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Having a grammar containing the nonterminal <exists> leads to a parsing error.

prio: lowLow priority issueLow priority issue

scope: enhancementNew feature or requestNew feature or request

status: future workTask is planned for the futureTask is planned for the future

Status: Open.

#853 In fandango-fuzzer/fandango;

· alex9849 opened on Mar 3, 2026

Issue on page /Constraints.html

Status: Open.

#847 In fandango-fuzzer/fandango;

· farbod-behnam opened on Mar 2, 2026

The benchmarking soft constraint test case fails on Windows in the CI

prio: highHigh priority issueHigh priority issue

scope: bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#845 In fandango-fuzzer/fandango;

· riesentoaster opened on Feb 27, 2026

Streamline spec parser unit test

prio: highHigh priority issueHigh priority issue

scope: choreInternal changes and cleanupInternal changes and cleanup

status: discussionTask requests further informationTask requests further information

Status: Open.

Task

#840 In fandango-fuzzer/fandango;

· riesentoaster opened on Feb 27, 2026

Address "unverified details" in Pipy

prio: lowLow priority issueLow priority issue

scope: documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

Task

#820 In fandango-fuzzer/fandango;

· andreas-zeller opened on Feb 25, 2026

Internal AttributeError: 'ItemSearch' object has no attribute 'symbol'

prio: mediumMedium priority issueMedium priority issue

scope: bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#811 In fandango-fuzzer/fandango;

· andreas-zeller opened on Feb 15, 2026

Issue on page /Protocols.html

scope: documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

#807 In fandango-fuzzer/fandango;

· andreas-zeller opened on Feb 2, 2026

Document max_repetitions

prio: mediumMedium priority issueMedium priority issue

scope: documentationImprovements or additions to documentationImprovements or additions to documentation

Status: Open.

Task

#797 In fandango-fuzzer/fandango;

· farbod-behnam opened on Jan 28, 2026

Have a channel for announcing news and updates

prio: mediumMedium priority issueMedium priority issue

scope: documentationImprovements or additions to documentationImprovements or additions to documentation

scope: enhancementNew feature or requestNew feature or request

status: discussionTask requests further informationTask requests further information

Status: Open.

Feature

#785 In fandango-fuzzer/fandango;

· andreas-zeller opened on Jan 22, 2026

Positional arguments fail for functions with default parameters

prio: mediumMedium priority issueMedium priority issue

scope: bugSomething isn't workingSomething isn't working

Status: Open.

Bug

#784 In fandango-fuzzer/fandango;

· ninjafail opened on Jan 22, 2026

Aim for constructive diversity (= grammar coverage) in regular input fuzzing, too

prio: mediumMedium priority issueMedium priority issue

Status: Open.

Feature

#750 In fandango-fuzzer/fandango;

· andreas-zeller opened on Jan 8, 2026

Dynamic <code>RepetitionBoundsConstraint</code> does not work with generators

status: help wantedTask requires extra attentionTask requires extra attention

Status: Open.

Bug

#742 In fandango-fuzzer/fandango;

· henryhchchc opened on Dec 19, 2025