`.","pull_request":["#4524"]}
+{"version":"v4.10.0","section":"Library / List","text":"[#4525](https://github.com/leanprover/lean4/pull/4525) changes binder explicitness in `List.bind_map`.","pull_request":["#4525"]}
+{"version":"v4.10.0","section":"Library / List","text":"[#4550](https://github.com/leanprover/lean4/pull/4550) adds `maximum?_eq_some_iff'` and `minimum?_eq_some_iff?`.","pull_request":["#4550"]}
+{"version":"v4.10.0","section":"Library / Normal form for indexing","text":"[#4400](https://github.com/leanprover/lean4/pull/4400) changes the normal forms for indexing `List`/`Array` to `xs[n]` and `xs[n]?`. Previously might have used `List.get`.","pull_request":["#4400"]}
+{"version":"v4.10.0","section":"Library / HashMap","text":"[#4372](https://github.com/leanprover/lean4/pull/4372) fixes linearity in `HashMap.insert`/`HashMap.erase`, yielding ~40% speedup in replace-heavy workloads.","pull_request":["#4372"]}
+{"version":"v4.10.0","section":"Library / Option","text":"[#4403](https://github.com/leanprover/lean4/pull/4403) generalizes `Option.forM` from `Unit` to `PUnit`.","pull_request":["#4403"]}
+{"version":"v4.10.0","section":"Library / Option","text":"[#4504](https://github.com/leanprover/lean4/pull/4504) removes `@[simp]` from `Option.elim` in favor of individual reduction lemmas, so unfolding is less aggressive.","pull_request":["#4504"]}
+{"version":"v4.10.0","section":"Library / Nat","text":"[#4242](https://github.com/leanprover/lean4/pull/4242) adds missing theorems about `n + 1` and `n - 1` normal forms.","pull_request":["#4242"]}
+{"version":"v4.10.0","section":"Library / Nat","text":"[#4486](https://github.com/leanprover/lean4/pull/4486) tags `Nat.min_assoc` as a simp lemma.","pull_request":["#4486"]}
+{"version":"v4.10.0","section":"Library / Nat","text":"[#4522](https://github.com/leanprover/lean4/pull/4522) moves `@[simp]` from `Nat.pred_le` to `Nat.sub_one_le`.","pull_request":["#4522"]}
+{"version":"v4.10.0","section":"Library / Nat","text":"[#4532](https://github.com/leanprover/lean4/pull/4532) changes some `Nat.succ n` usage to `n + 1`.","pull_request":["#4532"]}
+{"version":"v4.10.0","section":"Library / Int","text":"[#3850](https://github.com/leanprover/lean4/pull/3850) adds complete div/mod simprocs for `Int`.","pull_request":["#3850"]}
+{"version":"v4.10.0","section":"Library / String/Char","text":"[#4357](https://github.com/leanprover/lean4/pull/4357) replaces `Char.csize` with `Char.utf8Size`, and uses `String.utf8ByteSize`.","pull_request":["#4357"]}
+{"version":"v4.10.0","section":"Library / String/Char","text":"[#4438](https://github.com/leanprover/lean4/pull/4438) upstreams `Char.ext` from Batteries and adds some manual doc for `Char`.","pull_request":["#4438"]}
+{"version":"v4.10.0","section":"Library / Fin","text":"[#4421](https://github.com/leanprover/lean4/pull/4421) makes `Fin.sub` more definitionally performant. `bv_omega` was updated accordingly.","pull_request":["#4421"]}
+{"version":"v4.10.0","section":"Library / Prod","text":"[#4526](https://github.com/leanprover/lean4/pull/4526) adds missing `Prod.map` lemmas.","pull_request":["#4526"]}
+{"version":"v4.10.0","section":"Library / Prod","text":"[#4533](https://github.com/leanprover/lean4/pull/4533) fixes binder explicitness in `Prod` lemmas.","pull_request":["#4533"]}
+{"version":"v4.10.0","section":"Library / BitVec","text":"[#4428](https://github.com/leanprover/lean4/pull/4428) adds missing `simproc` for `BitVec` equality.","pull_request":["#4428"]}
+{"version":"v4.10.0","section":"Library / BitVec","text":"[#4417](https://github.com/leanprover/lean4/pull/4417) adds `BitVec.twoPow` and some lemmas, preparing for multiplication bitblasting in LeanSAT.","pull_request":["#4417"]}
+{"version":"v4.10.0","section":"Library / Std","text":"[#4499](https://github.com/leanprover/lean4/pull/4499) introduces `Std`, a standard library layer between `Init` and `Lean` for extra utilities used by Lean and external users alike.","pull_request":["#4499"]}
