* chore: bump to nightly-2025-06-11

* chore: adaptations for nightly-2025-06-11

* Update Shake/Main.lean

Co-authored-by: Johan Commelin <johan@commelin.net>

* Apply suggestions from code review

* revert

* chore: adaptations for nightly-2025-06-11

* cleanup grind tests

* chore: bump to nightly-2025-06-12

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* chore: bump to nightly-2025-06-12

* merge lean-pr-testing-8653

* adaptation note

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* chore: adaptations for nightly-2025-06-12

* remove nolint simpNF

* remove spurious file

* Update lean-toolchain for testing leanprover/lean4#8751

* fix

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* chore: adaptations for nightly-2025-06-17

* chore: adaptations for nightly-2025-06-17

* chore: lint `show` (adaptation for leanprover/lean4#7395) (leanprover-community#25749)

Adds `show` as an exception to the unused tactic linter and adds a separate linter for `show`s that should be replaced by `change`.
Context: https://leanprover.zulipchat.com/#narrow/channel/287929-mathlib4/topic/unused.20tactic.20linter.20for.20.60show.60/with/523701633

Co-authored-by: Christian Merten <christian@merten.dev>
Co-authored-by: Kenny Lau <kc_kennylau@yahoo.com.hk>
Co-authored-by: Fabrizio Barroero <fbarroero@gmail.com>
Co-authored-by: Rob23oba <robin.arnez@web.de>
Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: Rob23oba <152706811+Rob23oba@users.noreply.github.com>
Co-authored-by: Kim Morrison <kim@tqft.net>

* Update lean-toolchain for testing leanprover/lean4#8577

* chore: bump to nightly-2025-06-18

* chore: adaptations for nightly-2025-06-18

* Merge master into nightly-testing

* Update lean-toolchain for testing leanprover/lean4#8804

* Update lean-toolchain for testing leanprover/lean4#8699

* bump Qq and batteries

* meta adaptations

* bump aesop

* fix

* fix (adaptation note)

* Update lean-toolchain for leanprover/lean4#8699

* shake

* chore: bump to nightly-2025-06-19

* fix

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* fix: correct memoFix's use of unsafe code

* fix: adjust noncomputable annotations for new compiler

* fix: replace use of `open private _ in` with `open private _ from`

The implementation of `open private _ from` relies on specific
internals of the old compiler and will no longer work.

* remove mul_hmul

* chore: adjust one maxHeartbeats for the new compiler

* linter

* chore: bump to nightly-2025-06-20

* chore: adaptations for nightly-2025-06-20

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* Ensure we checkout mathlib4 master, not nightly-testing master (which does not exist)

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(Now `elabSimpArgs` already handles `*`, so we can delete the associated code.)

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* chore: update linter warning test outputs

* chore: remove excess line break in deprecation lint now that notes add their own line breaks

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* .

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* chore: bump to nightly-2025-06-28

* Merge master into nightly-testing

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---------

Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: mathlib4-bot <github-mathlib4-bot@leanprover.zulipchat.com>
Co-authored-by: Johan Commelin <johan@commelin.net>
Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: sgouezel <sebastien.gouezel@univ-rennes1.fr>
Co-authored-by: Kyle Miller <kmill31415@gmail.com>
Co-authored-by: Sebastian Ullrich <sebasti@nullri.ch>
Co-authored-by: Rob23oba <robin.arnez@web.de>
Co-authored-by: Rob23oba <101damnations@github.com>
Co-authored-by: Christian Merten <christian@merten.dev>
Co-authored-by: Kenny Lau <kc_kennylau@yahoo.com.hk>
Co-authored-by: Fabrizio Barroero <fbarroero@gmail.com>
Co-authored-by: Rob23oba <152706811+Rob23oba@users.noreply.github.com>
Co-authored-by: Cameron Zwarich <cameron@lean-fro.org>
Co-authored-by: Mac Malone <mac@lean-fro.org>
Co-authored-by: Anne C.A. Baanen <vierkantor@vierkantor.com>
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
Co-authored-by: Sebastian Graf <sg@lean-fro.org>
Co-authored-by: Joseph Rotella <7482866+jrr6@users.noreply.github.com>

