From the 1st August 2024, the EBU have issued an updated Blue and White Book:

White Book (2024)
https://www.ebu.co.uk/documents/laws-and-ethics/white-book/white-book.pdf

To make it easy they have listed the changes in this document:
https://www.ebu.co.uk/documents/laws-and-ethics/2024/white-book-changes.pdf

Mainly alignment with changes to the Law Book and Blue Book.

• Changes to grounds for appeal to the National Authority
• Possibility of different adjustment for illegal agreement - not always "40/60"
• Retention of some Regulating Authority powers by the EBU (not assigned/delegated)
• Changes to 'Pause by third hand’ (WB 8.73.2.2)

Blue Book
https://www.ebu.co.uk/documents/laws-and-ethics/blue-book/blue-book.pdf

To make it easy they have listed the changes in this document:
https://www.ebu.co.uk/documents/laws-and-ethics/2024/blue-book-changes.pdf

List of significant changes to the Blue Book

• 3F2: treatment of low singleton in 1NT opening
• 6C4: permitted responses to 1 suit at Level 2
• 7B1: Balanced options in a short minor opening
• 7C1: clarification of meanings in “General Permitted” and a fuller list of artificial 2 suiter options.
• 7C2: 2NT opening simplification
• 9C1 - Online UNDO regulations*

There are minor wording changes to the ANNOUNCEMENT & ALERT SUMMARY
https://www.ebu.co.uk/documents/laws-and-ethics/blue-book/announcements-table.pdf