Mozilla has said in a blog post that although the browser will continue to support legacy flash content after August, starting 2017, it will require "click-to-activate approval" before a website activates Flash plugin for any content.
(Also see: Google Details Plans to Start Blocking Flash in Chrome This Year)
In its note, Mozilla acknowledged the role of Flash in providing video and interactive content on Web but said that it often introduces stability, performance, and security issues for browsers and therefore it becomes a necessity to introduce these changes.
It added that these changes will result in enhanced security, improved battery life, faster page load, and better browser responsiveness for the users. It even claimed that blocking certain Flash content will result in reductions in hangs and crashes by up to 10 percent.
The browser company also advised websites that currently use Flash or Silverlight for video or games to plan on adopting HTML technologies as soon as possible. Mozilla has said that it will, however, continue to work with Adobe to improve the Flash experience, whenever the plugin will be enabled on its browser.
This is not the first step Mozilla has taken towards reducing usage of Flash in its browser. Back in July last year, following a major vulnerability being found in Flash, blocked all versions of the Web plugin by default.For details of the latest launches and news from Samsung, Xiaomi, Realme, OnePlus, Oppo and other companies at the Mobile World Congress in Barcelona, visit our MWC 2026 hub.
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