* cleanup grind tests

* chore: bump to nightly-2025-06-12

* merge lean-pr-testing-8419

* chore: bump to nightly-2025-06-12

* merge lean-pr-testing-8653

* adaptation note

* oops

* chore: adaptations for nightly-2025-06-12

* remove nolint simpNF

* remove spurious file

* Update lean-toolchain for testing leanprover/lean4#8751

* fix

* chore: bump to nightly-2025-06-13

* Merge master into nightly-testing

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* remove upstreamed

* drop no-op `show`

* chore: bump to nightly-2025-06-14

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* intentionally left blank

* fix tests

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* fix upstream

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* chore: adaptations for nightly-2025-06-16

* chore: bump to nightly-2025-06-17

* fixes

* more fixes

* fixes!

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* hmm

* chore: adaptations for nightly-2025-06-17

* chore: adaptations for nightly-2025-06-17

* chore: lint `show` (adaptation for leanprover/lean4#7395) (leanprover-community#25749)

Adds `show` as an exception to the unused tactic linter and adds a separate linter for `show`s that should be replaced by `change`.
Context: https://leanprover.zulipchat.com/#narrow/channel/287929-mathlib4/topic/unused.20tactic.20linter.20for.20.60show.60/with/523701633

Co-authored-by: Christian Merten <christian@merten.dev>
Co-authored-by: Kenny Lau <kc_kennylau@yahoo.com.hk>
Co-authored-by: Fabrizio Barroero <fbarroero@gmail.com>
Co-authored-by: Rob23oba <robin.arnez@web.de>
Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: Rob23oba <152706811+Rob23oba@users.noreply.github.com>
Co-authored-by: Kim Morrison <kim@tqft.net>

* Update lean-toolchain for testing leanprover/lean4#8577

* chore: bump to nightly-2025-06-18

* chore: adaptations for nightly-2025-06-18

* Merge master into nightly-testing

* Update lean-toolchain for testing leanprover/lean4#8804

* Update lean-toolchain for testing leanprover/lean4#8699

* bump Qq and batteries

* meta adaptations

* bump aesop

* fix

* fix (adaptation note)

* Update lean-toolchain for leanprover/lean4#8699

* shake

* chore: bump to nightly-2025-06-19

* fix

* Update lean-toolchain for leanprover/lean4#8699

* fix: correct memoFix's use of unsafe code

* fix: adjust noncomputable annotations for new compiler

* fix: replace use of `open private _ in` with `open private _ from`

The implementation of `open private _ from` relies on specific
internals of the old compiler and will no longer work.

* remove mul_hmul

* chore: adjust one maxHeartbeats for the new compiler

* linter

* chore: bump to nightly-2025-06-20

* chore: adaptations for nightly-2025-06-20

* Update lean-toolchain for testing leanprover/lean4#8914

* chore: bump to nightly-2025-06-21

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* comment out tests

* chore: fix for nightly-testing (leanprover-community#26246)

* fix

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* chore: adaptations for nightly-2025-06-20

* lake update

* Update lean-toolchain for leanprover/lean4#8914

* fix grind instance

* chore: bump to nightly-2025-06-22

* chore: bump to nightly-2025-06-23

* chore: rm unused `Lean.Util.Paths` import & use updated batteries

* Ensure we checkout mathlib4 master, not nightly-testing master (which does not exist)

* merge lean-pr-testing-8804

* Bump dependencies and silence linter.

* Fixes

(Now `elabSimpArgs` already handles `*`, so we can delete the associated code.)

