VAST-2.0-flash-mediafile
Flash-based MediaFile type is no longer supported
WarningDeprecatedIAB VAST 2.0 §2.4.1VAST 2.0 and later (all versions)
Flash (SWF) media files have not been supported in any major browser or device since 2020. Serving a Flash `<MediaFile>` will result in zero impressions.
How to fix
Remove the Flash SWF <MediaFile> and serve an HTML5 video asset (MP4 or WebM) instead.
Check your VAST tag for
VAST-2.0-flash-mediafile and other issues instantly.Validate a tag →Other Deprecated rules
VAST-4.0-conditionaladconditionalAd attribute is deprecated as of VAST 4.1VAST-4.1-survey-deprecated<Survey> is deprecated as of VAST 4.1VAST-4.1-vpaid-apiframeworkapiFramework="VPAID" is deprecated as of VAST 4.1VAST-4.0-mediafile-apiframework<MediaFile apiFramework> is deprecated in VAST 4.0+ — use <InteractiveCreativeFile>