Issues

• ‘when-let’ is an obsolete macro (as of 31.1)

  leanprover-community/lean4-mode#124 · Filter by author iwami4438 opened on Oct 18, 2026

• Native install instructions don't work

  leanprover-community/lean4-mode#115 · Filter by author jgarvin opened on Feb 10, 2026

• Debugging lean4-mode with lsp

  leanprover-community/lean4-mode#114 · Filter by author algebravic opened on Dec 23, 2025

• Status of this project and relation to nael-mode

  leanprover-community/lean4-mode#112 · Filter by author dschrempf opened on Oct 15, 2025
  4

• indent-region and indentation in general not working properly

  leanprover-community/lean4-mode#109 · Filter by author clementblaudeau opened on Jul 1, 2025

• Unknown request method: workspace/inlayHint/refresh

  leanprover-community/lean4-mode#108 · Filter by author DarkWingMcQuack opened on Jun 8, 2025
  1

• Remove automatic version detection

  leanprover-community/lean4-mode#104 · Filter by author mekeor opened on Apr 23, 2025 · 3. Breaking: Refactor
  

• lean4-mode is not automatically activated by .lean files using README instructions

  leanprover-community/lean4-mode#103 · Filter by author scuellar opened on Apr 10, 2025
  4

• Document the pitfall of modifying lean4-mode-hook before Lean4-Mode has been loaded

  leanprover-community/lean4-mode#101 · Filter by author JLimperg opened on Feb 24, 2025
  10

• Certain blackboard font characters break syntax-checking

  leanprover-community/lean4-mode#99 · Filter by author caelanritter opened on Jan 16, 2025 · 5. Features and Bugs
  1

• Code navigation

  leanprover-community/lean4-mode#98 · Filter by author ajirving opened on Dec 8, 2024 · 5. Features and Bugs
  1

• Info View without separate window

  leanprover-community/lean4-mode#95 · Filter by author ultronozm opened on Dec 5, 2024 · 5. Features and Bugs

• Hover docs in info view

  leanprover-community/lean4-mode#94 · Filter by author ultronozm opened on Dec 5, 2024 · 5. Features and Bugs

• Rework Abbreviations for Input Method

  leanprover-community/lean4-mode#93 · Filter by author mekeor opened on Dec 1, 2024 · 5. Features and Bugs
  5

• Offer menu-item for Flymake users?

  leanprover-community/lean4-mode#91 · Filter by author mekeor opened on Nov 27, 2024 · 5. Features and Bugs

• Remove lean4-lake.el in favor of Emacs built-in compile command

  leanprover-community/lean4-mode#90 · Filter by author mekeor opened on Nov 26, 2024 · 3. Breaking: Refactor
  2

• Remove lean4-keybinding-* user options and dissolve other parts of lean4-settings.el

  leanprover-community/lean4-mode#88 · Filter by author mekeor opened on Nov 24, 2024 · 3. Breaking: Refactor

• Don't depend on lsp-mode (by splitting into multiple packages?)

  leanprover-community/lean4-mode#71 · Filter by author mekeor opened on Jul 21, 2024 · 4. Breaking: Support both Eglot and lsp-mode

• Don't depend on Dash

  leanprover-community/lean4-mode#68 · Filter by author mekeor opened on Jul 21, 2024 · 4. Breaking: Support both Eglot and lsp-mode
  1

• Some unicode symbols are displayed as squares

  leanprover-community/lean4-mode#67 · Filter by author Yuhta opened on Jul 14, 2024 · 5. Features and Bugs
  3

• Failure of toolchain detection when .elan is a symlink

  leanprover-community/lean4-mode#66 · Filter by author JLimperg opened on Jul 2, 2024 · 5. Features and Bugs
  2

• Speed up syntax highlighting in case of lsp-mode semantic tokens

  leanprover-community/lean4-mode#53 · Filter by author jthulhu opened on Dec 14, 2023 · 5. Features and Bugs
  6

• Support collapsible trace nodes

  leanprover-community/lean4-mode#35 · Filter by author JLimperg opened on Mar 28, 2023 · 5. Features and Bugs
  3

• Adding evil keybindings

  leanprover-community/lean4-mode#32 · Filter by author lenianiva opened on Feb 16, 2023 · 5. Features and Bugs
  2

• Feature request: pause info buffer redisplay

  leanprover-community/lean4-mode#22 · Filter by author felipeochoa opened on Nov 23, 2022 · 5. Features and Bugs