* lake update; disable unusedSimpArgs in Batteries

* lkae update aesop

* disable unusedSimpArgs in MathlibTest

* fix grind instance priorities

* comment out MathlibTest/zmod with adaptation note

* touch for CI

* chore: bump to nightly-2025-06-24

* Kick CI

* Bump batteries

* Guessing adaption for leanprover/lean4#8929

* chore: bump to nightly-2025-06-25

* fix: workflow merging master into nightly-testing

* fix

* chore: cache get uses tracking remote

* touch for new CI

* restart CI

* chore: bump to nightly-2025-06-26

* Update lean-toolchain for testing leanprover/lean4#8928

* Teach Mathlib about `mrefine`

* Merge master into nightly-testing

* Update lean-toolchain for testing leanprover/lean4#8980

* chore: update linter warning test outputs

* chore: remove excess line break in deprecation lint now that notes add their own line breaks

* chore: more test cleanup

* .

* cleanup adaptation notes

* fix

* fix

* chore: bump to nightly-2025-06-27

* Merge master into nightly-testing

* Merge master into nightly-testing

* re-enable unusedSimpArgs

* re-enable unusedSimpArgs

* re-enable unusedSimpArgs

* re-enable unusedSimpArgs

* re-enable unusedSimpArgs

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* chore: bump to nightly-2025-06-28

* Merge master into nightly-testing

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* chore: bump to nightly-2025-06-29

* chore: adaptations for nightly-2025-06-29

* Merge master into nightly-testing

* chore: robustify `open Mathlib` benchmark

* deprecations

* Update lean-toolchain for testing leanprover/lean4#9086

* Merge master into nightly-testing

* fixes

* chore: bump to nightly-2025-06-30

* lake update

* lake update

* lake update

* lake update

* lake update

* .

---------

Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: Johan Commelin <johan@commelin.net>
Co-authored-by: mathlib4-bot <github-mathlib4-bot@leanprover.zulipchat.com>
Co-authored-by: sgouezel <sebastien.gouezel@univ-rennes1.fr>
Co-authored-by: Kyle Miller <kmill31415@gmail.com>
Co-authored-by: Sebastian Ullrich <sebasti@nullri.ch>
Co-authored-by: Rob23oba <robin.arnez@web.de>
Co-authored-by: Rob23oba <101damnations@github.com>
Co-authored-by: Christian Merten <christian@merten.dev>
Co-authored-by: Kenny Lau <kc_kennylau@yahoo.com.hk>
Co-authored-by: Fabrizio Barroero <fbarroero@gmail.com>
Co-authored-by: Rob23oba <152706811+Rob23oba@users.noreply.github.com>
Co-authored-by: Cameron Zwarich <cameron@lean-fro.org>
Co-authored-by: Mac Malone <mac@lean-fro.org>
Co-authored-by: Anne C.A. Baanen <vierkantor@vierkantor.com>
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
Co-authored-by: Sebastian Graf <sg@lean-fro.org>
Co-authored-by: Joseph Rotella <7482866+jrr6@users.noreply.github.com>

* fix

* fixes

* chore: adaptations for nightly-2025-06-16 (leanprover-community#25994)

* chore: bump to nightly-2025-06-03

* fix

* fix

* Update lean-toolchain for testing leanprover/lean4#8610

* fix

* revert change in `Mathlib.Data.ZMOD.Basic`

* fix Mathlib/Data/List/EditDistance/Estimator.lean

* give specialized simp lemmas higher prio

* simp can prove these

* simp can prove these

* chore: bump to nightly-2025-06-04

* bump toolchain

* Adapt eqns

* Revert "Adapt eqns"

This reverts commit 34f1f7f.

* Simply remove check for now

* fix a bunch

* fixes?

* chore: adaptations for nightly-2025-06-04

* add `simp low` lemma `injOn_of_eq_iff_eq`

* wip

* wip

* wip

* fix

* Trigger CI for leanprover-community/batteries#1220

* Merge master into nightly-testing

* chore: bump to nightly-2025-06-05

* Kick CI

* Bump lean4-cli

* Bump import-graph

* Kick CI

* update lakefile

* chore: use more robust syntax quotation in Shake

* Trigger CI for leanprover/lean4#8419

* Revert "chore: use more robust syntax quotation in Shake"

This reverts commit cd87328.

