fix(deps): update rust crate jsonschema to 0.37 #5

renovate · 2025-05-25T17:20:37Z

This PR contains the following updates:

Package	Type	Update	Change
jsonschema	dependencies	minor	`0.17` -> `0.37`

Release Notes

Stranger6667/jsonschema (jsonschema)

`v0.37.4`

Fixed

Stack overflow during validation of schemas with circular $ref chains (e.g., a -> b -> a).
Local $ref resolution within fragment-extracted external resources. #892

Removed

Deprecated PrimitiveType & PrimitiveTypesBitMap.

`v0.37.3`

Fixed

External resources not discovered within subresources of local $ref targets. #892

`v0.37.2`

Added

JsonTypeSet::len() and JsonTypeSet::remove() helpers for managing type sets.

Fixed

External resources not discovered through chained local $ref references. #892

`v0.37.1`

Fixed

Stack overflow on empty $ref value. #886

`v0.37.0`

Added

evaluate() top-level function for convenient access to structured validation output.
CLI: Schema-only validation now also validates all referenced schemas. #804
Support for additional contentEncoding values per RFC 4648: base64url, base32, base32hex, and base16. These encodings are now validated alongside the existing base64 support in Draft 6 and 7. #26
validator.iter_errors(instance).into_errors(). It returns a ValidationErrors type that collects validation errors and implements std::error::Error. #451

Changed

BREAKING: ValidationError fields are private; use instance(), kind(), instance_path(), and schema_path() instead of accessing struct fields directly.
BREAKING: ErrorIterator is now a newtype wrapper instead of Box<dyn ValidationErrorIterator>.

Performance

validate and other APIs returning Result<_, ValidationError> are 5–10% faster in some workloads due to the smaller error handle.
evaluate: Avoiding deep clones of unmatched keyword values (e.g., title, description, examples) on every schema node evaluation by using Arc internally. Can be multiple times faster for schemas with large annotations.

`v0.36.0`

Added

CLI: Structured --output flag|list|hierarchical modes now stream newline-delimited JSON records with schema/instance metadata plus JSON Schema Output v1 payloads (default text output remains human-readable).
CLI: --errors-only flag to suppress successful validation output and only show failures.
CLI: When invoked with only a schema file (no instances), validates the schema against its meta-schema. #804
New Validator::evaluate() API exposes JSON Schema Output v1 (flag/list/hierarchical) reports along with iterator helpers for annotations and errors.
meta::validator_for() function to build validators for meta-schema validation with full Validator API access.
Validator now implements Clone. #809

Removed

Validator::apply(), Output, and BasicOutput types have been removed in favor of the richer evaluate() API.

`v0.35.0`

Added

Support for custom meta-schemas. Schemas with custom $schema URIs can now be used by registering their meta-schemas in the Registry via jsonschema::options().with_registry(). #664
arbitrary-precision feature for exact numeric validation of large integers and decimals beyond standard floating-point limits. #103
Support for HTTPS $schema URIs for drafts 04, 06, and 07 (e.g., https://json-schema.org/draft-07/schema). #802

Changed

BREAKING: meta::is_valid now panics for unknown $schema values instead of defaulting to Draft 2020-12. meta::validate returns an error for unknown $schema values. Use meta::options().with_registry() to validate schemas against custom meta-schemas.
BREAKING: Resource::from_contents no longer returns Result and always succeeds, since draft detection no longer fails for unknown $schema values.

Removed

BREAKING: meta::try_is_valid and meta::try_validate. Use meta::is_valid and meta::validate instead.
BREAKING: primitive_type module (deprecated since 0.30.0). Use jsonschema::types instead.

Performance

required: short-circuit when the instance object has fewer properties than required keys.

`v0.34.0`

Changed

BREAKING: BasicOutput and Annotations no longer have lifetime parameters. Update type annotations from BasicOutput<'a> to BasicOutput and Annotations<'a> to Annotations.
referencing: URI caching now avoids hash collisions and reduces lock contention.
Update fluent-uri to 0.4.1.
Bump MSRV to 1.83.0.
Drop the Send + Sync bounds from Retrieve/AsyncRetrieve on wasm32.
Use the new draftX::meta::validator() helper so meta-schema validators lazy-init on wasm32 while native targets keep borrowing the cached jsonschema::meta::MetaValidator.

