The TTL has indeed been upped to a maximum of 5, - however most searches should work with a TTL of 3-4.

The number of connections is as low as it is, to make the transition easier, I believe. Otherwise the first users of the next version would see a really poor performance.

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Morgens ess ich Cornflakes und abends ess ich Brot
Und wenn ich lang genug gelebt hab, dann sterb ich und bin tot

--Fischmob