Here are people who have contributed to Jackson JSON process development:
(version numbers in brackets indicate release in which the problem was fixed)

Tatu Saloranta, tatu.saloranta@iki.fi: author

Ryan Heaton, ryan@webcohesion.com: co-author

Peter Harris, Peter.Harris@betfair.com: contributor

Sunny Gleason, sunny@ning.com: contributor

Alain Penders:
  * Reported problem with JavaTypeMapper, where floating point numbers were
    accidentally converted to Booleans.
    [0.8]

Mike Eastey:
  * Reported problem with JavaTypeMapper had a bug which prevented custom
    mappers (as well as slower interface-based introspection) from working,
    provided path to specific underlying bugs.
    [0.8.2]

Augusto Callejas:
  * Reported problem with JavaTypeMapper (and JsonTypeMapper), which
    caused read operation not to handle EOF appropriately but instead
    cause a NullPointerException.
    [0.9]

Maciej Pestka:
  * JavaTypeMapper did not implicitly flush generator after mapping
    objects: it should, and now will (note: JsonTypeMapper not directly
    affected, flushing still needed)
    [0.9]

Tudor Bosman:
  * Symbol table handling not thread-safe
    [0.9.3]

Michael Mangeng:
  * Suggested [JACKSON-1]: make JsonNode implement Iterable<JsonNode> to
    allow use of Java 5 foreach loop with container nodes.
    [0.9.3]

Johannes Link:
  * Reported [JACKSON-8]: Serialization of BigDecimal broken with JavaTypeMapper
    [0.9.3]

Stanislaw Osinski:
  * Reported [JACKSON-14], contributed code to resolve it and improve
    generics-handling significantly.
    [0.9.4]
 	 
Michael Descher:
  * Reported [JACKSON-18], ArrayIndexOutOfBounds on IntNode, due to
    off-by-one problem with comparisons used for caching common values.
    [0.9.4]

Mike Goodwin:
  * Suggested [JACKSON-9]: Add support for (non-standard) Json comments.
    [0.9.4]

Ray Racine:
  * Pointed out [JACKSON-25]: Problems with Maven pom for lgpl version
    [0.9.4-backport]
  * Reported [JACKSON-619] SmileParser.getCurrentLocation(), getTokenLocation()
    not reporting actual byte offsets.
    [1.9.0]

Scott Dixon:
  * Contributed unit test (TestComplexJavaType) for verifying functioning
    of object serialization
    [0.9.5]
  * Suggested [JACKSON-38] Allow serializing/deserializing DOM trees (Node, Document)
    [1.4.0]
  * Suggested [JACKSON-45]: Add convenience methods to simplify writing
    custom serializers
    [1.0.0]

Justin Friedl:
  * Requested [JACKSON-52]: ability to disable getter method auto-detection
    [0.9.9]
  * Reported [JACKSON-53] (and suggested way to fix it): problem serializing
    iBatis bean classes generated (or wrapped) by CGLib. Probably would also
    have caused problems with Hibernate and other frameworks.
    [0.9.8]
  * Requested [JACKSON-61]: Allow suppressing writing of bean properties
    with null values
    [0.9.9-3]
  * Reported [JACKSON-62]: NPE with JsonMappingException
    [0.9.9]

Scott Anderson:
  * Suggested [JACKSON-48]: Integrate ObjectMapper with JsonGenerator,
    JsonParser; add MappingJsonFactory.
    [0.9.9]
  * Requested [JACKSON-84]: Add JsonGenerator.writeRawValue method(s).
    [0.9.9-3]
  * Requested [JACKSON-106]: Add 'org.codehaus.jackson.io.CharacterEscapes' which can
    be registered with JsonFactory, JsonGenerator, to add fully customized character
    escaping handling
    [1.8.0]

Kevin Grained:
  * Reported [JACKSON-58] (and suggested a fix): NPE with String[]
    serialization
    [0.9.9]

Eldar Abusalimov:
  * Reported [JACKSON-81]: Data binding code could lead to unnecessary
    blocking because it tried to advance parser (and stream) after binding
   [0.9.9-3]
  * Reported [JACKSON-99]: IOExceptions should not be wrapped during object
    mapping.
   [0.9.9-4]

Stephen Duncan jr:
  * Pointed out problem with JacksonJsonProvider where strict equality
    comparison was used instead of using MediaType.isCompatible().
   [0.9.9-4]