Fixed

Hostname and IDN hostname formats now decode xn-- labels, reject leading combining marks/uppercase prefixes, and enforce the latest JSON Schema punycode context rules.
Restore wasm32-unknown-unknown support. #785

Performance

apply now reuses cached schema locations, URI fragments, and buffers for up to ~2.5x faster validation.
Recursive and regular $ref compilation deduplicates validator nodes, which decreases the memory usage and improves performance.
Validator compilation restores the regex cache for faster builds on regex-heavy schemas and precomputes absolute schema locations, trading a bit of compile time for faster apply on location-heavy workloads.
Large schema compilation is significantly faster. #755
unevaluatedProperties validation is 25-35% faster through optimized property marking and early-exit paths.
unevaluatedProperties memory usage drastically reduced by eliminating redundant registry clones during compilation.
unevaluatedItems validation is ~10% faster through early-exit optimizations and eliminating redundant validations in combinators.

Removed

BREAKING: Validator::config to reduce the memory footprint.
BREAKING: Public DRAFT4_META_VALIDATOR, DRAFT6_META_VALIDATOR, DRAFT7_META_VALIDATOR, DRAFT201909_META_VALIDATOR, and DRAFT202012_META_VALIDATOR statics. Use draftX::meta::validator() helper functions instead (e.g., draft7::meta::validator()).

`v0.33.0`

Fixed

BREAKING: instance_path segments are now unescaped when iterating. LocationSegment::Property now holds Cow<'_, str> and LocationSegment is no longer Copy. #788

`v0.32.1`

Changed

Bump fancy-regex to 0.16.

`v0.32.0`

Added

Added missing context field to ValidationErrorKind::OneOfMultipleValid.

Changed

Improved error message for enum.

`v0.31.0`

Added

CLI: flag -d, --draft <4|6|7|2019|2020> to enforce a specific JSON Schema draft.
CLI: flags --assert-format and --no-assert-format to toggle validation of format keywords.
Added context for ValidationErrorKind::AnyOf and ValidationErrorKind::OneOfNotValid which contains errors for all subschemas, each inside a separate vector with an index matching subschema ID.

Fixed

Improve the precision of multipleOf for float values.

Changed

Bump fancy-regex to 0.15.

`v0.30.0`

Added

Support for custom meta-schemas. Schemas with custom $schema URIs can now be used by registering their meta-schemas in the Registry via jsonschema::options().with_registry(). #664
arbitrary-precision feature for exact numeric validation of large integers and decimals beyond standard floating-point limits. #103
Support for HTTPS $schema URIs for drafts 04, 06, and 07 (e.g., https://json-schema.org/draft-07/schema). #802

Changed

BREAKING: meta::is_valid now panics for unknown $schema values instead of defaulting to Draft 2020-12. meta::validate returns an error for unknown $schema values. Use meta::options().with_registry() to validate schemas against custom meta-schemas.
BREAKING: Resource::from_contents no longer returns Result and always succeeds, since draft detection no longer fails for unknown $schema values.

Removed

BREAKING: meta::try_is_valid and meta::try_validate. Use meta::is_valid and meta::validate instead.
BREAKING: primitive_type module (deprecated since 0.30.0). Use jsonschema::types instead.

Performance

required: short-circuit when the instance object has fewer properties than required keys.

`v0.29.1`

Added

Hash, PartialOrd, Ord and serde::Serialize for Location.
Make Location::join public.

`v0.29.0`

Breaking Changes

All builder methods on ValidationOptions now take ownership of self instead of &mut self.
This change enables better support for non-blocking retrieval of external resources during the process of building a validator.
Update your code to chain the builder methods instead of reusing the options instance:

// Before (0.28.x)
let mut options = jsonschema::options();
options.with_draft(Draft::Draft202012);
options.with_format("custom", my_format);
let validator = options.build(&schema)?;

// After (0.29.0)
let validator = jsonschema::options()
    .with_draft(Draft::Draft202012)
    .with_format("custom", my_format)
    .build(&schema)?;

The Retrieve trait's retrieve method now accepts URI references as &Uri<String> instead of &Uri<&str>.
This aligns with the async version and simplifies internal URI handling. The behavior and available methods remain the same, this is purely a type-level change.
```
// Before
fn retrieve(&self, uri: &Uri<&str>) -> Result<Value, Box<dyn std::error::Error + Send + Sync>>

// After
fn retrieve(&self, uri: &Uri<String>) -> Result<Value, Box<dyn std::error::Error + Send + Sync>>
```

