| 1112 | Identify slow tests and improve their speed | New |
| 1269 | Switch to Alex Ctries instead of ConcurrentHashMap | New |
| 1370 | ActorCell.stopping should be encoded in Mailbox.status | New |
| 1387 | Optimize for method inlining (< 35 bytes) in the hot path | New |
| 1394 | Investigate if AMD Codeanalyst might be useful | New |
| 1434 | ActorPath: possible toString improvement | New |
| 1436 | In LocalActorRef, make the ActorCell swappable, so we can replace it with a DeadActorCell (GC) | New |
| 1446 | ActorPath: cache actorFor lookups for RemoteActorRefs | New |
| 1461 | rework Props.creator to not require a closure when just using a Class or Manifest | New |
| 1473 | elide Supervise message when possible | New |
| 1482 | Routing: add Mersenne Twister for RandomRouter | New |
| 1490 | Restructure Props’ creator field | New |
| 1508 | reduce closure-wrapping in Scheduler | New |
| 1603 | Optimize remote send in same jvm | New |
| 1797 | Write bench for remote communication/network protocol | New |
| 1798 | Switch network protocol to use Protostuff | New |