+{"version":"v4.10.0","section":"Library / Other fixes or improvements","text":"[#3056](https://github.com/leanprover/lean4/pull/3056) standardizes usage to `(· == a)` instead of `(a == ·)`.","pull_request":["#3056"]}
+{"version":"v4.10.0","section":"Library / Other fixes or improvements","text":"[#4502](https://github.com/leanprover/lean4/pull/4502) fixes errors from applying the Batteries lint checks to the Lean library.","pull_request":["#4502"]}
+{"version":"v4.10.0","section":"Lean internals / `getBitVecValue?`","text":"[#4391](https://github.com/leanprover/lean4/pull/4391) extends recognition of `BitVec.ofNatLt` in `getBitVecValue?`.","pull_request":["#4391"]}
+{"version":"v4.10.0","section":"Lean internals / `instantiateMVars`","text":"[#4410](https://github.com/leanprover/lean4/pull/4410) zeta reduces `let` expressions while beta reducing instantiated mvars, improving performance/defeq. ","pull_request":["#4410"]}
+{"version":"v4.10.0","section":"Lean internals / occurs check","text":"[#4420](https://github.com/leanprover/lean4/pull/4420) fixes occurs check for mvar assignment to also consider the mvar's type. ","pull_request":["#4420"]}
+{"version":"v4.10.0","section":"Lean internals / `forEachModuleInDir`","text":"[#4425](https://github.com/leanprover/lean4/pull/4425) ensures each Lean file is visited exactly once.","pull_request":["#4425"]}
+{"version":"v4.10.0","section":"Lean internals / Building core oleans with Lake","text":"[#3886](https://github.com/leanprover/lean4/pull/3886) adds a setup for building Lean core `.olean` files using Lake.","pull_request":["#3886"]}
+{"version":"v4.10.0","section":"Lean internals / Defeq and WHNF algorithms","text":"[#4387](https://github.com/leanprover/lean4/pull/4387) speeds up `isDefEq` by eta reducing lambda-abstracted terms before assignment (they would be beta-reduced anyway). This can lead to more-eta-reduced results in some proof obligations.","pull_request":["#4387"]}
+{"version":"v4.10.0","section":"Lean internals / Defeq and WHNF algorithms","text":"[#4388](https://github.com/leanprover/lean4/pull/4388) removes redundant code in `isDefEqQuickOther`.","pull_request":["#4388"]}
+{"version":"v4.10.0","section":"Lean internals / Typeclass inference","text":"[#4530](https://github.com/leanprover/lean4/pull/4530) fixes the handling of mvars in `synthInstance?` caching.","pull_request":["#4530"]}
+{"version":"v4.10.0","section":"Lean internals / Elaboration","text":"[#4426](https://github.com/leanprover/lean4/pull/4426) improves reliability of \"don't know how to synthesize implicit argument\" error naming the argument.","pull_request":["#4426"]}
+{"version":"v4.10.0","section":"Lean internals / Elaboration","text":"[#4497](https://github.com/leanprover/lean4/pull/4497) fixes a name resolution bug in generalized field/dot notation.","pull_request":["#4497"]}
+{"version":"v4.10.0","section":"Lean internals / Elaboration","text":"[#4536](https://github.com/leanprover/lean4/pull/4536) blocks implicit lambda for `(e:)` notation usage.","pull_request":["#4536"]}
+{"version":"v4.10.0","section":"Lean internals / Elaboration","text":"[#4562](https://github.com/leanprover/lean4/pull/4562) errors if two functions share the same name in a single `where`/`let rec` block.","pull_request":["#4562"]}
+{"version":"v4.10.0","section":"Lean internals / Recursion principles","text":"[#4549](https://github.com/leanprover/lean4/pull/4549) refactors `findRecArg` into `withRecArgInfo`, making error messages more structured. Non-indices are tried first, and for each argument, it explains why it is or isn't tried.","pull_request":["#4549"]}
+{"version":"v4.10.0","section":"Lean internals / Porting core C++ to Lean","text":"[#4474](https://github.com/leanprover/lean4/pull/4474) refactors `constructions` in prep for porting more logic to Lean.","pull_request":["#4474"]}
+{"version":"v4.10.0","section":"Lean internals / Porting core C++ to Lean","text":"[#4498](https://github.com/leanprover/lean4/pull/4498) ports `mk_definition_inferring_unsafe` to Lean.","pull_request":["#4498"]}
