Greetings,
We've just released tor 0.4.7.5-alpha. ChangeLog is below.
https://forum.torproject.net/t/release-0-4-7-5-alpha/2744
Cheers!
David
Changes in version 0.4.7.5-alpha - 2022-03-25
This version contains, of what we hope, the final work for congestion
control paving the way to the stable version. We expect this to be the last
alpha version of the 0.4.7.x series. Mostly minor bugfixes except one major
bugfix that changes how Tor behaves with DNS timeouts for Exit relays. As
always with an alpha, we recommend all relay operators to upgrade from
previous alpha to this one.
o Major bugfixes (onion service, congestion control):
- Fix the onion service upload case where the congestion control
parameters were not added to the right object. Fixes bug 40586;
bugfix on 0.4.7.4-alpha.
o Major bugfixes (relay, DNS):
- Lower the DNS timeout from 3 attempts at 5 seconds each to 2
attempts at 1 seconds each. Two new consensus parameters were
added to control these values. This change should improve observed
performance under DNS load; see ticket for more details. Fixes bug
40312; bugfix on 0.3.5.1-alpha.
o Minor features (control port):
- Provide congestion control fields on CIRC_BW and STREAM control
port events, for use by sbws. Closes ticket 40568.
o Minor features (fallbackdir):
- Regenerate fallback directories generated on March 25, 2022.
o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database, as
retrieved on 2022/03/25.
o Minor bugfixes (DNSPort, dormant mode):
- A request on the DNSPort now wakes up a dormant tor. Fixes bug
40577; bugfix on 0.3.5.1-alpha.
o Minor bugfixes (metrics port, onion service):
- Fix the metrics with a port label to be unique. Before this, all
ports of an onion service would be on the same line which violates
the Prometheus rules of unique labels. Fixes bug 40581; bugfix
on 0.4.5.1-alpha.
o Minor bugfixes (onion service congestion control):
- Avoid a non-fatal assertion failure in the case where we fail to
set up congestion control on a rendezvous circuit. This could
happen naturally if a cache entry expired at an unexpected time.
Fixes bug 40576; bugfix on 0.4.7.4-alpha.
o Minor bugfixes (onion service, client):
- Fix a rare but fatal assertion failure due to a guard subsystem
recursion triggered by the onion service client. Fixes bug 40579;
bugfix on 0.3.5.1-alpha.
o Minor bugfixes (relay, overload):
- Decide whether to signal overload based on a fraction and
assessment period of ntor handshake drops. Previously, a single
drop could trigger an overload state, which caused many false
positives. Fixes bug 40560; bugfix on 0.4.7.1-alpha.
--
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