opera-developer (Fast and secure web browser)

Opera is a fast, secure, and user-friendly web browser.

This is a Development version of Opera browser, for Stable version
please see "opera" and for a old version based on
Presto engine, please see a SlackBuild called "opera-legacy".

Recently, Opera bring us VPN support, Ad Blocker, and the first
version of RSS support!

Since version 46.0.2590.0 Opera's drops 32 bits support, for more:
https://blogs.opera.com/desktop/2017/05/opera-developer-46-0-2590-0-update/

This suggests: pepperflash-plugin, ffmpeg, opera-developer-ffmpeg-codecs

Changelog: https://blogs.opera.com/desktop/changelog-for-54/#b2936.0