+{"version":"v4.10.0","section":"Lean internals / Porting core C++ to Lean","text":"[#4516](https://github.com/leanprover/lean4/pull/4516) ports `recOn` construction to Lean.","pull_request":["#4516"]}
+{"version":"v4.10.0","section":"Lean internals / Porting core C++ to Lean","text":"[#4517](https://github.com/leanprover/lean4/pull/4517), [#4653](https://github.com/leanprover/lean4/pull/4653), and [#4651](https://github.com/leanprover/lean4/pull/4651) port `below`/`brecOn` construction to Lean.","pull_request":["#4517","#4653","#4651"]}
+{"version":"v4.10.0","section":"Lean internals / Documentation","text":"[#4501](https://github.com/leanprover/lean4/pull/4501) adds more detail to the docstring for `PersistentEnvExtension`.","pull_request":["#4501"]}
+{"version":"v4.10.0","section":"Lean internals / Other fixes or improvements","text":"[#4382](https://github.com/leanprover/lean4/pull/4382) removes `@[inline]` from `NameMap.find?` to avoid respecialization at each call site.","pull_request":["#4382"]}
+{"version":"v4.10.0","section":"Lean internals / Other fixes or improvements","text":"Commit [5f9ded](https://github.com/leanprover/lean4/commit/5f9dedfe5ee9972acdebd669f228f487844a6156) improves `trace.Elab.snapshotTree` output.","pull_request":["5f9ded"]}
+{"version":"v4.10.0","section":"Lean internals / Other fixes or improvements","text":"[#4424](https://github.com/leanprover/lean4/pull/4424) removes outdated \"you might need to open '{dir}' in your editor\" message, now handled by Lake/VS Code extension.","pull_request":["#4424"]}
+{"version":"v4.10.0","section":"Lean internals / Other fixes or improvements","text":"[#4451](https://github.com/leanprover/lean4/pull/4451) improves performance of `CollectMVars` and `FindMVar`.","pull_request":["#4451"]}
+{"version":"v4.10.0","section":"Lean internals / Other fixes or improvements","text":"[#4479](https://github.com/leanprover/lean4/pull/4479) adds missing `DecidableEq` and `Repr` instances for internal data used by `BitVec` and `Fin` simprocs.","pull_request":["#4479"]}
+{"version":"v4.10.0","section":"Lean internals / Other fixes or improvements","text":"[#4492](https://github.com/leanprover/lean4/pull/4492) adds tests for a prior `isDefEq` bug.","pull_request":["#4492"]}
+{"version":"v4.10.0","section":"Lean internals / Other fixes or improvements","text":"Commit [9096d6](https://github.com/leanprover/lean4/commit/9096d6fc7180fe533c504f662bcb61550e4a2492) removes `PersistentHashMap.size`.","pull_request":["9096d6"]}
+{"version":"v4.10.0","section":"Lean internals / Other fixes or improvements","text":"[#4508](https://github.com/leanprover/lean4/pull/4508) fixes `@[implemented_by]` for wf-recursive functions.","pull_request":["#4508"]}
+{"version":"v4.10.0","section":"Lean internals / Other fixes or improvements","text":"[#4509](https://github.com/leanprover/lean4/pull/4509) adds extra tests for `apply?`.","pull_request":["#4509"]}
+{"version":"v4.10.0","section":"Lean internals / Other fixes or improvements","text":"Commit [d6eab3](https://github.com/leanprover/lean4/commit/d6eab393f4df9d473b5736d636b178eb26d197e6) fixes a benchmark script.","pull_request":["d6eab3"]}
+{"version":"v4.10.0","section":"Lean internals / Other fixes or improvements","text":"[#4563](https://github.com/leanprover/lean4/pull/4563) adds a workaround for a bug in `IndPredBelow.mkBelowMatcher`.","pull_request":["#4563"]}
+{"version":"v4.10.0","section":"Lean internals / Cleanup","text":"[#4380](https://github.com/leanprover/lean4/pull/4380), [#4431](https://github.com/leanprover/lean4/pull/4431), [#4494](https://github.com/leanprover/lean4/pull/4494), commit [e8f768](https://github.com/leanprover/lean4/commit/e8f768f9fd8cefc758533bc76e3a12b398ed4a39), commit [de2690](https://github.com/leanprover/lean4/commit/de269060d17a581ed87f40378dbec74032633b27), commit [d3a756](https://github.com/leanprover/lean4/commit/d3a7569c97123d022828106468d54e9224ed8207), [#4404](https://github.com/leanprover/lean4/pull/4404), [#4537](https://github.com/leanprover/lean4/pull/4537).","pull_request":["#4380","#4431","#4494","e8f768","de2690","d3a756","#4404","#4537"]}
