Firefox 45 Site Compatibility
Browse our compatibility notes about the changes in Firefox 45 released on . This list will be updated when a further change is made or a new regression is found, so make sure to subscribe to our site feed.
Audio & Video
Canvas & WebGL
CSS
DOM
- Regressed Submitting empty file input control results in no
Content-Type - Affecting
Filefails when file is updated after initial readingReader .read As Text() - Affecting Loading cross-origin worker now fires
errorevent instead of throwing; worker in sandboxed iframe no longer allowed - Regressed Images are not updated in some cases when
srcsetis dynamically changed - Affecting Dedicated workers no longer inherit CSP from parent document unless embedded
- Regressed Various sites are broken when third-party cookies are blocked
- Image with
idno longer appears ondocumentunless it hasnameas well - Service Workers have been disabled in Firefox 45 ESR
- Reverted
performancein workers is now based on the worker’s creation time.now() searchis now only onParams URL- CSP directive
frame-srchas been deprecated in favour ofchild-src
HTML
JavaScript
Miscellaneous
Networking
Plug-ins
Privacy & Security
- Affecting Loading cross-origin worker now fires
errorevent instead of throwing; worker in sandboxed iframe no longer allowed - Affecting Dedicated workers no longer inherit CSP from parent document unless embedded
- Regressed Various sites are broken when third-party cookies are blocked
- CSP directive
frame-srchas been deprecated in favour ofchild-src - EV certs valid for more than 27 months will be treated as DV certs
- Reverted
jarprotocol support has been disabled by default