Ray Tsang:
  * Reported [JACKSON-103] (problem with Groovy class serialization),
    submitted fix
   [0.9.9-7]

Oleksandr Alesinskyy:
  * Reported [JACKSON-104], problems with packaging, build.
   [0.9.9-7]

Christoph Strebin:
  * Requested [JACKSON-102], ability to force escaping of non-ASCII characters
   [1.8.0]
  * Requested [JACKSON-105], proposed a way to implement it:
    Allow suppressing output of "default values"; which
    means value of a property when bean is constructed using the default
    no-arg constructor
   [1.1.0]
  * Reported [JACKSON-568] Package 'org.codehaus.jackson.util' missing from
    core/lgpl jar
   [1.8.1]
  * Suggested [JACKSON-531] Comparing actual and default value (for
    JsonSerialize.Inclusion.NON_DEFAULT) should check array contents
   [1.9.0]

Peter Harris:
  * Reported [JACKSON-139], provided patch for fixing it: Non-numeric
    double values (NaN, Infinity) are serialized as invalid JSON tokens
    (reported by Peter H)
   [1.1.1]

Dan Simpson:
  * Reported [JACKSON-144]: Static "getter-like" methods mistaken for
    getters (for serialization)
   [1.1.2]

Gregory Gerard:
  * Reportd [JACKSON-143]: NPE on ArrayNode.equals() when comparing empty
    array node to non-empty array node
   [1.1.2]

Dain Sundstrom:
  * Suggested addition of "-use" for javadoc generation
   [1.2.0]
  * Suggested [JACKSON-136] JsonParser and JsonGenerator should implement
    java.io.Closeable (since they already have close() method)
   [1.2.0]
  * Suggested [JACKSON-706] Joda support: add support for "org.joda.time.Period"
   [1.9.2]

Gabe Schnaubelt:
  * Reported [JACKSON-155]: Failed to serialize java.io.File (with infinite
    recursion)
   [1.3.0]

Benjamin Darfler:
  * Suggested [JACKSON-164]: Improve null-handling in JsonGenerator.writeStringField()
   [1.3.0]
  * Suggested [JACKSON-165]: Add JsonParser.getBooleanValue() convenience method
   [1.3.0]

Troy Waldrep:
  * Reported [JACKSON-162]: OSGi packaging problems for xc package.
   [1.3.0]
 
Randy Layma:
  * Reported [JACKSON-171]: Self-referential types cause infinite recursion
    when using only JAXB annotation introspector
   [1.3.0]

Shay Banon:
  * Suggested [JACKSON-168] Make JsonLocation serializable (and deserializable)
   [1.3.0]
  * Reported [JACKSON-376] writing binary data as object field value with Smile fails
   [1.6.1]
  * Reported [JACKSON-424] ArrayIndexOutOfBounds with SmileGenerator, long Unicode
    Strings
   [1.6.3]
  * Reported [JACKSON-525]: Problem with SmileGenerator, recycling of shared-names
    buffer
   [1.7.4]
  * Reported [JACKSON-552] SmileParser not handling long field names properly,
    failed with "this code path should never get executed" exception
   [1.7.6]
   
Brian McCallister:
  * Suggested [JACKSON-173]: Add "JsonParser.Feature.ALLOW_SINGLE_QUOTES"
    to handle commonly encountered invalid JSON content
   [1.3.0]
  * Reported [JACKSON-179] Single-long-arg factory Creators were not working
   [1.3.0]

Ted Bergeron:
  * Reported [JACKSON-177].
   [1.3.0]

Jeff Yu:
  * Suggested [JACKSON-180]: Add 'JsonParser.Feature.INTERN_FIELD_NAMES' to
    allow disabling field name intern()ing.
   [1.3.0]

Doug Daniels:
  * Suggested [JACKSON-176]: Add a work-around for Javascript's problems
    with big 64-bit longs (due to always representing numbers as 64-bit
    doubles internally, thus truncating some long values)
   [1.3.0]

Nick Padgett:
  * Reported [JACKSON-183]: Root-level 'JsonDeserialize' annotation
    not handled completely; 'as' setting was not taking effect
   [1.3.0]

Nathan Ching:
  * Reported [JACKSON-190]: Problem deserializing some nested generics
    types
   [1.3.1]

Martin Lauer:
  * Reported [JACKSON-194] ObjectMapper class loading issues on Android
   [1.3.1]

