[dev-addons] Intent to Deprecate: Theme Property Aliases

Mike Conca mconca at mozilla.com
Mon Dec 3 22:26:45 UTC 2018

Please note that certain aliased theme properties that are part of the
Firefox WebExtensions API will be deprecated by Firefox 69, currently
scheduled for release in September 2019.

*Maintained* *Deprecated*
theme_frame headerURL
frame accentcolor
tab_background_text textcolor
bookmark_text toolbar_text

Starting in Firefox 65, the browser will begin emitting warnings if your
theme uses any of the deprecated properties.

Mike Conca
Product Manager, Firefox WebExtensions
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