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release: ChangeLog and ReleaseNotes for 0.4.7.4-alpha

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Tor CI Release 2022-02-25 14:09:50 +00:00 committed by David Goulet
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66
ChangeLog
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@ -1,3 +1,69 @@
Changes in version 0.4.7.4-alpha - 2022-02-25
This version contains the negotiation congestion control work which is the
final part needed before going stable. There are also various bugfixes
including two major ones detailed below. Last, the Exit notice page layout
has been modernized but the text is unchanged. We recommend that all relay
operators running any previous alpha upgrade to this one.
o Major features (relay, client, onion services):
- Implement RTT-based congestion control for exits and onion
services, from Proposal 324. Disabled by default. Enabled by the
'cc_alg' consensus parameter. Closes ticket 40444.
o Major bugfixes (client):
- Stop caching TCP connect failures to relays/bridges when we
initiated the connection as a client. Now we only cache connect
failures as a relay or bridge when we initiated them because of an
EXTEND request. Declining to re-attempt the client-based
connections could cause problems when we lose connectivity and try
to reconnect. Fixes bug 40499; bugfix on 0.3.3.4-alpha.
o Major bugfixes (relay, overload):
- Do not trigger a general overload on DNS timeout. Even after
fixing 40527, some code remained that triggered the overload.
Fixes bug 40564; bugfix on 0.4.7.1-alpha.
o Minor feature (authority, relay):
- Reject End-Of-Life relays running version 0.3.5.x. Closes
ticket 40559.
o Minor features (fallbackdir):
- Regenerate fallback directories generated on February 25, 2022.
o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database, as
retrieved on 2022/02/25.
o Minor bugfix (logging):
- Update a log notice dead URL to a working one. Fixes bug 40544;
bugfix on 0.3.5.1-alpha.
o Minor bugfix (relay):
- Remove the HSDir and HSIntro onion service v2 protocol versions so
relay stop advertising that they support them. Fixes bug 40509;
bugfix on 0.3.5.17.
o Minor bugfixes (cell scheduling):
- Avoid writing empty payload with NSS write.
- Don't attempt to write 0 bytes after a cell scheduling loop. No
empty payload was put on the wire. Fixes bug 40548; bugfix
on 0.3.5.1-alpha.
o Minor bugfixes (compilation):
- Resume being able to build on old / esoteric gcc versions. Fixes
bug 40550; bugfix on 0.4.7.1-alpha.
o Minor bugfixes (compiler warnings):
- Fix couple compiler warnings on latest Ubuntu Jammy. Fixes bug
40516; bugfix on 0.3.5.1-alpha.
o Documentation:
- Provide an improved version of the tor-exit-notice.html file for
exit relays to use as a landing page. The text is unchanged, but
the page design and layout are significantly modernized, and
several links are fixed. Patch from "n_user"; closes ticket 40529.
Changes in version 0.4.6.10 - 2022-02-04
This version contains minor bugfixes but one in particular is that relays
don't advertise onion service v2 support at the protocol version level.

66
ReleaseNotes
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@ -2,6 +2,72 @@ This document summarizes new features and bugfixes in each stable
release of Tor. If you want to see more detailed descriptions of the
changes in each development snapshot, see the ChangeLog file.
Changes in version 0.4.7.4-alpha - 2022-02-25
This version contains the negotiation congestion control work which is the
final part needed before going stable. There are also various bugfixes
including two major ones detailed below. Last, the Exit notice page layout
has been modernized but the text is unchanged. We recommend that all relay
operators running any previous alpha upgrade to this one.
o Major features (relay, client, onion services):
- Implement RTT-based congestion control for exits and onion
services, from Proposal 324. Disabled by default. Enabled by the
'cc_alg' consensus parameter. Closes ticket 40444.
o Major bugfixes (client):
- Stop caching TCP connect failures to relays/bridges when we
initiated the connection as a client. Now we only cache connect
failures as a relay or bridge when we initiated them because of an
EXTEND request. Declining to re-attempt the client-based
connections could cause problems when we lose connectivity and try
to reconnect. Fixes bug 40499; bugfix on 0.3.3.4-alpha.
o Major bugfixes (relay, overload):
- Do not trigger a general overload on DNS timeout. Even after
fixing 40527, some code remained that triggered the overload.
Fixes bug 40564; bugfix on 0.4.7.1-alpha.
o Minor feature (authority, relay):
- Reject End-Of-Life relays running version 0.3.5.x. Closes
ticket 40559.
o Minor features (fallbackdir):
- Regenerate fallback directories generated on February 25, 2022.
o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database, as
retrieved on 2022/02/25.
o Minor bugfix (logging):
- Update a log notice dead URL to a working one. Fixes bug 40544;
bugfix on 0.3.5.1-alpha.
o Minor bugfix (relay):
- Remove the HSDir and HSIntro onion service v2 protocol versions so
relay stop advertising that they support them. Fixes bug 40509;
bugfix on 0.3.5.17.
o Minor bugfixes (cell scheduling):
- Avoid writing empty payload with NSS write.
- Don't attempt to write 0 bytes after a cell scheduling loop. No
empty payload was put on the wire. Fixes bug 40548; bugfix
on 0.3.5.1-alpha.
o Minor bugfixes (compilation):
- Resume being able to build on old / esoteric gcc versions. Fixes
bug 40550; bugfix on 0.4.7.1-alpha.
o Minor bugfixes (compiler warnings):
- Fix couple compiler warnings on latest Ubuntu Jammy. Fixes bug
40516; bugfix on 0.3.5.1-alpha.
o Documentation:
- Provide an improved version of the tor-exit-notice.html file for
exit relays to use as a landing page. The text is unchanged, but
the page design and layout are significantly modernized, and
several links are fixed. Patch from "n_user"; closes ticket 40529.
Changes in version 0.4.6.10 - 2022-02-04
This version contains minor bugfixes but one in particular is that relays
don't advertise onion service v2 support at the protocol version level.

