Amendment 4:2019 to CAN/CSA-ISO/IEC 14496-16:13, Information technology - Coding of audio-visual objects - Part 16: Animation framework eXtension (AFX) - Amendment 4: Pattern-based 3D mesh coding (PB3DMC) (Adopted amendment 4:2017 to ISO/IEC 14496-16:2011)
Edition 2019-02-01

Information technology - JPEG 2000 image coding system: Extensions - Amendment 4: Block coder extension (Adopted amendment 4:2015 to ISO/IEC 15444-2:2004)
Edition 2016

Information Technology - Multimedia Content Description Interface - Part 3: Visual - Amendment 4: Video signature tools (Adopted Amendment 4:2010 to ISO/IEC 15938-3:2002)
Edition 2012

Information Technology - Multimedia Content Description Interface - Part 5: Multimedia Description Schemes - Amendment 4: Social metadata (Adopted amendment 4:2012 to ISO/IEC 15938-5:2003)
Edition 2014-03-01

Amendment 4:2022 to CSA ISO/IEC/IEEE 8802-3:21, Telecommunications and exchange between information technology systems - Requirements for local and metropolitan area networks - Part 3: Standard for Ethernet - Amendment 4: Physical layers and management parameters for 50 Gb/s, 200 Gb/s, and 400 Gb/s operation over single-mode fiber (Adopted amendment 4:2021 to ISO/IEC/IEEE 8802-3:2021)
Edition 2022

Amendment 4:2021 to CSA ISO/IEC/IEEE 8802-11:19, Telecommunications and exchange between information technology systems - Requirements for local and metropolitan area networks - Part 11: Wireless LAN medium access control (MAC) and physical layer (PHY) specifications - Amendment 4: Enhancements for transit links within bridged network (Adopted amendment 4:2020 to ISO/IEC/IEEE 8802-11:2018)
Edition 2021

Amendment 4:2019 to CAN/CSA-ISO/IEC 21000-8-09, Information technology - Multimedia framework (MPEG-21) - Part 8: Reference software - Amendment 4: Media value chain ontology extensions on time-segments and multi-track audio (Adopted amendment 4:2018 to ISO/IEC 21000-8:2008)
Edition 2019