How to recover from RC signal loss and RTL

What is the correct way to recover from an RTL signal loss test?

Today I tested the function to make the quad did an RTL when signal is lost from the RC controller transmitter.  I flew a ways away and put it into loiter. Throttle was about mid range a

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Pitch reversal after upgrade

After upgrading to 2.9.1b my quad immediately flipped over its nose when I attempted takeoff.  It was flying very well prior to the upgrade so there is no hardware problem.  We did the following tests.

- Motors are turning the correct directions and p

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