+{"version":"v4.10.0","section":"Compiler, runtime, and FFI","text":"Commit [d85d3d](https://github.com/leanprover/lean4/commit/d85d3d5f3a09ff95b2ee47c6f89ef50b7e339126) fixes tail-call ownership criterion in codegen.","pull_request":["d85d3d"]}
+{"version":"v4.10.0","section":"Compiler, runtime, and FFI","text":"[#3963](https://github.com/leanprover/lean4/pull/3963) adds UTF-8 validation at runtime boundary from C++ to Lean.","pull_request":["#3963"]}
+{"version":"v4.10.0","section":"Compiler, runtime, and FFI","text":"[#4512](https://github.com/leanprover/lean4/pull/4512) fixes unboxing in the interpreter when loading initialized values.","pull_request":["#4512"]}
+{"version":"v4.10.0","section":"Compiler, runtime, and FFI","text":"[#4477](https://github.com/leanprover/lean4/pull/4477) exposes the compiler flags used by the bundled C compiler (clang).","pull_request":["#4477"]}
+{"version":"v4.10.0","section":"Lake","text":"[#4384](https://github.com/leanprover/lean4/pull/4384) deprecates `inputFile` in favor of `inputBinFile` and `inputTextFile`. The latter normalizes line endings, aiding platform-independent builds for text files.","pull_request":["#4384"]}
+{"version":"v4.10.0","section":"Lake","text":"[#4371](https://github.com/leanprover/lean4/pull/4371) simplifies dependency resolution code in Lake.","pull_request":["#4371"]}
+{"version":"v4.10.0","section":"Lake","text":"[#4439](https://github.com/leanprover/lean4/pull/4439) improves Lake configuration DSL: string literals for names, no more French quotes in `lake new`/`init`, uses `Main` for exe template, better error for `math` template, warns on unknown fields instead of error, etc.","pull_request":["#4439"]}
+{"version":"v4.10.0","section":"Lake","text":"[#4496](https://github.com/leanprover/lean4/pull/4496) tweaks `require` syntax and doc: in TOML, no French quotes needed for package names like `doc-gen4`.","pull_request":["#4496"]}
+{"version":"v4.10.0","section":"Lake","text":"[#4485](https://github.com/leanprover/lean4/pull/4485) fixes bug where indirect dep versions took precedence over direct dependencies in Lake.","pull_request":["#4485"]}
+{"version":"v4.10.0","section":"Lake","text":"[#4478](https://github.com/leanprover/lean4/pull/4478) fixes Lake to not include the module dynamic library in platform-independent traces.","pull_request":["#4478"]}
+{"version":"v4.10.0","section":"Lake","text":"[#4529](https://github.com/leanprover/lean4/pull/4529) fixes bad import error handling, so an executable's root module can still build, and the transitive location of bad imports is shown. The root module now respects `nativeFacets`.","pull_request":["#4529"]}
+{"version":"v4.10.0","section":"Lake","text":"[#4564](https://github.com/leanprover/lean4/pull/4564) fixes a bug where non-identifier script names needed French quotes on the CLI.","pull_request":["#4564"]}
+{"version":"v4.10.0","section":"Lake","text":"[#4566](https://github.com/leanprover/lean4/pull/4566) addresses precompiled libraries issues: no longer always precompiles the package of a module, and if a module is precompiled, it also precompiles its imports. Previously, that only happened if imported. ","pull_request":["#4566"]}
+{"version":"v4.10.0","section":"Lake / Registry-based `require`","text":"[#4495](https://github.com/leanprover/lean4/pull/4495), [#4692](https://github.com/leanprover/lean4/pull/4692), [#4849](https://github.com/leanprover/lean4/pull/4849) add registry-based `require` syntax. E.g.\n```\nrequire \"leanprover\" / \"doc-gen4\"\n```\nor\n```\n[[require]]\nname = \"doc-gen4\"\nscope = \"leanprover\"\n```\nwhich fetches metadata from a Reservoir-like API, clones the Git repo, uses the correct default branch, etc. The endpoint can be configured via `RESERVIOR_API_URL`. Additional Cargo-style registry config is planned.","pull_request":["#4495","#4692","#4849"]}