Simplified Registry creation API:

Removed RegistryOptions::try_new and RegistryOptions::try_from_resources in favor of Registry::build
Removed Registry::try_with_resource_and_retriever - use Registry::options().retriever() instead
Registry creation is now consistently done through the builder pattern

// Before (0.28.x)
let registry = Registry::options()
    .draft(Draft::Draft7)
    .try_new(
        "http://example.com/schema",
        resource
    )?;

let registry = Registry::options()
    .draft(Draft::Draft7)
    .try_from_resources([
        ("http://example.com/schema", resource)
    ].into_iter())?;
  
let registry = Registry.try_with_resource_and_retriever(
    "http://example.com/schema",
    resource,
    retriever
)?;

// After (0.29.0)
let registry = Registry::options()
    .draft(Draft::Draft7)
    .build([
        ("http://example.com/schema", resource)
    ])?;

let registry = Registry::options()
    .draft(Draft::Draft7)
    .build([
        ("http://example.com/schema", resource)
    ])?;

let registry = Registry::options()
    .retriever(retriever)
    .build(resources)?;

Added

Support non-blocking retrieval for external resources during schema resolution via the new resolve-async feature. #385
Re-export referencing::Registry as jsonschema::Registry.
ValidationOptions::with_registry that allows for providing a predefined referencing::Registry. #682

Performance

Significantly improved validator compilation speed by using pointer-based references to schema fragments instead of cloning them during traversal.
Faster anchors & sub-resources lookups during validator compilation.

0.28.3 - 2025-01-24

Fixed

Panic when schema registry base URI contains an unencoded fragment.

Performance

Fewer JSON pointer lookups.

0.28.2 - 2025-01-22

Fixed

Resolving external references that nested inside local references. #671
Resolving relative references with fragments against base URIs that also contain fragments. #666

Performance

Faster JSON pointer resolution.

0.28.1 - 2024-12-31

Fixed

Handle fragment references within $id-anchored subschemas. #640

0.28.0 - 2024-12-29

Added

Implement IntoIterator for Location to iterate over LocationSegment.
Implement FromIter for Location to build a Location from an iterator of LocationSegment.
ValidationError::to_owned method for converting errors into owned versions.
Meta-schema validation support. #442

0.27.1 - 2024-12-24

Added

Implement ExactSizeIterator for PrimitiveTypesBitMapIterator.

0.27.0 - 2024-12-23

Added

Added masked() and masked_with() methods to ValidationError to support hiding sensitive data in error messages. #434

Changed

Improved error message for unknown formats.
Bump MSRV to 1.71.1.

0.26.2 - 2024-12-16

Documentation

Fix documentation for validate

0.26.1 - 2024-10-29

Fixed

Return "Unknown specification" error on https-prefixed $schema for Draft 4, 5, 6. #629

0.26.0 - 2024-10-26

Important: This release contains breaking changes. See the Migration Guide for details on transitioning to the new API.

Added

Validator::iter_errors that iterates over all validation errors.

Changed

BREAKING: Remove unused ValidationErrorKind::JSONParse, ValidationErrorKind::InvalidReference, ValidationErrorKind::Schema, ValidationErrorKind::FileNotFound and ValidationErrorKind::Utf8.
BREAKING: Validator::validate now returns the first error instead of an iterator in the Err variant.

Performance

Optimize error formatting in some cases.

0.25.1 - 2024-10-25

Fixed

Re-export referencing::Error as ReferencingError. #614

0.25.0 - 2024-10-24

Important: This release removes deprecated old APIs. See the Migration Guide for details on transitioning to the new API.

Changed

BREAKING: Default to Draft 2020-12.

Removed

Deprecated draft201909, draft202012, and cli features.
Deprecated CompilationOptions, JSONSchema, PathChunkRef, JsonPointerNode, and SchemaResolverError aliases.
Deprecated jsonschema::compile, Validator::compile, ValidationOptions::compile, ValidationOptions::with_resolver, ValidationOptions::with_meta_schemas, ValidationOptions::with_document functions.
Deprecated SchemaResolver trait.

0.24.3 - 2024-10-24

Fixed

Infinite recursion when using mutually recursive $ref in unevaluatedProperties.