Edward Thorne:
  * Reported [JACKSON-197]: 2 debug message print out to System.err
   [1.3.1]

Steve Lopez:
  * Reported [JACKSON-200]: java.sql.Date deserialization not working well
   [1.3.1]
  * Reported [JACKSON-203]: Date deserializers should map empty String to null
   [1.3.1]

Mike Pilone:
  * Suggested [JACKSON-201]: Allow serialization of "empty beans" (classes
    without getters), if SerializationConfig.Feature.FAIL_ON_EMPTY_BEANS is
    disabled; or if class has recognized Jackson annotation
   [1.4.0]
  * Reported [JACKSON-202]: Non-public fields not deserialized properly
    with JAXB annotations
   [1.3.1]

Stephen Friedrich:
  * Reported additional issues with [JACKSON-203]
   [1.3.2]

Jeff Schnitzer:
  * Reported [JACKSON-188]: problems running Jackson 1.3 on GAE, due
    to dependency to JAXB API classes
   [1.3.2]

Elliot Shepherd:
  * Reported [JACKSON-214], suggested fix: Enum types with subclasses
    fail to serialize
   [1.3.3]

Gil Markham:
  * Reported [JACKSON-196], suggested fix: Schema generation does not
    respect the annotation configured serializer on a bean property
   [1.4.0]

Mark Stevens:
  * Requested [JACKSON-208] Allow unquoted control characters (esp. tabs)
    in JSON Strings and field names
   [1.4.0]

Mike Rheinheimer:
  * Reported [JACKSON-216] Jackson JAXB annotation handler does not use
    @XmlElement.type property for figuring out actual type
   [1.4.0]

Chris Carrier:
  * Suggested [JACKSON-236]: Allow deserialization of timestamps-as-Strings
    (not just timestamps as JSON integer numbers).
   [1.5.0]

Andrei Voden:
  * Suggested [JACKSON-232]: Add 'SerializationConfig.Feature.DEFAULT_VIEW_INCLUSION'
    to disable inclusion of non-annotated properties with explicit views
   [1.5.0]

Lars Clausen:
  * For 1.5.0:
    - [JACKSON-246]: JAXB property name determination not working correctly.
    - [JACKSON-250]: Type name not always detected 
    - Concurrency bug in pre-1.5.0 version of @JsonSubTypes handling

Pierre-Yves Ricay:
  * Requested [JACKSON-244]: allow private fields processing without having to annotate them
   [1.5.0]

John Lister:
  * Reported [JACKSON-256]: incorrect combining of serialization inclusion
    values; suggested better way to do it
   [1.5.0]

Gennadiy Shafranovich:
  * Reported [JACKSON-263]: BooleanNode.asToken() incorrectly returns 'true'
    token for all nodes (not just 'false' ones)
   [1.4.4, 1.5.0]

Fabrice Delhoste:
  * Suggested [JACKSON-254] Add 'SerializationConfig.Feature.WRITE_EMPTY_JSON_ARRAYS',
    which can be used to suppress serialization of empty JSON arrays (unless
    overridden by per-property annotations).
   [1.9.0]
  * Reported [JACKSON-265]: problems with generic type handling for
    serialization
   [1.5.1]

Raymond Feng:
  * Reported [JACKSON-269]: missing OSGi export by mapper (o.c.j.m.jsontype.impl)
    needed by jackson-xc module
   [1.5.1]

Martin Tomko:
  * Reported [JACKSON-266] Deserialization from JsonNode fails
   [1.4.4, 1.5.2]

Lukasz Dywicki:
  * Reported [JACKSON-273] Problems with OSGi dependency declarations
   [1.5.2]

Aron Atkins:
  * Reported [JACKSON-281] JsonGenerator.writeObject() only supports subset of
    wrapper types (when not specifying ObjectCodec)
   [1.5.2]

Eric Sirianni:
  * Reported [JACKSON-311]: Problems handling polymorphic type information for
    'untyped' (Object) bean properties, default typing
   [1.5.4]

Geoffrey Arnold:
  * Reported [JACKSON-318]: Missing deserialization support for
    java.util.Currency
   [1.5.5]

Christopher Currie:
  * Reported [JACKSON-319], pointed out solution: issues trying to deserialize
    polymorphic instances with no data (just type info)
   [1.5.5]
   (requested by Chris C)
  * Suggested [JACKSON-638] TypeFactory methods for constructing "raw" map or collection types
   [1.9.0]
  * Requested [JACKSON-639] Change BasicClassIntrospector.forClassAnnotations
    to take JavaType (not raw Class)
   [1.9.0]
  * Requested [JACKSON-665] Add AnnotatedWithParams.getIndex()
   [1.9.0]