* fix(Shake): fix import syntax

@Kha this is deliberately using this approach because syntax quotations
are also not robust but for a different reason: they fail to parse the
new versions of the syntax (and do so at run time). And using all the
optional doohickeys will not be future proof. The current setup is
explicitly meant to ping me when there is a syntax change so I can
evaluate the right way to handle it. In this case we want all the
module options to be ignored (treated the same as a regular import
for the purpose of dependency tracking), we don't want to fail.

* cleanup lakefile

* chore: bump to nightly-2025-06-06

* Update lean-toolchain for testing leanprover/lean4#8653

* fix

* how did this get dropped?!?!

* chore: bump to nightly-2025-06-07

* chore: bump to nightly-2025-06-08

* chore: bump to nightly-2025-06-09

* fix lakefile

* fix lint-style for new Lean.Options API

* chore: bump to nightly-2025-06-10

* chore: bump to nightly-2025-06-09

* merge lean-pr-testing-4

* chore: bump to nightly-2025-06-11

* chore: adaptations for nightly-2025-06-11

* Update Shake/Main.lean

Co-authored-by: Johan Commelin <johan@commelin.net>

* Apply suggestions from code review

* revert

* chore: adaptations for nightly-2025-06-11

* cleanup grind tests

* chore: bump to nightly-2025-06-12

* merge lean-pr-testing-8419

* chore: bump to nightly-2025-06-12

* merge lean-pr-testing-8653

* adaptation note

* oops

* chore: adaptations for nightly-2025-06-12

* remove nolint simpNF

* remove spurious file

* Update lean-toolchain for testing leanprover/lean4#8751

* fix

* chore: bump to nightly-2025-06-13

* Merge master into nightly-testing

* fix

* remove upstreamed

* drop no-op `show`

* chore: bump to nightly-2025-06-14

* chore: bump to nightly-2025-06-15

* intentionally left blank

* fix tests

* chore: bump to nightly-2025-06-16

* fix upstream

* fix

* fix

* fixes

---------

Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: mathlib4-bot <github-mathlib4-bot@leanprover.zulipchat.com>
Co-authored-by: Sebastian Ullrich <sebasti@nullri.ch>
Co-authored-by: Johan Commelin <johan@commelin.net>
Co-authored-by: Jovan Gerbscheid <jovan.gerbscheid@gmail.com>
Co-authored-by: Kim Morrison <kim@tqft.net>
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
Co-authored-by: Mario Carneiro <di.gama@gmail.com>
Co-authored-by: sgouezel <sebastien.gouezel@univ-rennes1.fr>
Co-authored-by: Kyle Miller <kmill31415@gmail.com>

* chore: adaptations for nightly-2025-06-16

* chore: bump to nightly-2025-06-17

* fixes

* more fixes

* fixes!

* more fixes!

* hmm

* chore: adaptations for nightly-2025-06-17

* chore: adaptations for nightly-2025-06-17 (leanprover-community#26043)

* revert change in `Mathlib.Data.ZMOD.Basic`

* fix Mathlib/Data/List/EditDistance/Estimator.lean

* give specialized simp lemmas higher prio

* simp can prove these

* simp can prove these

* chore: bump to nightly-2025-06-04

* bump toolchain

* Adapt eqns

* Revert "Adapt eqns"

This reverts commit 34f1f7f.

* Simply remove check for now

* fix a bunch

* fixes?