0.24.2 - 2024-10-24

Fixed

Infinite recursion in some cases. #146
$ref interaction with $recursiveAnchor in Draft 2019-09.
unevaluatedProperties with $recursiveRef & $dynamicRef.

0.24.1 - 2024-10-21

Fixed

Incomplete external reference resolution.

0.24.0 - 2024-10-20

Added

Support $ref, $recursiveRef, and $dynamicRef in unevaluatedItems. #287
Support for $vocabulary. #263

Changed

Ignore prefixItems under Draft 2019-09 as it was introduced in Draft 2020-12.

Fixed

Numbers with zero fraction incorrectly handled in uniqueItems.

Performance

Speedup apply.

0.23.0 - 2024-10-12

Added

Partial support for unevaluatedItems, excluding references.

Changed

Improve error messages on WASM. #568
Improve error messages on URI resolving and parsing.
BREAKING: Replace JsonPointer in favor of Location.

Deprecated

PathChunkRef in favor of LocationSegment.
JsonPointerNode in favor of LazyLocation.

Fixed

Resolving file references on Windows. #441
Missing annotations from by-reference applicators. #403
Relative keyword locations missing by-reference applicators (such as $ref or $dynamicRef).

Performance

Faster building of a validator.
Speedup hostname & idn-hostname formats validation.
Speedup apply.

Removed

JsonPointerNode::to_vec without a replacement.

0.22.3 - 2024-10-05

Performance

Speedup resolving.

0.22.2 - 2024-10-04

Fixed

ECMAScript 262 regex support.

Performance

Speedup json-pointer and relative-json-pointer formats validation.

0.22.1 - 2024-10-03

Fixed

Removed dbg! macro.

0.22.0 - 2024-10-03

Changed

Extend email validation. #471
BREAKING: Custom retrievers now receive &Uri<&str> instead of &UriRef<&str>
Bump once_cell to 1.20.
Bump regex to 1.11.

Fixed

time format validation (leap seconds and second fractions).
duration format validation.
Panic on root $id without base. #547
hostname format validation (double dot).
idn-hostname format validation. #101

Performance

Faster building of a validator.
Speedup hostname, date, time, date-time, and duration formats validation.
Cache regular expressions for pattern. #417

0.21.0 - 2024-09-29

Important: This release brings a complete rework of reference resolving which deprecates some older APIs.
While backward compatibility is maintained for now, users are encouraged to update their code. See the Migration Guide for details on transitioning to the new API.

Added

$anchor support.
$recursiveRef & $recursiveAnchor support in Draft 2019-09.
$dynamicRef & $dynamicAnchor support in Draft 2020-12.

Changed

BREAKING: Treat $ref as URI, not URL, and additionally normalize them. #454
BREAKING: Resolve all non-recursive references eagerly.
BREAKING: Disallow use of fragments in $id. #264

Deprecated

SchemaResolver trait and SchemaResolverError in favor of a simpler Retrieve that works with Box<dyn std::error::Error>.
In turn, it also deprecates ValidationOptions::with_resolver in favor of ValidationOptions::with_retriever
ValidationOptions::with_document in favor of ValidationOptions::with_resource.

Fixed

Infinite recursion in unevaluatedProperties. #420
Cross-draft validation from newer to older ones.
Changing base URI in folder.
Location-independent identifier in remote resource.
Missing some format validation for Draft 2020-12.
Incomplete iri & iri-reference validation.

Performance

Faster validation for uri, iri, uri-reference, and iri-reference formats.

0.20.0 - 2024-09-18

Important: This release includes several deprecations and renames. While backward compatibility is maintained for now, users are encouraged to update their code. See the Migration Guide for details on transitioning to the new API.

Added

New draft-specific modules for easier version-targeted validation:
- jsonschema::draft4
- jsonschema::draft6
- jsonschema::draft7
- jsonschema::draft201909
- jsonschema::draft202012
  Each module provides new(), is_valid(), and options() functions.
jsonschema::options() function as a shortcut for jsonschema::Validator::options(), that allows for customization of the validation process.

Changed

Make Debug implementation for SchemaNode opaque.
Make jsonschema::validator_for and related functions return ValidationError<'static> in their Err variant.
This change makes possible to use the ? operator to return errors from functions where the input schema is defined.