Steve Crane:
  * Suggested [JACKSON-324], calling releaseBuffers() within finally block
    (JsonParserBase.close())
   [1.5.5]

Yuanchen Zhu:
  * Reported [JACKSON-327], submitted patch: CustomSerializerFactory incorrectly
    looks up serializer for interfaces
   [1.5.5]
  * Reported [JACKSON-329], type information was not properly serialized for
    Iterator or Iterable serializers
   [1.5.6]
  * Reported [JACKSON-340] Meta annotations missing for @JsonTypeResolver
   [1.5.6]

Henry Lai:
  * Reported [JACKSON-352] Polymorphic deserialization for Object always
    assumes array-wrapper style
   [1.5.7]

Adam Sussman:
  * Reported [JACKSON-355] Handling of BigInteger with JsonNode not correct
   [1.5.7]

Lubomir Konstantinov:
  * Reported [JACKSON-363] CustomDeserializerFactory did not work for custom
    array deserializers.
  * Reported [JACKSON-373] Interface inheritance not traversed when looking up
    custom serializers

Dimitry Lisay:
  * Reported [JACKSON-370] TreeTraversingParser.skipChildren() was not
    correctly skipping children
   [1.5.7]

Kirill Stokoz:
  * Reported [JACKSON-377] ThrowableDeserializer was not properly using information from
    @JsonCreator or @JsonAnySetter
   [1.5.7]
  * Reported [JACKSON-383] @JsonAnySetter gets called for ignorable properties if
    FAIL_ON_UNKNOWN_PROPERTIES set to false (related to [JACKSON-313])
   [1.6.1]
  * Reported [JACKSON-456], provided unit tests: Type check issues with Jackson JAX-RS provider
   [1.7.1]
  * Reported [JACKSON-504]: FilterProvider registration directly via
    SerializationConfig was not working
   [1.7.4]
  * Reported [506]: problems with type handling for java.util.Date
    when using @JsonTypeInfo on field/method
   [1.7.4]
  * Reported [JACKSON-518]: Problems with JAX-RS, type variables
   [1.7.4]

Brian Oberman:
  * Requested [JACKSON-289] Ability to serialize char[] values as JSON Arrays
    with String values of length 1 (and accepting these on deserialization)
   [1.6.0]

Paul R Brown:
  * Requested [JACKSON-193] Ability to use @JsonCreator and @JsonValue with
    enum types
   [1.6.0]

Ketan G:
  * Requested [JACKSON-300] Add 'JsonParser.Feature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER
    to allow non-standard character escapes like \'.
   [1.6.0]  

Rob Ottway:
  * Requested [JACKSON-301] Allow JsonMappingException to return name of "bad"
    (unrecognized) field
   [1.6.0]  

Thomas Dudziak:
  * Reported [JACKSON-328] Incorrect precedence between property fields, "getter-as-setter"
    fallbacks (former should have higher precedence)
   [1.6.0]
  * Suggested [JACKSON-420] Add 'DeserializationConfig.Feature.FAIL_ON_NULL_FOR_PRIMITIVES'
    to optionally prevent JSON null from mapping to default value
   [1.7.0]

Ant Elder:
  * Suggested [JACKSON-295] Create "jackson-all" jar for more convenient
    deployment
   [1.6.0]
      
David Melia: 
  * Reported [JACKSON-303] JAXB annotation @XmlAccessorType(XmlAccessType.NONE) seems
    to not work correctly during deserialisation process
   [1.6.0]
 
Valentin Brasov: 
   * Reported [JACKSON-268] Property ordering for JAXB did not work with "raw" property
    names (but just with renamed names like with Jackson annotations)
   [1.6.0]
   
Igor Kolomets:
   * Suggested [JACKSON-308] Configurable date formatting support for XMLGregorianCalendar,
    XMLGregorianCalendar now uses same Date/Calendar serialization as other date types.
   [1.6.0]

Shilpa Panaganti:
  * Suggested [JACKSON-360] Convert "" to null for Joda date/time types
   [1.6.1]

