As of recent Chromium updates (which Opera implements), the explicit #enable-parallel-downloading flag has undergone changes. In many stable releases, this feature has been , meaning the flag may no longer appear in the search results because it is no longer an "experiment"—it is now the standard behavior.
: It is particularly useful for downloading large files (over 100MB) or multiple files at once. opera flags enableparalleldownloading verified
Parallel Downloading in the Opera browser, follow these steps to access the experimental flags menu and toggle the feature: How to Enable Parallel Downloading Open Opera : Launch the browser on your desktop or mobile device. Access Flags : In the address bar, type opera://flags Search for the Flag : In the "Search flags" box at the top, type parallel downloading Change the Setting : Look for the experiment labeled Parallel downloading As of recent Chromium updates (which Opera implements),