Skip to content

Newly deprecated features in epub 3.4 #1649

Open
Open
Newly deprecated features in epub 3.4#1649
Assignees
rdeltour
Labels
spec: EPUB 3.4Impacting the support of EPUB 3.4status: ready for implemThe issue is ready to be implemented
Milestone
EPUB 3.4
@mattgarrish

Description

@mattgarrish
mattgarrish
opened on Jan 2, 2026

Features that are now deprecated and should generate warnings:

  • rendition:align-x-center
  • the use of the reserved prefixes xsd, msv, and prism

Metadata

Metadata

Assignees

Labels

spec: EPUB 3.4Impacting the support of EPUB 3.4status: ready for implemThe issue is ready to be implemented

Type

No type

Projects

No projects

Milestone

Relationships

None yet

Development

No branches or pull requests

Issue actions