The security introduced in HG 1.5 makes the viewer crash if the
departing grid doesn't run 1.5. The receiving simulator performs some
checks that only exist in 1.5, and if they fail, the viewer crashes, per
design.
On 4/23/2011 8:27 PM, Fleep Tuque wrote:
Hi Paul,
As far as I know, this is correct:
0.6.9 = hg 1.0
0.7.0.2 = hg 1.5i6
Between these two there was a complete redesign of the HG. They are
intentionally incompatible: 1.0 had very weak security.
0.7.0.2 = hg 1.5i6
0.7.1 = hg 1.5i7
Between these two, the incompatibility was unintentional, but
unavoidable. The culprit was actually libomv. There is a bug in the
libomv that is packaged in 0.7.0.2 and that was fixed some time later.
The fix makes TPs to older versions (that have the bug) fail. As such,
this incompatibility was unavoidable; we couldn't keep the bug in that
library for the sake of backwards compatibility in HG.
I don't like the naming i6/i7, because the HG interface didn't change.
There were some changes in the way appearance is packaged, but that, by
itself, would not make things incompatible. libomv's bug was the
dominant factor, and I could not get around the consequences of that bug
fix. But if those strings i6/i7 make people happy, I'm not going to
fight it.
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