The Tor Project has Usually, we try not to break existing releases, even if they are unsupported, unless we have a pretty good reason. In this case, we have several reasons. [...] The most important reason is this: in 0.4.9, we have made some former fields in our directory data obsolete -- specifically, and . Removing these fields will let us save a great deal of client directory bandwidth for everyone. This, in turn, will make all Tor clients bootstrap a little faster, especially those on sl...

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