Thread: EPUBCheck 5.0 preview for EPUB 3.3
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Old 11-15-2021, 12:00 PM   #1
jhowell
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EPUBCheck 5.0 preview for EPUB 3.3
A preview release of EPUBCheck 5.0 has been posted at https://github.com/w3c/epubcheck/releases
(Look under Assets for the download link.)

Quote:
This is an early preview release of the next major version of EPUBCheck, v5.0.0. It provides initial (partial) support for checking conformance to EPUB 3.3.

This EPUBCheck version is not available in the Maven Central Repository. It is only available (temporarily) as a binary on the GitHub release page.

This release was made by the DAISY Consortium for the W3C. Many thanks to everyone who contributed and reported issues!

Runtime
  • require Java 8 (9435936)

Features
  • refactored API and internals (39888e2)
  • add new Core Media Types (ECMAScript, OPUS, WebP) (166256a), closes #1249 #1189
  • allow 'auto' value for the 'dir' attribute of Package Documents (a2e3a77), closes #1220
  • allow 'hreflang' attribute on Package Document link elements (e39a801), closes #1219
  • allow informative schema checking (reported as new RSC-024 and RSC-025) (a2516f0)
  • check that item URLs have no fragment (ec28b59), closes #1250
  • do not check conformance of SVG content (ba48aaa)
  • enable informative (USAGE) checking of SVG content conformance (b9ddf8f)
  • new check (OPF-092) for language tags well-formedness (52ebd80), closes #1221 #702
  • update checking of the Package Document 'refines' attribute (72366b4), closes #1226
  • update to latest schemas from the Nu HTML Checker (af7a5f7)

BREAKING CHANGES
the required Java runtime environment is now Java 8 or greater
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