Opera Next extension autoupdate via update_url...

Is it possible to create a global Chromium extension which will update itself automatically?...

Generating md5/sha1/sha256 hash of downloaded file in Chrome Extension...

No result from chrome.tabs.query in Opera...

chrome.runtime.onStartup not running in Opera 23...

Further information about chrome.webRequest.onErrorOccurred...

How to get the raw text from Opera's omnibox when the text is not a valid URI...

cross domain mp3 opera extension...

Installation of Opera Extension fails?...

Manifest homepage_url and ExtensionInfo.hompageUrl...

Converting a Chrome extension into an Opera Extension...

Pack opera NEX extension via command line...

Do Opera extensions support notifications and background mode?...

is there an URL filter API in chrome extensions?...

why can't post messages between background script and injected script in opera 12?...

Can Opera Speed Dial extensions communicate with regular extensions?...

How can I upload CRX/NEX extension in opera gallery with certain ID?...

Install Opera extension from registry...

CSS images not working with Opera Next Extension...

Extension Update behavior when Upgrading from Opera 12 to Opera 15...

Opera Extension: selecting text and page menu...

Check if Opera extension installed in developer mode...

Detect if own Opera extension installed and disabled using JavaScript...

Can my injected JavaScript be seen by the website author?...

Syntax errors in hard to reach JS environments...

Injected scripts in Opera extensions...

Opera Extension Preferences through config.xml...

Compile a userscript to a Safari and an Opera extension?...

How to Use OAuth Access Token Obtained with Javascript to Authenticate with PHP...

Injection order in Opera extensions...