In version 1.0.82 the following code was removed from FormatKeyword::newValidator. Making it impossible to add a custom format for date-time.
format = formats.get(formatName);
// if you set custom format, override default Email/DateTime/UUID Validator
if (format != null) {
return new FormatValidator(schemaPath, schemaNode, parentSchema, validationContext, format, type);
}
In version 1.0.82 the following code was removed from FormatKeyword::newValidator. Making it impossible to add a custom format for date-time.