Deprecated

Rename CompilationOptions to ValidationOptions for clarity.
Rename JSONSchema to Validator for clarity. #424
Rename JSONPointer to JsonPointer for consistency with naming conventions. #424
Rename jsonschema::compile to jsonschema::validator_for.
Rename CompilationOptions::compile to ValidationOptions::build.

Old names are retained for backward compatibility but will be removed in a future release.

Fixed

Location-independent references in remote schemas on drafts 4, 6, and 7.

0.19.1 - 2024-09-15

Fixed

ipv4 format validation. #512

0.19.0 - 2024-09-14

Added

jsonschema::compile shortcut.

Changed

Bump MSRV to 1.70.

Fixed

uuid format validation.
Combination of unevaluatedProperties with allOf and oneOf. #496

Deprecated

cli feature in favor of a separate jsonschema-cli crate.
draft201909 and draft202012 features. The relevant functionality is now enabled by default.

Performance

uuid validation via uuid-simd.

0.18.3 - 2024-09-12

Fixed

Changing base URI when $ref is present in drafts 7 and earlier.
Removed dbg! macro.

0.18.2 - 2024-09-11

Fixed

Ignoring $schema in resolved references.
Support integer-valued numbers for maxItems, maxLength, maxProperties, maxContains, minItems, minLength, minProperties, minContains.

Deprecated

with_meta_schemas() method. Meta schemas are included by default.

0.18.1 - 2024-08-24

Added

ErrorDescription::into_inner to retrieve the inner String value.

0.18.0 - 2024-05-07

Added

Custom keywords support. #379
Expose JsonPointerNode that can be converted into JSONPointer.
This is needed for the upcoming custom validators support.

Changed

Bump base64 to 0.22.
Bump clap to 4.5.
Bump fancy-regex to 0.13.
Bump fraction to 0.15.
Bump memchr to 2.7.
Bump once_cell to 1.19.
Bump percent-encoding to 2.3.
Bump regex to 1.10.
Bump url to 2.5.
Build CLI only if the cli feature is enabled.
BREAKING: Extend CompilationOptions to support more ways to define custom format checkers (for example in Python bindings).
In turn it changes ValidationErrorKind::Format to contain a String instead of a &'static str.

Fixed

Incorrect schema_path when multiple errors coming from the $ref keyword #426

Performance

Optimize building JSONPointer for validation errors by allocating the exact amount of memory needed.
Avoid cloning path segments during validation.

0.17.1 - 2023-07-05

Changed

Improved error messages for oneOf / anyOf keywords. #429

Fixed

Improper handling of subschema validation in unevaluatedProperties. #421

0.17.0 - 2023-03-16

Changed

Bump base64 to 0.21.
Bump fancy-regex to 0.11.
Bump fraction to 0.13.
Bump iso8601 to 0.6.
Replace lazy_static with once_cell.
Add support for unevaluatedProperties. (gated by the draft201909/draft202012 feature flags). #288
When using the draft 2019-09 or draft 2020-12 specification, $ref is now evaluated alongside
other keywords. #378

0.16.1 - 2022-10-20

Added

Add a compilation option (should_ignore_unknown_formats()) that allows treating unknown formats as compilation errors.

0.16.0 - 2022-04-21

Fixed

Library compilation with no default features. #356
Compilation with resolve-file only. #358

Changed

BREAKING: Revert changes from #353 and #343, as they caused compilation issues.

0.15.2 - 2022-04-10

Fixed

Allow HTTP(S) schema resolving with rustls. #353

0.15.1 - 2022-04-02

Fixed

Enable reqwest/native-tls by default to avoid validation errors caused by reqwest missing a TLS backend. #343

0.15.0 - 2022-01-31

Added

The SchemaResolver trait to support resolving external schema references. #246
resolve-file feature to resolve external schema files via std::fs. #76

Changed

The reqwest feature was changed to resolve-http. #341

Performance

CLI: Use serde::from_reader instead of serde::from_str.

0.14.0 - 2022-01-23

Changed

Bump itoa to 1.0. #337

Performance

Optimize the loop implementation used for uniqueness check on short arrays.
Simplify equal_arrays helper.
Shortcut for false schemas.
Reduce the number of generated LLVM lines.
Do less work when resolving fragments.
Avoid cloning the value when resolving empty fragments.
Optimize searching by pointer in JSON documents.

0.13.3 - 2021-12-08

Changed

Make BasicOutput.is_valid public.