* chore: adaptations for nightly-2025-06-04

* add `simp low` lemma `injOn_of_eq_iff_eq`

* wip

* wip

* wip

* fix

* Trigger CI for leanprover-community/batteries#1220

* Merge master into nightly-testing

* chore: bump to nightly-2025-06-05

* Kick CI

* Bump lean4-cli

* Bump import-graph

* Kick CI

* update lakefile

* chore: use more robust syntax quotation in Shake

* Trigger CI for leanprover/lean4#8419

* Revert "chore: use more robust syntax quotation in Shake"

This reverts commit cd87328.

* fix(Shake): fix import syntax

@Kha this is deliberately using this approach because syntax quotations
are also not robust but for a different reason: they fail to parse the
new versions of the syntax (and do so at run time). And using all the
optional doohickeys will not be future proof. The current setup is
explicitly meant to ping me when there is a syntax change so I can
evaluate the right way to handle it. In this case we want all the
module options to be ignored (treated the same as a regular import
for the purpose of dependency tracking), we don't want to fail.

* cleanup lakefile

* chore: bump to nightly-2025-06-06

* Update lean-toolchain for testing leanprover/lean4#8653

* fix

* how did this get dropped?!?!

* chore: bump to nightly-2025-06-07

* chore: bump to nightly-2025-06-08

* chore: bump to nightly-2025-06-09

* fix lakefile

* fix lint-style for new Lean.Options API

* chore: bump to nightly-2025-06-10

* chore: bump to nightly-2025-06-09

* merge lean-pr-testing-4

* chore: bump to nightly-2025-06-11

* chore: adaptations for nightly-2025-06-11

* Update Shake/Main.lean

Co-authored-by: Johan Commelin <johan@commelin.net>

* Apply suggestions from code review

* revert

* chore: adaptations for nightly-2025-06-11

* cleanup grind tests

* chore: bump to nightly-2025-06-12

* merge lean-pr-testing-8419

* chore: bump to nightly-2025-06-12

* merge lean-pr-testing-8653

* adaptation note

* oops

* chore: adaptations for nightly-2025-06-12

* remove nolint simpNF

* remove spurious file

* Update lean-toolchain for testing leanprover/lean4#8751

* fix

* chore: bump to nightly-2025-06-13

* Merge master into nightly-testing

* fix

* remove upstreamed

* drop no-op `show`

* chore: bump to nightly-2025-06-14

* chore: bump to nightly-2025-06-15

* intentionally left blank

* fix tests

* chore: bump to nightly-2025-06-16

* fix upstream

* fix

* fix

* fixes

* chore: adaptations for nightly-2025-06-16

* chore: bump to nightly-2025-06-17

* fixes

* more fixes

* fixes!

* more fixes!

* hmm

* chore: adaptations for nightly-2025-06-17

---------

Co-authored-by: Jovan Gerbscheid <jovan.gerbscheid@gmail.com>
Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: Johan Commelin <johan@commelin.net>
Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: Kim Morrison <kim@tqft.net>
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
Co-authored-by: mathlib4-bot <github-mathlib4-bot@leanprover.zulipchat.com>
Co-authored-by: Sebastian Ullrich <sebasti@nullri.ch>
Co-authored-by: Mario Carneiro <di.gama@gmail.com>
Co-authored-by: sgouezel <sebastien.gouezel@univ-rennes1.fr>
Co-authored-by: Kyle Miller <kmill31415@gmail.com>
Co-authored-by: Rob23oba <robin.arnez@web.de>

* chore: adaptations for nightly-2025-06-17

* chore: lint `show` (adaptation for leanprover/lean4#7395) (leanprover-community#25749)

Adds `show` as an exception to the unused tactic linter and adds a separate linter for `show`s that should be replaced by `change`.
Context: https://leanprover.zulipchat.com/#narrow/channel/287929-mathlib4/topic/unused.20tactic.20linter.20for.20.60show.60/with/523701633

Co-authored-by: Christian Merten <christian@merten.dev>
Co-authored-by: Kenny Lau <kc_kennylau@yahoo.com.hk>
Co-authored-by: Fabrizio Barroero <fbarroero@gmail.com>
Co-authored-by: Rob23oba <robin.arnez@web.de>
Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: Rob23oba <152706811+Rob23oba@users.noreply.github.com>
Co-authored-by: Kim Morrison <kim@tqft.net>