Larry Yogman:
  * Reported [JACKSON-371] Provide path of type error in ObjectMapper.convertValue()
   [1.6.1]
  * Reported [JACKSON-458]: Problems with ObjectMapper.convertValue(), TokenBuffer, SerializedString
   [1.7.1]

Bruce Ritchie:
   * Reported [JACKSON-384] @JsonAnyGetter values were duplicated if method name was valid
     as a regular getter name
   [1.6.1]

Patrick Ryan:
  * Reported [JACKSON-366] Type metadata not written for empty beans
   [1.6.2]
  * Reported [JACKSON-428]  Type information, Map key deserializer definitions don't
    work together
   [1.6.4]

Manuel Alejandro de Brito Fontes:
  * Reported [JACKSON-403]: XMLGregorianCalendar could not be deserialized from timestamp
   [1.6.2]

Davide:
  * Reported [JACKSON-404]: Problem with XmlAdapter, generic types, deserialization
   [1.6.2]

Kent Rancourt:
  * Reported [JACKSON-288]: Problems with JAXB annotation handling for combination of
   @XmlJavaTypeAdapter, @XmlElement
    [1.6.2]

Claudio Rossetto:
  * Reported [JACKSON-228], suggested correct solution: XmlJavaTypeAdapter not
    properly handled with package-level annotations
   [1.6.3]

Sean Parmelee:
  * Reported [JACKSON-415]: XmlElement.type() ignored for Schema generation
   [1.6.3]
  * Reported [JACKSON-416]: XmlElement.type() doesn't override type during
    serialization
   [1.6.3]
  * Reported [JACKSON-423]: Incorrect serialization of BigDecimal, BigInteger,
    when using TokenBuffer
   [1.6.3]
  * Reported [JACKSON-436]: @XmlElementType not working correctly with Collection
    type properties
   [1.6.4]
  * Reported [JACKSON-450] JAXB annotations chosen incorrectly from interface method
    (instead of method definition in class), when serializing
   [1.7.0]
  * Reported [JACKSON-472] Custom bean deserializers are not cached when using
    JAXB annotation introspector
   [1.6.5]
  * Reported [JACKSON-476] ContextualDeserializer handling not completely working
   [1.7.2]

Joe Jensen:
  * Reported [JACKSON-417] Deserialization of "native" types (String, Integer,
    Boolean) failed with abstract types
   [1.6.3]

Peter Litvak:
  * Reported [JACKSON-387]: Deserialization fails for certain objects serialized
    with enableDefaultTyping
   [1.6.3]
  * Suggested [JACKSON-432]: Add 'ObjectMapper.enableDefaultTypingAsProperty()' to allow
    specifying inclusion type 'As.PROPERTY' and property name to use
   [1.7.0]

Hannu Leinonen:
  * Reported [JACKSON-431] Deserialization fails with JSON array with beans
   with @JsonCreator, unmapped properties before and after creator properties
   [1.6.4]

Tim Williamson:
  * Reported [JACKSON-461] ArrayIndexOutOfBoundsException when property is subclass of
    Map with fewer type parameters
   [1.6.5
  * Reported [JACKSON-465] Deserialization with @JsonCreator that takes in
   a Map fails
   [1.6.5]
  * Reported [JACKSON-470] ArrayIndexOutOfBoundsException if @JsonCreator
    constructor has @JsonParameter parameters with same name
   [1.6.5]
  * Suggested [JACKSON-548]: enabling ALLOW_SINGLE_QUOTES should allow backslash-escaping
   [1.8.0]

Christian Naeger:
  * [JACKSON-468] Method-bound type variables (public <T> T getValue()) not handled
   [1.6.5]

Steven Schlansker:
  * Reported [JACKSON-473] JsonMapping$Reference not Serializable
   [1.6.5]
  * Reported [JACKSON-543] Root-level static type information incorrectly handled
    with Maps (losing parameterization)
   [1.7.7]
  * Reported [JACKSON-572] Problems serializing generic non-static inner classes
   [1.7.7]
  * Suggested [JACKSON-726] Add java.util.UUID key deserializer
   [1.9.3]

Elliot Barlas:
  * Reported [JACKSON-491]: Bug in NumberInput.inLongRange, causing false overflows
   [1.6.6]

Gili (cowwoc):
  * Reported [JACKSON-495] NPE at JaxbAnnotationIntrospector, with @JsonCreator
   annotations
   [1.6.6]

Jax Law:
  * Reported [JACKSON-499]  Problems serializing HashMap.keySet(), values()
   [1.6.7]