Fixed

False positives in some cases when calling JSONSchema.apply on schemas with additionalProperties, patternProperties, and properties combined.
False negatives in some cases when calling JSONSchema.apply on schemas with if and then (without else) keywords. #318
Panic in JSONSchema.apply on some schemas with prefixItems and items. It panicked if items is an object and the length of prefixItems is greater than the length of the input array.

Performance

Remove unused private field in JSONSchema, that lead to improvement in the compilation performance.
Optimize the multipleOf implementation, which now can short-circuit in some cases.
Add special cases for arrays with 2 and 3 items in the uniqueItems keyword implementation.
Remove the schema argument from all methods of the Validate trait.

0.13.2 - 2021-11-04

Added

Support for prefixItems keyword. #303
Expose methods to examine OutputUnit.

0.13.1 - 2021-10-28

Fixed

Missing derive from serde.

0.13.0 - 2021-10-28

Added

uuid format validator. #266
duration format validator. #265
Collect annotations whilst evaluating schemas. #262
Option to turn off processing of the format keyword. #261
basic & flag output formatting styles. #100
Support for dependentRequired & dependentSchemas keywords. #286
Forward reqwest features.

Changed

INTERNAL. A new Draft201909 variant for the Draft enum that is available only under the draft201909 feature. This feature is considered private and should not be used outside of the testing context.
It allows us to add features from the 2019-09 Draft without exposing them in the public API. Therefore, support for this draft can be added incrementally.
The Draft enum is now marked as non_exhaustive.
ValidationError::schema was removed and the calls replaced by proper errors.

Performance

Reduce the size of PrimitiveTypesBitMapIterator from 3 to 2 bytes. #282
Use the bytecount crate for maxLength & minLength keywords, and for the hostname format.

0.12.2 - 2021-10-21

Fixed

Display the original value in errors from minimum, maximum, exclusiveMinimum, exclusiveMaximum. #215
Switch from chrono to time==0.3.3 due to RUSTSEC-2020-0159 in older time versions that chrono depends on.

0.12.1 - 2021-07-29

Fixed

Allow using empty arrays or arrays with non-unique elements for the enum keyword in schemas. #258
Panic on incomplete escape sequences in regex patterns. #253

0.12.0 - 2021-07-24

Added

Support for custom format validators. #158

Changed

Validators now implement Display instead of ToString.
JSONSchema now owns its data. #145

0.11.0 - 2021-06-19

Added

Report schema paths in validation errors - ValidationError.schema_path. #199

Fixed

Incorrect encoding of / and ~ characters in fmt::Display implementation for JSONPointer. #233

0.10.0 - 2021-06-17

Added

BREAKING: Meta-schema validation for input schemas. By default, all input schemas are validated with their respective meta-schemas
and instead of CompilationError there will be the usual ValidationError. #198

Removed

CompilationError. Use ValidationError instead.

0.9.1 - 2021-06-17

Fixed

The format validator incorrectly rejecting supported regex patterns. #230

0.9.0 - 2021-05-07

Added

Support for look-around patterns. #183

Fixed

Extend the email format validation. Relevant test case from the JSONSchema test suite - email.json.

0.8.3 - 2021-05-05

Added

paths::JSONPointer implements IntoIterator over paths::PathChunk.

Fixed

Skipped validation on an unsupported regular expression in patternProperties. #213
Missing array type in error messages for type validators containing multiple values. #216

0.8.2 - 2021-05-03

Performance

Avoid some repetitive String allocations during validation.
Reduce the number of RwLock.read() calls in $ref validators.
Shortcut in the uniqueItems validator for short arrays.
additionalProperties. Use vectors instead of AHashMap if the number of properties is small.
Special handling for single-item required validators.
Special handling for single-item enum validators.
Special handling for single-item allOf validators.
Special handling for single-item patternProperties validators without defined additionalProperties.

Fixed

Floating point overflow in the multipleOf validator. Relevant test case from the JSONSchema test suite - float_overflow.json.

0.8.1 - 2021-04-30

Performance

Avoid String allocation in JSONPointer.into_vec.
Replace heap-allocated InstancePath with stack-only linked list.

0.8.0 - 2021-04-27

Changed

The propertyNames validator now contains the parent object in its instance attribute instead of individual properties as strings.
Improved error message for the additionalProperties validator. After - Additional properties are not allowed ('faz' was unexpected), before - False schema does not allow '"faz"'.
The additionalProperties validator emits a single error for all unexpected properties instead of separate errors for each unexpected property.
Breaking: ValidationError.instance_path is now a separate struct, that can be transformed to Vec<String> or JSON Pointer of type String.