+{"version":"v4.10.0","section":"DevOps/CI","text":"[#4427](https://github.com/leanprover/lean4/pull/4427) uses Namespace runners in CI for `leanprover/lean4`.","pull_request":["#4427"]}
+{"version":"v4.10.0","section":"DevOps/CI","text":"[#4440](https://github.com/leanprover/lean4/pull/4440) fixes speedcenter tests in CI.","pull_request":["#4440"]}
+{"version":"v4.10.0","section":"DevOps/CI","text":"[#4441](https://github.com/leanprover/lean4/pull/4441) ensures workflow changes do not break CI for unrebased PRs.","pull_request":["#4441"]}
+{"version":"v4.10.0","section":"DevOps/CI","text":"[#4442](https://github.com/leanprover/lean4/pull/4442) fixes Wasm release-ci.","pull_request":["#4442"]}
+{"version":"v4.10.0","section":"DevOps/CI","text":"Commit [6d265b](https://github.com/leanprover/lean4/commit/6d265b42b117eef78089f479790587a399da7690) fixes for `github.event.pull_request.merge_commit_sha` not always being available.","pull_request":["6d265b"]}
+{"version":"v4.10.0","section":"DevOps/CI","text":"Commit [16cad2](https://github.com/leanprover/lean4/commit/16cad2b45c6a77efe4dce850dcdbaafaa7c91fc3) adds optimization to not fetch complete Git history in CI.","pull_request":["16cad2"]}
+{"version":"v4.10.0","section":"DevOps/CI","text":"[#4544](https://github.com/leanprover/lean4/pull/4544) marks GitHub releases as prerelease (instead of stable).","pull_request":["#4544"]}
+{"version":"v4.10.0","section":"DevOps/CI","text":"[#4446](https://github.com/leanprover/lean4/pull/4446) modifies Lake to use `src/lake/lakefile.toml`, so it doesn't need a loaded Lake version to build Lake itself.","pull_request":["#4446"]}
+{"version":"v4.10.0","section":"DevOps/CI / Nix","text":"Commit [5eb5fa](https://github.com/leanprover/lean4/commit/5eb5fa49cf9862e99a5bccff8d4ca1a062f81900) fixes `update-stage0-commit` for Nix builds.","pull_request":["5eb5fa"]}
+{"version":"v4.10.0","section":"DevOps/CI / Nix","text":"[#4476](https://github.com/leanprover/lean4/pull/4476) adds gdb to the Nix shell.","pull_request":["#4476"]}
+{"version":"v4.10.0","section":"DevOps/CI / Nix","text":"Commit [e665a0](https://github.com/leanprover/lean4/commit/e665a0d716dc42ba79b339b95e01eb99fe932cb3) fixes `update-stage0` in Nix environment.","pull_request":["e665a0"]}
+{"version":"v4.10.0","section":"DevOps/CI / Nix","text":"Commit [4808eb](https://github.com/leanprover/lean4/commit/4808eb7c4bfb98f212b865f06a97d46c44978a61) fixes `cacheRoots` for Nix.","pull_request":["4808eb"]}
+{"version":"v4.10.0","section":"DevOps/CI / Nix","text":"[#3811](https://github.com/leanprover/lean4/pull/3811) adds platform-dependent flags to the library target in Nix builds.","pull_request":["#3811"]}
+{"version":"v4.10.0","section":"DevOps/CI / Nix","text":"[#4587](https://github.com/leanprover/lean4/pull/4587) links `-lStd` back into Nix builds on Darwin (macOS).","pull_request":["#4587"]}
+{"version":"v4.10.0","section":"Breaking changes","text":"`Char.csize` is replaced by `Char.utf8Size` ([#4357](https://github.com/leanprover/lean4/pull/4357))."}
+{"version":"v4.10.0","section":"Breaking changes","text":"Library lemmas are standardized to `(· == a)` over `(a == ·)` ([#3056](https://github.com/leanprover/lean4/pull/3056))."}
+{"version":"v4.10.0","section":"Breaking changes","text":"Now the normal forms for indexing `List`/`Array` are `xs[n]` and `xs[n]?` instead of (e.g.) `List.get xs n` ([#4400](https://github.com/leanprover/lean4/pull/4400))."}
+{"version":"v4.10.0","section":"Breaking changes","text":"Terms formed by unification may be more eta-reduced than before, so some proofs may need adaptation ([#4387](https://github.com/leanprover/lean4/pull/4387))."}
+{"version":"v4.10.0","section":"Breaking changes","text":"`GetElem` is split into `GetElem` and `GetElem?` for improved rewritability and removal of `Decidable` from `getElem?`/`getElem!` ([#4560](https://github.com/leanprover/lean4/pull/4560))."}