1.3 beta 4 testers needed!

ReferenceQueueDisposableGCnio.msnio.mxDisposableGCDisposableGC
DisposableGC: [immediate=698(23Mb)]=46K( 1.49Gb) [0sec=340(11.1Mb),10sec= 1K(45.3Mb),60sec= 20( 2.9Mb)]=59.3Mb
DisposableGC: [immediate=726(24Mb)]=46K( 1.52Gb) [0sec=325(10.6Mb),10sec= 1K(46.2Mb),60sec= 27( 3.1Mb)]=60.0Mb
DisposableGC: [immediate=718(24Mb)]=47K( 1.54Gb) [0sec=322(10.5Mb),10sec= 1K(47.1Mb),60sec= 35( 3.4Mb)]=61.0Mb
-Xmxnio.mxnio.msnio.blocksize