Fixed

All instance_path attributes are pointing to the proper location.

0.7.0 - 2021-04-27

Added

ValidationError.instance_path that shows the path to the erroneous part of the input instance.
It has the Vec<String> type and contains components of the relevant JSON pointer.

Changed

Make fields of ValidationError public. It allows the end-user to customize errors formatting.

Fixed

Reject IPv4 addresses with leading zeroes. As per the new test case in the JSONSchema test suite. More info
Do not look for sub-schemas inside const and enum keywords. Fixes an issue checked by these tests
Check all properties in the required keyword implementation. #190

Removed

Not used ValidationErrorKind::Unexpected.

0.6.1 - 2021-03-26

Fixed

Incorrect handling of \w and \W character groups in pattern keywords. #180
Incorrect handling of strings that contain escaped character groups (like \\w) in pattern keywords.

0.6.0 - 2021-02-03

Fixed

Missing validation errors after the 1st one in additionalProperties validators.

Performance

Do not use rayon in items keyword as it gives significant overhead for a general case.
Avoid partially overlapping work in additionalProperties / properties / patternProperties validators. #173

0.5.0 - 2021-01-29

Added

Cache for documents loaded via the $ref keyword. #75
Meta schemas for JSON Schema drafts 4, 6, and 7. #28

Fixed

Not necessary network requests for schemas with $id values with trailing # symbol. #163

Performance

Enum validation for input values that have a type that is not present among the enum variants. #80

Removed

-V/--validator options from the CLI. They were no-op and never worked.

0.4.3 - 2020-12-11

Documentation

Make examples in README.md runnable.

0.4.2 - 2020-12-11

Changed

Move paste to dev dependencies.

Fixed

Number comparison for enum and const keywords. #149
Do not accept date strings with single-digit month and day values. #151

Performance

Some performance related changes were rolled back, due to increased complexity.

0.4.1 - 2020-12-09

Fixed

Integers not recognized as numbers when the type keyword is a list of multiple values. #147

0.4.0 - 2020-11-09

Added

Command Line Interface. #102
ToString trait implementation for validators.
Define JSONSchema::options to customise JSONSchema compilation #131
Allow user-defined contentEncoding and contentMediaType keywords

Fixed

ECMAScript regex support
Formats should be associated to Draft versions (ie. idn-hostname is not defined on draft 4 and draft 6)

0.3.1 - 2020-06-21

Changed

Enable Link-Time Optimizations and set codegen-units to 1. #104

Fixed

items allows the presence of boolean schemas. #115

0.3.0 - 2020-06-08

Added

JSONSchema Draft 4 support (except one optional case). #34
CI builds. #35 and #36
Implement specialized is_valid methods for all keywords.
Use rayon in items keyword validation.
Various clippy lints. #66
Debug implementation for JSONSchema and Resolver. #97
Default implementation for Draft.

Changed

Do not pin dependencies. #90
Use to_string instead of format!. #85
Cache compiled validators in $ref keyword. #83
Use bitmap for validation of multiple types in type keyword implementation. #78
Return errors instead of unwrap in various locations. #73
Improve debug representation of validators. #70
Reduce the number of match statements during compilation functions resolving.
Use expect instead of unwrap for known cases when it is known that the code won't panic.
Add specialized validators for all format cases.
Reuse DEFAULT_SCOPE during reference resolving.
Replace some Value::as_* calls with if let.
Inline all compile functions.
Optimize format keyword compilation by using static strings.
Optimize compilation of true, false and $ref validators.
Reuse parsed DEFAULT_ROOT_URL in JSONSchema::compile.
Avoid string allocation during scope parsing in JSONSchema::compile.
Refactor benchmark suite
Use BTreeSet in additionalProperties keyword during compilation to reduce the amount of copied data. #91

Fixed

Wrong implementation of is_valid for additionalProperties: false keyword case. #61
Possible panic due to type conversion in some numeric validators. #72
Precision loss in minimum, maximum, exclusiveMinimum and exclusiveMaximum validators. #84

0.2.0 - 2020-03-30

Added

Implement is_valid for various validators.
Implement Error and Display for CompilationError

Changed

Debug representation & error messages in various validators.
Make ErrorIterator Sync and Send.

