It has been known for some time now before the announcement of Jelly Bean that the next iteration of Android wouldn’t include any support for Flash. Now Adobe have confirmed that Flash will not be supported on Jelly Bean, by that there is no word on if it will work, but they certainly wont be helping in any issues that arise from someone installing it.
Adobe will also be cutting all new downloads of Flash player on the Play store on August 15th. Those that have already downloaded Flash will still get those all important patches and fixes. Adobe are really strong on pushing HTML5 for smartphones and tablet.
Beginning August 15th we will use the configuration settings in the Google Play Store to limit continued access to Flash Player updates to only those devices that have Flash Player already installed. Devices that do not have Flash Player already installed are increasingly likely to be incompatible with Flash Player and will no longer be able to install it from the Google Play Store after August 15th.
Now it does sound very much like they don’t even know if it will have issues, but they really want to make it clear that if there is, you are on your own. That being said, it’s very possible that flash will run fun on Jelly Bean. Just keep in mind that there may be either performance issues or possible FC’s after installing it.