I have extension published in addons.opera.com catalog. Is there a possibility in addons.opera.com "inline" installation from my site, as it done in the ChromeWebStore https://developers.google.com/chrome/web-store/docs/
When extension hosted in the ChromeWebStore and User can initiate installations "inline" from my site (click button), but user no longer have to leave my site to install his.
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user1183521
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AFAIK no. There's no `chrome.webstore` object in Opera. – Rob W Sep 26 '13 at 10:24
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This is now supported. See the documentation here: https://dev.opera.com/extensions/inline-installation/

georgebrock
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Opera have recently removed inline install functionality, (that page now returns a "not found" error) – user280109 Feb 15 '19 at 17:55
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This is not supported yet, but we're looking into it.

andreasbovens
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Has Opera now removed the inline install functionality in line with chrome also removing it? as the inline install functionality of my Opera browser extension no longer seems to work – user280109 Feb 08 '19 at 21:48
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It seems Opera did have an Inline Install functionality for a while, but have now apparently removed it, due to the functionality being removed from the Blink browser engine that Opera is based on.

user280109
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