Pixel Bender - slow performance and hell for existing users.

Hello team Adobe,

As Introudce AGAL and Stage3D Adobe - Pixel Bender every time show poor performance. My friend asked me - why. There app Pixel Bender based for distortion of the image and the last Flash Player with slow PB book. Exactly - the road to hell. During the audit of this issue, I found that all my pixel bender app show also the poor performance. Buch was earlier. Half or year ago.

Will be no longer supported this fixed or Pixel Bender?

Unfortunately, it was necessary from a security point of view.  We have seen a number of documents on Just-In-Time compilers come out to the other products that we concluded last year were relevant to the JIT PixelBender.  Rather than wait until an emergency situation to do something, we have chosen to take measures to ensure that your customers and other end-users are protected.

We conducted a thorough analysis and concluded that mitigation measures needed to defend themselves against this emerging class of attacks would affect performance nearly as evil as disable the JIT, while possible attack surface.  We have also determined that the chemistry and Stage3D are not vulnerable to these classes of attack, that is why we are recommending the migration of your content to take advantage of them.

While we would have really liked before communicating changes, we inherently describe the attack vector potental publicly without a delivery solution.  We experimented with communication of security changes in the past and attacks on these features were quickly developed and deployed by bad actors.

Backward compatibility is always a main technical objective, but the fact is that in the face of the Internet threat landscape has changed considerably over the last decade, and adapting to it frequently requires to choose among a number of terrible options.  While we understand that it is extremely annoying for developers using PixelBender JIT for the performance, we strongly believe that it was the best of the available options.

Tags: Adobe

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