Fixed

Return CompilationError on invalid input schemas instead of panic.

0.1.0 - 2020-03-29

Initial public release

`v0.28.3`

Breaking Changes

All builder methods on ValidationOptions now take ownership of self instead of &mut self.
This change enables better support for non-blocking retrieval of external resources during the process of building a validator.
Update your code to chain the builder methods instead of reusing the options instance:

// Before (0.28.x)
let mut options = jsonschema::options();
options.with_draft(Draft::Draft202012);
options.with_format("custom", my_format);
let validator = options.build(&schema)?;

// After (0.29.0)
let validator = jsonschema::options()
    .with_draft(Draft::Draft202012)
    .with_format("custom", my_format)
    .build(&schema)?;

The Retrieve trait's retrieve method now accepts URI references as &Uri<String> instead of &Uri<&str>.
This aligns with the async version and simplifies internal URI handling. The behavior and available methods remain the same, this is purely a type-level change.
```
// Before
fn retrieve(&self, uri: &Uri<&str>) -> Result<Value, Box<dyn std::error::Error + Send + Sync>>

// After
fn retrieve(&self, uri: &Uri<String>) -> Result<Value, Box<dyn std::error::Error + Send + Sync>>
```

Simplified Registry creation API:

Removed RegistryOptions::try_new and RegistryOptions::try_from_resources in favor of Registry::build
Removed Registry::try_with_resource_and_retriever - use Registry::options().retriever() instead
Registry creation is now consistently done through the builder pattern

// Before (0.28.x)
let registry = Registry::options()
    .draft(Draft::Draft7)
    .try_new(
        "http://example.com/schema",
        resource
    )?;

let registry = Registry::options()
    .draft(Draft::Draft7)
    .try_from_resources([
        ("http://example.com/schema", resource)
    ].into_iter())?;
  
let registry = Registry.try_with_resource_and_retriever(
    "http://example.com/schema",
    resource,
    retriever
)?;

// After (0.29.0)
let registry = Registry::options()
    .draft(Draft::Draft7)
    .build([
        ("http://example.com/schema", resource)
    ])?;

let registry = Registry::options()
    .draft(Draft::Draft7)
    .build([
        ("http://example.com/schema", resource)
    ])?;

let registry = Registry::options()
    .retriever(retriever)
    .build(resources)?;

Added

Support non-blocking retrieval for external resources during schema resolution via the new resolve-async feature. #385
Re-export referencing::Registry as jsonschema::Registry.
ValidationOptions::with_registry that allows for providing a predefined referencing::Registry. #682

Performance

Significantly improved validator compilation speed by using pointer-based references to schema fragments instead of cloning them during traversal.
Faster anchors & sub-resources lookups during validator compilation.

0.28.3 - 2025-01-24

Fixed

Panic when schema registry base URI contains an unencoded fragment.

Performance

Fewer JSON pointer lookups.

0.28.2 - 2025-01-22

Fixed

Resolving external references that nested inside local references. #671
Resolving relative references with fragments against base URIs that also contain fragments. #666

Performance

Faster JSON pointer resolution.

0.28.1 - 2024-12-31

Fixed

Handle fragment references within $id-anchored subschemas. #640

0.28.0 - 2024-12-29

Added

Implement IntoIterator for Location to iterate over LocationSegment.
Implement FromIter for Location to build a Location from an iterator of LocationSegment.
ValidationError::to_owned method for converting errors into owned versions.
Meta-schema validation support. [#442](https://redirect.github.com/Str

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Breaking Changes

Added

Performance

0.28.3 - 2025-01-24

Fixed

Performance

0.28.2 - 2025-01-22

Fixed

Performance

0.28.1 - 2024-12-31

Fixed

0.28.0 - 2024-12-29

Added

0.27.1 - 2024-12-24

Added

0.27.0 - 2024-12-23

Added

Changed

0.26.2 - 2024-12-16

Documentation

0.26.1 - 2024-10-29

Fixed

0.26.0 - 2024-10-26

Added

Changed

Performance

0.25.1 - 2024-10-25

Fixed

0.25.0 - 2024-10-24

Changed

Removed

0.24.3 - 2024-10-24

Fixed

0.24.2 - 2024-10-24

Fixed

0.24.1 - 2024-10-21

Fixed

0.24.0 - 2024-10-20

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