leanprover-community/iris-lean

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Lean 4 port of Iris, a higher-order concurrent separation logic framework

Stars: 218
Forks: 63
Open beginner issues: 0
Indexed issues: 28
Avg merge: 1d 23h
Merged PRs (30d): 22

Dominant language: Lean
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue

Beginner friendly Everything

Open All

28 open issues indexed

Revisit Disabled Linters Open

chore

Difficulty 4/5 3-5 days Newbie friendliness 48/100

leanprover-community/iris-lean#696 · 1 reaction · Opened Sep 18, 2026
Remove custom Instance of Countable Open

Improvement

Difficulty 5/5 Over a week Newbie friendliness 30/100

leanprover-community/iris-lean#669 · Opened Aug 21, 2026
Explore alternatives to typeclass inference to specify inclusion in GF Open

Improvement

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/iris-lean#654 · Opened Aug 16, 2026
Minor porting inconsistencies in the Heaplang logic Open

Difficulty 3/5 1-2 days Newbie friendliness 62/100

leanprover-community/iris-lean#623 · Opened Aug 12, 2026
doc: Add a `rocq_ignore` variant for asserting that a typeclass instance exists Open

Improvement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

leanprover-community/iris-lean#615 · Opened Aug 11, 2026
`wp_rec` splits the goal via `wp_bind` where Rocq keeps it flat Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

leanprover-community/iris-lean#603 · 1 comment · Opened Aug 10, 2026
doc: Codify a consistent set of rules for `#rocq_ignore` and `rocq_alias` Open

documentation

Difficulty 5/5 Over a week Newbie friendliness 35/100

leanprover-community/iris-lean#581 · 3 reactions · Opened Aug 9, 2026
linter.checkUnivs triggers for `BundledGFunctors` and other definitions. Open

Improvement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

leanprover-community/iris-lean#517 · 1 comment · Opened Jul 15, 2026
Debug mode for tactics Open

experiment Improvement question

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/iris-lean#459 · 3 comments · Opened Jun 12, 2026
Experiment: Qp to Rat Open

experiment

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/iris-lean#453 · Opened Jun 10, 2026
iframe alterations Open

proof-mode

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/iris-lean#438 · Opened Jun 2, 2026
Investigate constructions fixed at `Type` Open

bug

Difficulty 5/5 Over a week Newbie friendliness 30/100

leanprover-community/iris-lean#436 · Opened Jun 1, 2026
Port iris_heap_lang/class_instances.v and iris_heap_lang/primitive_laws.v Open

feat porting

Difficulty 4/5 3-5 days Newbie friendliness 38/100

leanprover-community/iris-lean#432 · Opened Jun 1, 2026
Completeness Open

claimed experiment feat

leanprover-community/iris-lean#429 · 1 assignee · Opened May 31, 2026
Guarded fixpoints Open

claimed experiment feat

Difficulty 5/5 Over a week Newbie friendliness 45/100

leanprover-community/iris-lean#428 · 3 comments · Opened May 31, 2026
Iris data structures Open

experiment feat

Difficulty 5/5 Over a week Newbie friendliness 32/100

leanprover-community/iris-lean#427 · Opened May 31, 2026
feat: allow tracking of `rocq_concept`s which are blocked by other concept's implementation Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

leanprover-community/iris-lean#327 · Opened Apr 21, 2026
Port algebra/stepindex_finite.v Open

algebra feat porting

Difficulty 4/5 3-5 days Newbie friendliness 48/100

leanprover-community/iris-lean#230 · Opened Apr 7, 2026
Make OFE.hom an explicit subtype Open

Improvement

Difficulty 3/5 1-2 days Newbie friendliness 52/100

leanprover-community/iris-lean#197 · Opened Apr 4, 2026
Chore: Fix copyright information Open

chore

Difficulty 3/5 1-2 days Newbie friendliness 45/100

leanprover-community/iris-lean#192 · 2 comments · Opened Mar 30, 2026
Unfolding head term when idestruct fails Open

Improvement wontfix

Difficulty 4/5 3-5 days Newbie friendliness 45/100

leanprover-community/iris-lean#157 · 2 comments · Opened Feb 17, 2026
`grind` annotations for OFE operations Open

experiment

Difficulty 5/5 Over a week Newbie friendliness 35/100

leanprover-community/iris-lean#129 · 2 reactions · Opened Jan 23, 2026
Refactor TreeMap to use `simp_to_model` Open

experiment good first issue

Difficulty 3/5 1-2 days Newbie friendliness 38/100

leanprover-community/iris-lean#127 · Opened Jan 22, 2026
Contractivity tactic Open

experiment

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/iris-lean#123 · Opened Jan 20, 2026
Add docstrings Open

documentation good first issue

Difficulty 5/5 Over a week Newbie friendliness 20/100

leanprover-community/iris-lean#84 · 1 reaction · Opened Aug 6, 2025
Generalize algebraic constructions over the type of step indices Open

feat

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/iris-lean#29 · Opened May 14, 2025
Evaluate possibilities for expression quotation Open

feat

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/iris-lean#3 · Opened Oct 26, 2022
Equivalence vs. Equality - Generalized Rewriting Open

blocked feat

Difficulty 5/5 Over a week Newbie friendliness 25/100

leanprover-community/iris-lean#1 · Opened Oct 20, 2022

leanprover-community/iris-lean

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