Just a couple of curiosity questions, really:
1) With the plugins now being run in a different process from the main editor, there must be inter-process comms used to ship data to and from the main process. Does this noticeably slow things down, for instance, a plugin that does bulk text manipulation on a file?
2) Out of curiosity, what form of inter-process comms is being used? TCP, named pipes (Windows), something else?