Adobe: 10.2

Before 10.2, playing high-definition video in the browser was heavy on your computer's main processor (CPU). If you had an older computer, watching 1080p video could cause your fan to spin loudly and your browser to lag.

If you’re referring to (released around 2011), a proper review would note: adobe 10.2

Aside from the video engine, Flash 10.2 introduced: Before 10

If you are looking to install Flash 10.2 today, adobe 10.2

Developers gained the ability to create native, high-performance custom mouse cursors for games and interactive apps.

This update allowed users to keep a video in full-screen mode on one monitor while continuing to work or browse on another.