I think I've completed the urgent fixes assigned to me for 0.2.8.2-alpha and mentioned in the network team meeting yesterday.

If we merge the following patches into the upcoming 0.2.8.2-alpha, we'll know:

#18616 - whether AccountingMax still breaks relay bootstrap (master - not in any released version)

#18351 - whether log messages are too frequent, or whether there are actual outgoing connection issues (0.2.8.1-alpha)

#18517 - whether meek and bridges on private addresses are still broken (0.2.8.1-alpha)

#18489 - whether extrainfo descriptors are still broken with fallback directory mirrors (0.2.8.1-alpha / 0.2.4.7-alpha)

I don't know of any other patches (assigned to me) that are urgent enough to hold up the next alpha. 

Tim