- Added information about removal of streams pooling API.
- Added mechanism to force outer streams to be closed before their inner ones. - Fixed temp:// streams only handling correctly (through an ad hoc mechanism) reverse closing order when the inner stream is of type memory.
…l.c. - Added to UPGRADING information about the new class Transliteral, the new parameter in dns_get_record and the fact that call_user_func_array no longer allows call-time pass-by-reference.