Ga�l Marziou:   
  * Contributed [JACKSON-351]: Add @JsonRawValue that allows injecting literal textual
    value into JSON
   [1.7.0]   

Patrick Leamon:
  * Suggested [JACKSON-412] Add 'DeserializationConfig.Feature.FAIL_ON_NUMBERS_FOR_ENUMS'
    to optionally prevent mapping JSON integers into Java Enum values
   [1.7.0]

Tauren Mills:
  * Suggested [JACKSON-414] Add 'JsonNode.getValueAsBoolean()' (and 'JsonParser.getValueAsBoolean()')
   [1.7.0]

Chris Winters:
  * Reported [JACKSON-457] Misspelled method in Module ("getSeserializationConfig")
   [1.7.1]
  * Suggested [JACKSON-459]: Add mapper-level configuration to set default serialization
    order be alphabetic (by property name).
   [1.8.0]

Coda Hale:
  * Reported [JACKSON-462]: Buffer overflow in Utf8Generator#writeFieldName(String)
   [1.7.1]
  * [JACKSON-557] CollectionLikeType#equals() casts parameter to CollectionType
   [1.8.1]
  
David Yu:
  * Suggested [JACKSON-474]: Add ability to pass externally allocated buffer for Utf8Generator, SmileGenerator
   [1.7.2]
  * Reported [JACKSON-492], contributed unit test: problem encoding 1 byte length "raw" UTF8 Strings
   [1.7.3]

Christopher Berner: 
  * [JACKSON-508] Type information lost when serializing List<List<X>>
   [1.7.4]

Pascal Glinas:
  * Suggested [JACKSON-541] with patch: Remove the need for @JsonCreator on
    multi-arg constructor iff all parameters have @JsonProperty
   [1.7.5]
  * Reported [JACKSON-554] ObjectMapper.readValue(JsonNode) was not properly
    passing itself as ObjectCodec, making secondary conversions fail
   [1.7.7]
  * Suggested [JACKSON-581] Add 'ObjectMapper.readTree(File)'
   [1.9.0]
  * Reported [JACKSON-687] Problems with PropertyNamingStrategy, property merging
   [1.9.1]
  * Reported [JACKSON-689] Deserialization of Iterable fails
   [1.9.1]
  * Reported [JACKSON-693] @JsonBackReference not used during deserialization
   if it's annotated on a getter method.
   [1.9.1]

Maik Jorra:
  * Reported [JACKSON-540] Side-effects with ObjectMapper.canSerialize(),
    canDeserialize()
   [1.7.5]

Suchema Oyetey:
  * Reported [JACKSON-530] Default SerializationInclusion value not properly
    passed when "USE_ANNOTATION" set to false
   [1.7.5]

Michel Goldstein:
  * Reported [JACKSON-545] UTF8Writer getting NPE if flush() called after close()
   [1.7.5]

Andrei Pozolotin:
  * Reported [JACKSON-550] Registration of serializers was not completely
    working with SimpleModule (interfaces implemented by superclasses skipped)
   [1.7.6]

Luis Neves:
  * Reported [JACKSON-542] Base64 decoder couldn't handle escaped characters

Xyn Wang:
  * Reported [JACKSON-553] SerializationConfig.Feature.DEFAULT_VIEW_INCLUSION
    did not work correctly
   [1.7.7]

Alex Porras:
  * Reported [JACKSON-556] @XmlElement.name property ignored in some cases
   [1.7.7]

Gregor Ottman:
  * Reported [JACKSON-569] ContextualSerializer not resolved for serializers
    defined with @JsonSerialize annotation
   [1.7.7]

Bryce McKinlay:
  * Suggested [JACKSON-358]: Allow parsing numbers with leading zeroes
   [1.8.0]

Sven Jacobs:
  * Suggested [JACKSON-527]: Add 'HandlerInstantiator' abstraction, which can be implemented
    and registered with ObjectMapper to get more control over how handlers (serializers,
    deserializers, type id resolver) are constructed.
   [1.8.0]

Ruben Errejon Garcia:
  * Reported [JACKSON-560] Mix-in annotations ignored when used with views
    [1.8.0]

Young Jin Park:
  * Failure to serialize certain Unicode Strings
   [1.8.1]

Oleg Estekhin:
  * Reported [JACKSON-563] JSON Schema uses "required" (not "optional")
   [1.8.1]

