IEC 62769-103-4:2020 is available as IEC 62769-103-4:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 62769-103-4:2020 specifies an FDI profile of IEC 62769 for IEC 61784-2_CP 3/4, IEC 61784-2_CP3/5 and IEC 61784-2_CP3/6 (PROFINET). This second edition cancels and replaces the first edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) support for generic protocol extension for faster adoption of other technologies,
b) support for Package Developers to build EDDs targeted for today’s EDD bases system under a single development tool.