Post a day using Sync build 3.4.21098, it is noticeability faster navigating from menu 2 menu or screen to screen. Almost instant response now. I also have more apps available on the sync screen/CarPlay (Dunkin Donuts & Cisco WebEx were the ones I noticed as new so far).
Webex has been CarPlay capable for a while. They removed it in last revision, cause it was buggy. They apparently added support back in the most recent.
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