Jamie Reilly:
  * Reported [JACKSON-570] Caching of MapSerializer not thread-safe
   [1.8.1]

Pierre-Alexandre Meyer:
  * Reported [JACKSON-586]: Problems with @JsonValue, method visibility
   [1.8.2]

Chris Pruett:
  * Reported [JACKSON-587] TextNode.getValueAsLong() failing with values
    beyond int range.
   [1.8.3]

Tom Leccese:
  * reported [JACKSON-591] JodaDeserializers not throwing wrongTokenException
   [1.8.3]

Lawrence Chang:
  * Reported [JACKSON-627] WriterBasedGenerator failure for long Strings,
    custom character escaping, unit test, suggested fix.
   [1.8.4]

Maxxan:
  * Reported [JACKSON-629] Fix a buffer boundary problem with SmileParser,
    5-7 character names
   [1.8.4]

Tim Bond:
  * Reported [JACKSON-631] Problems decoding Base64Variants.MODIFIED_FOR_URL
   [1.8.4]

Edward Alexandrov:
  * Reported [JACKSON-632] Handling of UTF-8 BOM incorrect, causing
    "Internal Error"
   [1.8.4]

Paul Marynchev:
  * Reported [JACKSON-637] NumberSerializer was missing proper handling of
    Integer, Long
   [1.8.5]

Ransom Briggs:
  * Reported [JACKSON-668] Problems with 'JsonParser.getDecimalValue'
    not clearing earlier state
   [1.8.6]

William Burns:
  * Reported [JACKSON-677], suggested fix for: Inner generic type references
    not working properly
   [1.8.6]

Tom Boettcher:
  * Reported [JACKSON-709] Problems converting base64-encoded Strings
    between JsonNode, POJOs
   [1.8.7]

Ryan Kennedy:
  * Reported [JACKSON-462] (REGRESSION?) Buffer overflow in
   Utf8Generator#writeFieldName(String)
   [1.8.7]

Jacques-Olivier Goussard:
  * Reported [JACKSON-733] Smile-based mapper could not properly bind
   byte[] values
   [1.8.7]

Alex Temnokhod:
  * Reported [JACKSON-738] Parsing fails for Unicode 1Fxxx symbols when
    skipping
   [1.8.7]

Lloyd Smith:
  * Reported [JACKSON-701] ArrayIndexOutOfBoundsException when trying to serialize
    non-static inner classes with annotations on last ctor param
   [1.8.8]

Erik Gorset:
  * Reported [JACKSON-763] State of base64/byte[] decoding not reset when
    using 'convertValue()' for list of byte[] values.
   [1.8.9]

Matt Schemmel:
  * Reported [JACKSON-820] WriterBasedGenerator with CharacterEscapes produces
    unescaped output for strings > 2k in length
   [1.8.9]

"Programmer Bruce":
  * Suggested these for 1.8.x:
    - [JACKSON-597] Make ClassDeserializer support primitive types [1.8.3]
  * Suggested these for 1.9.0:
     - [JACKSON-593] Add ObjectMapper.readTree(byte[]), (URL) variants
     - [JACKSON-594] Allow deserializing non-static inner class valued properties
     - [JACKSON-595] Terse Visibility Config (ObjectMapper.setVisibility, related)
     - [JACKSON-598] Add set of standard naming-strategy implementations
     - [JACKSON-599] Expose Settability Of SimpleModule Serializers/Deserializers
     - [JACKSON-605] Handle deserialization of typed Class properties correctly
     - [JACKSON-612] Add 'readValues()' methods to JsonParser, ObjectCodec
     - [JACKSON-613] Add ArrayNode/ObjectNode methods for dealing with wrappers/unboxing/nulls
     - [JACKSON-616] Better handling of primitive deserializers, to avoid NPEs
     - [JACKSON-621] Add new fluent method, VisibilityChecker.with(Visibility)

Anand Hatrwalne:
  * Requested [JACKSON-558] Add 'DeserializationConfig.Feature.UNWRAP_ROOT_VALUE' as
    matching counterpart for 'SerializationConfig.Feature.WRAP_ROOT_VALUE'
   [1.9.0]

Earl Baugh:
  * Suggested [JACKSON-584] Serialize type info for non-static anonymous inner classes
    as that of declared (static) type
   [1.9.0]

Matt Goldspink:
  * Suggested [JACKSON-578] Allow use of @JsonView on JAX-RS resource, with JacksonJsonProvider
   [1.9.0]

