Recently, Adobe has earned reproaches from the Linux community: a month ago, it announced it was no longer supporting Adobe AIR on Linux desktops . It also spread rot for the lack of updates to the experimental 64-bit Flash Player. In response, Adobe promised to release a full 64-bit Flash Player with the next Flash release. And she kept her promise: in beta Flash 11, everything appeared as promised. Installation instructions for Flash Player 11 on 64-bit Ubuntu 11.04, see here .
As for the performance of Flash Player 11, compared with Flash Player 10, opinions differ: some say that nothing has changed, others say that it has become faster.