v4.0.0

The most important change this release includes is the replacement of the HTTP library from a native one to
OkHttp which allows SDK to

• Support the HTTP2 version of the HTTP protocol.
• Support proxies that do not use only basic authentication method. For details on creating custom proxy authenticators and an example of
  NTLM proxy authentication.

Breaking Changes

• BatchAPIRequest – is no longer supported by the SDK
• BoxAPIConnection#DEFAULT_MAX_ATTEMPTS is replaced with BoxAPIConnection#DEFAULT_MAX_RETRIES
• BoxRedirectResponse – was removed and will not be replaced
• BoxEvent.Type is replaced with EventType
• Removing deprecated methods from BoxFile, BoxFileVersionRetention, BoxFolder, BoxGroup, BoxGroupMembership,BoxItem, BoxRetentionPolicy, BoxTask, BoxUser, BoxWebLink, EventLog, Metadata and MetadataTemplate.

Migration details can be found here.

New Features and Enhancements:

• Using OkHttp in Java SDK (#1083) (2656698)

v3.8.2

Bug Fixes:

• Fixed restoring state without refresh token. (#1139) (3544709)

v3.8.1

Bug Fixes:

• Restoring state from previous SDK version works. (#1134) (b6d97dd)

v3.8.0

New Features and Enhancements:

• Added Box Sign webhooks (#1109) (99051a5)

Bug Fixes:

• NullPointerException when using BoxSignRequestPrefillTag (#1121) (73fd5b6), closes #1120
• Regenerate JWT ID and retry auth request when JTI claim is rejected (#1110) (420da0f)

Dependency Upgrades:

• Bumped org.bitbucket.b_c:jose4j:0.9.0 (#1111) (349694d)

v3.7.1

Bug Fixes:

• Better logging when JSON cannot be parsed (#1106) (5e66ef8)

v3.7.0

New Features and Enhancements:

• Add is_accessible_via_shared_link field to File and Folder (#1103) (45e9906)

Bug Fixes:

• BoxCollaboration.getItem() returns BoxItem.Info not BoxFolder.Info (#1102) (135850d), closes #1101 #1100. BoxCollaboration.getItem() used to return BoxFolder.Info. However, if collaboration was added on a file it would still return BoxFolder.Info which will end with throwing BoxAPIException when doing any API call. If you are getting collaboration item it is best to store it as BoxItem.Info or check its type and store it as BoxFile.Info or BoxFolder.Info.
• Add missing constructor to BoxNotificationEmail class (#1098) (2534f34)

v3.6.0

New Features and Enhancements:

• Add support for modifiable retention policies & enable deleting retention policy assignment (#1093) (30e2fcb)

Bug Fixes:

• Stop sending not specified optional fields when creating a user (#1095) (b7d894d)

v3.5.0

New Features and Enhancements:

• Add content-type sign request and response (#1087) (49411aa)
• Add notification_email to BoxUser (#1088) (5477223)
• Add redirect_url and declined_redirect_url to sign request response (#1089) (3921fe1)

Bug Fixes:

• Fixed canceling sign request fails because of empty body (#1085) (32b8e79)

v3.4.0

New Features and Enhancements:

• Added pagination for getting items in trash with new BoxTrash#items API (#1072) (9cd411d)

Bug Fixes:

• buffered body write and fixed SDK logging (#1079) (bc35ef3)

v3.3.0

New Features and Enhancements:

• Added support of Editable Shared Links (#1064) (9b7d60c)

Bug Fixes:

• Fix closed stream exception in canUpload method (#1067) (543f91c)