Ed Anuff:
  * Suggested [JACKSON-602] Add 'JsonSerialize.Inclusion.NON_EMPTY' option
   [1.9.0]

   
Lukasz Strzelecki:
  * Requested [JACKSON-630] Add @JsonRootName annotation for specifying name of root-level wrapper
   [1.9.0]

Simone Bordet:
  * Requested [JACKSON-652] Add 'DeserializationConfig.Feature.USE_JAVA_ARRAY_FOR_JSON_ARRAY' to
    allow mapping JSON Array to Object[]
   [1.9.0]

David Phillips:
  * Requested [JACKSON-671] Add convenience constructor for 'MinimalPrettyPrinter'
   [1.9.0]

Kirill Sukhanov:
  * Suggested [JACKSON-650] Allow dealing with missing filter ids, by adding
    'SimpleFilterProvider.setFailOnUnknownId()' to specify if exception is thrown or not.
   [1.9.0]

Ben Hale:
  * Reported [JACKSON-700] Type problems with properties that have different
    types for constructor property, setter and/or field
   [1.9.1]

Andreas Knoepfle, Tobias Schmid:
  * Contributed implementation for [JACKSON-657], key deserializers for
    java.util.Date and java.util.Calendar types
   [1.9.3]

Steve Loeppky:
  * Reported [JACKSON-746] Problems with JsonTypeInfo.Id.NONE, default typing
   [1.9.4]

Sebastian Thelen:
  * Reported [JACKSON-753] JsonParserDelegate missing delegation of getBooleanValue(),
    getEmbeddedObject()
   [1.9.4]

Stephan Bailliez:
  * Reported [JACKSON-757] Problems with Enum values, annotations on constructors
   [1.9.4]

Mika Mannermaa:
  * Reported [JACKSON-756] Problems with enums, @JsonCreator, when used as keys
    of EnumMap, regular  Map, or contents of EnumSet
   [1.9.4]

Nathaniel Bauernfeind:
  * Reported [JACKSON-774]: PropertyBasedCreator not using JsonDeserializer.getNullValue()
   [1.9.5]

Ittai Zeidman:
  * Reported [JACKSON-775]: MissingNode.asText() should return "", not null
   [1.9.5]
   
Alexander Klauer:
  * Reported [JACKSON-779]: Problems with multi-byte UTF-8 chars in JSON comments
   [1.9.5]

Vladimir Petrukhin:
  * Reported [JACKSON-778], provided test case: Incorrect detection of generic
    types with TypeReference
   [1.9.5]

Christopher Brown:
  * Reported [JACKSON-796]: Problems with byte[] conversion to/from JsonNode.
   [1.9.5]

Harold Marger:
  * Reported [JACKSON-806]: REQUIRE_SETTERS_FOR_GETTERS ignores explicitly annotated getters
   [1.9.6]

Adam Vandenberg:
  * Reported [JACKSON-823] MissingNode does not return default value for
   'asXxx()' methods
   [1.9.7]

James Roper:
  * Reported [JACKSON-829] Custom serializers not working for List<String>
    properties, @JsonSerialize(contentUsing)
   [1.9.7]

Laurent Pireyn:
  * Reported [JACKSON-831] External type id, explicit property do not work well together
   [1.9.7]
  * Reported [JACKSON-875]: Enums are not properly serialized when
    Feature.USE_ANNOTATIONS is disabled
   [1.9.12]

Jan Jan:   
  * Reported [JACKSON-832] (partial) Fix numeric range check for Longs (was not working)
   [1.9.7]

Klaus Reimer:   
  * [JACKSON-834] Could not use @JsonFactory with non-String argument with Enums
   [1.9.7]

Stuart Dootson:
  * Reported [Issue-13] Runtime error passing multiple injected values to a constructor
   [1.9.7]

Lóránt Pintér:
  * Reported [JACKSON-838]: Utf8StreamParser._reportInvalidToken() skips
    letters from reported token name
   [1.9.8]

Scott Stanton:
  * Reported [JACKSON-841] Data is doubled in SegmentedStringWriter output
   [1.9.8]

Sébastien R:
  * Reported [JACKSON-842] ArrayIndexOutOfBoundsException when skipping C-style comments
   [1.9.8]

Duncan Bloem:
  * Reported [JACKSON-867]  missing Export-Package header for
   "org.codehaus.jackson.map.ext"
   [1.9.10]