3.0.0

The major breaking changes with the version 3.0 release are:

• Minimum required pydicom version is 3.0

• Changed StoragePresentationContexts to match DCMTK implementation

• Various small changes required to support IPv6

Changes

• Move and Get SCPs are now limited to a maximum of 65535 matches (#982)

• Minimum supported pydicom version is 3.0 (#981)

• Added support for Python 3.13

• Updated SOP classes to version 2025b of the DICOM Standard

• P-DATA PDUs received during association release are now added to the normal DIMSE messaging queue

• The following changes have been made in order to support IPv6 connections:

  • Changed AE.associate() to accept either a str or tuple[str, int, int] as the addr parameter.

  • Changed AE.associate() to accept either a tuple[str, int] or tuple[str, int, int, int] as the bind_address keyword parameter.

  • Changed AE.make_server() and AE.start_server() to accept either a tuple[str, int] or tuple[str, int, int, int] as the address parameter.

  • Added AddressInformation

  • ServiceUser.address and ServiceUser.port are now read-only properties.

  • Added ServiceUser.address_info.

  • Changed pynetdicom.transport.AssociationSocket() to accept an AddressInformation instance as the address keyword parameter.

  • RequestHandler.local and RequestHandler.remote now return an AddressInformation instance

  • Added T_CONNECT.address_info

  • A_ASSOCIATE.calling_presentation_address and A_ASSOCIATE.called_presentation_address are both now set using an AddressInformation instance

• Added the block optional argument to Association.abort() to allow for operation in non-blocking mode.

Enhancements

• Setting the Affected SOP Instance UID for an N-CREATE-RSP message when it’s absent from the N-CREATE-RQ can now be done by adding it to the returned Attribute List dataset (it’ll be removed from the dataset prior to sending) (#995)

• Added debugging handlers for the remaining DIMSE-N messages

• Added support for IPv6 connections (#984)

Fixes

• Fixed a state machine error caused by receiving N-EVENT-REPORT requests during association release (#820)

• Added redundancy to ensure sockets are closed during abort and connection failure (#979)

• Handle an exception due to the socket being discarded while trying to send an abort while waiting for the socket to be discarded 🙃 (#806)

• Fixed Association.abort() causing a deadlock when called within event handlers (#912)