* Update lean-toolchain for testing leanprover/lean4#8577

* chore: bump to nightly-2025-06-18

* chore: adaptations for nightly-2025-06-18

* Merge master into nightly-testing

* Update lean-toolchain for testing leanprover/lean4#8804

* Update lean-toolchain for testing leanprover/lean4#8699

* bump Qq and batteries

* meta adaptations

* bump aesop

* fix

* fix (adaptation note)

* Update lean-toolchain for leanprover/lean4#8699

* shake

* chore: adaptations for nightly-2025-06-18 (leanprover-community#26077)

* bump toolchain

* Adapt eqns

* Revert "Adapt eqns"

This reverts commit 34f1f7f.

* Simply remove check for now

* fix a bunch

* fixes?

* chore: adaptations for nightly-2025-06-04

* add `simp low` lemma `injOn_of_eq_iff_eq`

* wip

* wip

* wip

* fix

* Trigger CI for leanprover-community/batteries#1220

* Merge master into nightly-testing

* chore: bump to nightly-2025-06-05

* Kick CI

* Bump lean4-cli

* Bump import-graph

* Kick CI

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* chore: use more robust syntax quotation in Shake

* Trigger CI for leanprover/lean4#8419

* Revert "chore: use more robust syntax quotation in Shake"

This reverts commit cd87328.

* fix(Shake): fix import syntax

@Kha this is deliberately using this approach because syntax quotations
are also not robust but for a different reason: they fail to parse the
new versions of the syntax (and do so at run time). And using all the
optional doohickeys will not be future proof. The current setup is
explicitly meant to ping me when there is a syntax change so I can
evaluate the right way to handle it. In this case we want all the
module options to be ignored (treated the same as a regular import
for the purpose of dependency tracking), we don't want to fail.

* cleanup lakefile

* chore: bump to nightly-2025-06-06

* Update lean-toolchain for testing leanprover/lean4#8653

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* chore: bump to nightly-2025-06-09

* merge lean-pr-testing-4

* chore: bump to nightly-2025-06-11

* chore: adaptations for nightly-2025-06-11

* Update Shake/Main.lean

Co-authored-by: Johan Commelin <johan@commelin.net>

* Apply suggestions from code review

* revert

* chore: adaptations for nightly-2025-06-11

* cleanup grind tests

* chore: bump to nightly-2025-06-12

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* chore: bump to nightly-2025-06-12

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* chore: lint `show` (adaptation for leanprover/lean4#7395) (leanprover-community#25749)

Adds `show` as an exception to the unused tactic linter and adds a separate linter for `show`s that should be replaced by `change`.
Context: https://leanprover.zulipchat.com/#narrow/channel/287929-mathlib4/topic/unused.20tactic.20linter.20for.20.60show.60/with/523701633

Co-authored-by: Christian Merten <christian@merten.dev>
Co-authored-by: Kenny Lau <kc_kennylau@yahoo.com.hk>
Co-authored-by: Fabrizio Barroero <fbarroero@gmail.com>
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Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: Rob23oba <152706811+Rob23oba@users.noreply.github.com>
Co-authored-by: Kim Morrison <kim@tqft.net>

* chore: bump to nightly-2025-06-18

* chore: adaptations for nightly-2025-06-18

---------

Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: Kim Morrison <kim@tqft.net>
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Co-authored-by: github-actions <github-actions@github.com>
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* chore: bump to nightly-2025-06-19

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This PR adds shims so `grind` will understand Mathlib's `AddCommMonoid` and `AddCommGroup`. (Subsequent shims will connect up the order structures for modules and rings.)

* fix

* Update lean-toolchain for leanprover/lean4#8699

* fix: correct memoFix's use of unsafe code

* fix: adjust noncomputable annotations for new compiler

* fix: replace use of `open private _ in` with `open private _ from`

The implementation of `open private _ from` relies on specific
internals of the old compiler and will no longer work.

