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Aug 9, 2026An Empty VAST Wrapper Is Schema-Valid in 4.4. It Was Not in 2.0.
A VAST wrapper with no AdSystem, no VASTAdTagURI and no Impression validates against the VAST 4.4...
Aug 9, 20264 min read0 reactions0 comments
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A VAST wrapper with no AdSystem, no VASTAdTagURI and no Impression validates against the VAST 4.4...