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regex format checker crashes with ValueError on conflicting inline flags

Status: Open.

#1558 In python-jsonschema/jsonschema;

· vtushar06 opened on Aug 19, 2026

Avoid shipping benchmarks and tests in wheels

Status: Open.

#1552 In python-jsonschema/jsonschema;

· stefan6419846 opened on Aug 17, 2026

Feature request: allow a reference registry to have a fixed base_uri when the schema does not set "$id"

Status: Open.

#1547 In python-jsonschema/jsonschema;

· sirosen opened on Aug 9, 2026

regex format checker crashes with RecursionError on deeply nested patterns

Status: Open.

#1538 In python-jsonschema/jsonschema;

· deepakganesh78 opened on Aug 1, 2026

unevaluatedItems and unevaluatedProperties are quadratic in instance size

Status: Open.

#1536 In python-jsonschema/jsonschema;

· zhangj23 opened on Jul 30, 2026

Draft 2020-12 relative JSON Pointer index manipulation is rejected

Needs SimplificationAn issue which is in need of simplifying the example or issue being demonstrated for diagnosis.An issue which is in need of simplifying the example or issue being demonstrated for diagnosis.

Status: Open.

Bug

#1533 In python-jsonschema/jsonschema;

· dev-willbird1936 opened on Jul 25, 2026

is_duration raises an uncaught decimal.Overflow on a duration with a large exponent

Needs Test UpstreamIssues that need to have a test added to https://github.com/json-schema-org/JSON-Schema-Test-SuiteIssues that need to have a test added to https://github.com/json-schema-org/JSON-Schema-Test-Suite

Status: Open.

Bug

#1511 In python-jsonschema/jsonschema;

· vtushar06 opened on Jul 10, 2026

$dynamicRef doesn't find $dynamicAnchor overrides in root schemas without $id

Status: Open.

#1497 In python-jsonschema/jsonschema;

· aqeelat opened on Jun 12, 2026

multiple checker functions for a given format

Status: Open.

#1496 In python-jsonschema/jsonschema;

· filip-komarzyniec opened on Jun 12, 2026

RFC3339 year 0000 rejected by date-time format validation

Needs Test UpstreamIssues that need to have a test added to https://github.com/json-schema-org/JSON-Schema-Test-SuiteIssues that need to have a test added to https://github.com/json-schema-org/JSON-Schema-Test-Suite

Status: Open.

#1465 In python-jsonschema/jsonschema;

· Vaibhav701161 opened on Mar 15, 2026

Validation fails with multi-file schemas with relative file names

Status: Open.

#1454 In python-jsonschema/jsonschema;

· rhfogh opened on Feb 12, 2026

Validators pubilc API

Status: Open.

#1422 In python-jsonschema/jsonschema;

· mbant opened on Oct 13, 2025