7
changes/bug40499
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@ -1,7 +0,0 @@
o Major bugfixes (client):
- Stop caching TCP connect failures to relays/bridges when we
initiated the connection as a client. Now we only cache connect
failures as a relay or bridge when we initiated them because
of an EXTEND request. Declining to re-attempt the client-based
connections could cause problems when we lose connectivity and
try to reconnect. Fixes bug 40499; bugfix on 0.3.3.4-alpha.

3
changes/bug40550
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@ -1,3 +0,0 @@
o Minor bugfixes (compilation):
- Resume being able to build on old / esoteric gcc versions. Fixes
bug 40550; bugfix on 0.4.7.1-alpha.

2
changes/fallbackdirs-2022-02-04
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@ -1,2 +0,0 @@
o Minor features (fallbackdir):
- Regenerate fallback directories generated on February 04, 2022.

2
changes/fallbackdirs-2022-02-25
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@ -1,2 +0,0 @@
o Minor features (fallbackdir):
- Regenerate fallback directories generated on February 25, 2022.

3
changes/geoip-2022-02-04
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@ -1,3 +0,0 @@
o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database,
as retrieved on 2022/02/04.

3
changes/geoip-2022-02-25
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@ -1,3 +0,0 @@
o Minor features (geoip data):
- Update the geoip files to match the IPFire Location Database,
as retrieved on 2022/02/25.

5
changes/ticket40444
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@ -1,5 +0,0 @@
o Major features (relay, client, onion services):
- Implement RTT-based congestion control for exits and onion services,
from Proposal 324. Disabled by default. Enabled by the 'cc_alg'
consensus parameter. Closes ticket 40444.

4
changes/ticket40509
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@ -1,4 +0,0 @@
o Minor bugfix (relay):
- Remove the HSDir and HSIntro onion service v2 protocol versions so relay
stop advertising that they support them. Fixes bug 40509; bugfix on
0.3.5.17.

3
changes/ticket40516
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@ -1,3 +0,0 @@
o Minor bugfixes (compiler warnings):
- Fix couple compiler warnings on latest Ubuntu Jammy. Fixes bug 40516;
bugfix on 0.3.5.1-alpha.

5
changes/ticket40529
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@ -1,5 +0,0 @@
o Documentation:
- Provide an improved version of the tor-exit-notice.html file for
exit relays to use as a landing page. The text is unchanged,
but the page design and layout are significantly modernized, and
several links are fixed. Patch from "n_user"; closes ticket 40529.

3
changes/ticket40544
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@ -1,3 +0,0 @@
o Minor bugfix (logging):
- Update a log notice dead URL to a working one. Fixes bug 40544; bugfix on
0.3.5.1-alpha.

4
changes/ticket40548
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@ -1,4 +0,0 @@
o Minor bugfixes (cell scheduling):
- Don't attempt to write 0 bytes after a cell scheduling loop. No empty
payload was put on the wire. Fixes bug 40548; bugfix on 0.3.5.1-alpha.
- Avoid writing empty payload with NSS write.

2
changes/ticket40559
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@ -1,2 +0,0 @@
o Minor feature (authority, relay):
- Reject End-Of-Life relays running version 0.3.5.x. Closes ticket 40559.

4
changes/ticket40564
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@ -1,4 +0,0 @@
o Major bugfixes (relay, overload):
- Do not trigger a general overload on DNS timeout. Even after fixing
40527, some code remained that triggered the overload. Fixes bug 40564;
bugfix on 0.4.7.1-alpha.