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* chore: adjust one maxHeartbeats for the new compiler

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This PR extends the shims converting from Mathlib to `Lean.Grind` typeclasses, now that `grind` knows about (non-commutative)-(semi)-rings.

* chore: bump to nightly-2025-06-20

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* chore: use more robust syntax quotation in Shake

* Trigger CI for leanprover/lean4#8419

* Revert "chore: use more robust syntax quotation in Shake"

This reverts commit cd87328.

* fix(Shake): fix import syntax

@Kha this is deliberately using this approach because syntax quotations
are also not robust but for a different reason: they fail to parse the
new versions of the syntax (and do so at run time). And using all the
optional doohickeys will not be future proof. The current setup is
explicitly meant to ping me when there is a syntax change so I can
evaluate the right way to handle it. In this case we want all the
module options to be ignored (treated the same as a regular import
for the purpose of dependency tracking), we don't want to fail.

* cleanup lakefile

* chore: bump to nightly-2025-06-06

* Update lean-toolchain for testing leanprover/lean4#8653

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* how did this get dropped?!?!

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* chore: bump to nightly-2025-06-11

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Co-authored-by: Johan Commelin <johan@commelin.net>

* Apply suggestions from code review

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* chore: lint `show` (adaptation for leanprover/lean4#7395) (leanprover-community#25749)

Adds `show` as an exception to the unused tactic linter and adds a separate linter for `show`s that should be replaced by `change`.
Context: https://leanprover.zulipchat.com/#narrow/channel/287929-mathlib4/topic/unused.20tactic.20linter.20for.20.60show.60/with/523701633

Co-authored-by: Christian Merten <christian@merten.dev>
Co-authored-by: Kenny Lau <kc_kennylau@yahoo.com.hk>
Co-authored-by: Fabrizio Barroero <fbarroero@gmail.com>
Co-authored-by: Rob23oba <robin.arnez@web.de>
Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
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---------

Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: Joachim Breitner <mail@joachim-breitner.de>
Co-authored-by: Kim Morrison <kim@tqft.net>
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Co-authored-by: Mario Carneiro <di.gama@gmail.com>
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Co-authored-by: sgouezel <sebastien.gouezel@univ-rennes1.fr>
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Co-authored-by: Rob23oba <152706811+Rob23oba@users.noreply.github.com>

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* chore: adaptations for nightly-2025-06-11

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Co-authored-by: Johan Commelin <johan@commelin.net>

* Apply suggestions from code review

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* chore: lint `show` (adaptation for leanprover/lean4#7395) (leanprover-community#25749)

Adds `show` as an exception to the unused tactic linter and adds a separate linter for `show`s that should be replaced by `change`.
Context: https://leanprover.zulipchat.com/#narrow/channel/287929-mathlib4/topic/unused.20tactic.20linter.20for.20.60show.60/with/523701633

Co-authored-by: Christian Merten <christian@merten.dev>
Co-authored-by: Kenny Lau <kc_kennylau@yahoo.com.hk>
Co-authored-by: Fabrizio Barroero <fbarroero@gmail.com>
Co-authored-by: Rob23oba <robin.arnez@web.de>
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* fix: replace use of `open private _ in` with `open private _ from`

The implementation of `open private _ from` relies on specific
internals of the old compiler and will no longer work.

* remove mul_hmul

* chore: adjust one maxHeartbeats for the new compiler

* linter

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---------

Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
Co-authored-by: mathlib4-bot <github-mathlib4-bot@leanprover.zulipchat.com>
Co-authored-by: Johan Commelin <johan@commelin.net>
Co-authored-by: github-actions <github-actions@github.com>
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---------

Co-authored-by: leanprover-community-mathlib4-bot <leanprover-community-mathlib4-bot@users.noreply.github.com>
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