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Bumping mathlib to 3069656 would break the build #756

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mathlib incompatibility detected

An incompatibility has been detected between this project and recent changes in mathlib.
In other words, this project can't advance to the tip of mathlib without breaking.

First incompatible mathlib commit: 3069656 — feat: haveI/letI tactic linter (#41657) (2026-07-29 (Jovan Gerbscheid)).

Last-known-good mathlib commit: af3493f — feat(MeasureTheory): prove regular measures have conull support (#41473) (2026-07-29 (Yongxi (Aaron) Lin))

Verified when leanprover/cslib was at: 81a3ad8 — refactor(LTS): refactor LTS/Relation properties (#748) (2026-08-02 (Samuel Schlesinger)).
You can reproduce this break by:

  • updating mathlib to 30696563acb0596ab44d272bc5dfee96b2e72263
  • running lake update mathlib
  • running lake build

downstream-reports reported at 2026-08-02T17:35:58Z · Workflow run · Job log · Failure log


This issue was last updated on 2026-08-02 by this workflow run. It is maintained automatically by downstream-reports/track-incompatibility. When the incompatibility is resolved, the issue is closed automatically with a comment.

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