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Sorting and editing on the changelog.
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Nick Mathewson
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ChangeLog
95
ChangeLog
@ -5,38 +5,29 @@ Changes in version 0.4.5.1-alpha - 2020-10-30
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Here are the changes since 0.4.4.5.
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- The "optimistic data" feature is now always on; there is no longer
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an option to disable it from the torrc file or from the consensus
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directory. Closes part of 40139. - The "usecreatefast" network
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parameter is now removed; there is no longer an option for authorities
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to turn it off. Closes part of 40139.
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o Major features (metrics):
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- Introduce a new MetricsPort which exposes, through an HTTP GET
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/metrics request, a series of metrics that tor collects at
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runtime. At the moment, the only supported output format is
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Prometheus data model. Closes ticket 40063. See the manual page
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for more information.
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o Major features (IPv6, relay):
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o Major features (relay, IPv6):
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- The torrc option Address now supports IPv6. By doing so, we've
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also unified the interface to find our address to support IPv4,
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IPv6 and hostname. Closes ticket 33233.
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- Launch IPv4 and IPv6 ORPort self-test circuits on relays and
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bridges. Closes ticket 33222.
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o Major features (metrics):
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- Introduce a new MetricsPort which exposes, through an HTTP GET
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/metrics, a series of metrics that tor collects at runtime. At the
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moment, the only supported output format is Prometheus data model.
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Closes ticket 40063;
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o Major features (relay self-testing, IPv6):
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- Relays now track their IPv6 ORPort separately from the reachability
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of their IPv4 ORPort. They will not publish a descriptor unless
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_both_ ports appear to be externally reachable. Closes
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ticket 34067.
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o Major features (relay, IPv6):
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- Relays now automatically bind on IPv6 for their ORPort unless
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specified otherwise with the IPv4Only flag. Closes ticket 33246.
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- When a relay with IPv6 support opens a connection to another
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relay, and the extend cell lists both IPv4 and IPv6 addresses, the
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first relay now picks randomly which address to use. Closes
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ticket 33220.
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- Relays now track their IPv6 ORPort separately from the reachability
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of their IPv4 ORPort. They will not publish a descriptor unless
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_both_ ports appear to be externally reachable. Closes
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ticket 34067.
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o Major features (tracing):
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- Add a tracing library with USDT and LTTng-UST support. Few
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@ -64,14 +55,6 @@ Changes in version 0.4.5.1-alpha - 2020-10-30
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specifying the time format of expiration date. Adds Unix timestamp
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format support. Patch by Daniel Pinto. Closes ticket 30045.
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o Minor features (authorities):
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- Authorities now list a different set of protocols as required and
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recommended. These lists are chosen so that only truly recommended
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and/or required protocols are included, and so that clients using
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0.2.9 or later will continue to work (even though they are not
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supported), whereas only relays running 0.3.5 or later will meet
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the requirements. Closes ticket 40162.
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o Minor features (bootstrap reporting):
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- When reporting bootstrapping status on a relay, do not consider
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connections that have never been the target of an origin circuit.
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@ -85,8 +68,6 @@ Changes in version 0.4.5.1-alpha - 2020-10-30
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- When running the configure script, try to detect version
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mismatches between the openssl headers and libraries, and suggest
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that the user should try "--with-openssl-dir". Closes 40138.
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o Minor features (compilation):
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- When building Tor, first link all object files into a single
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static library. This may help with embedding Tor in other
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programs. Note that most Tor functions do not constitute a part of
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@ -107,15 +88,11 @@ Changes in version 0.4.5.1-alpha - 2020-10-30
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- When a stream enters the AP_CONN_STATE_CONTROLLER_WAIT status,
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send a control port event CONTROLLER_WAIT. Closes ticket 32190.
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Patch by Neel Chauhan.
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o Minor features (control port, relay):
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- Introduce "GETINFO address/v4" and "GETINFO address/v6" in the
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control port to fetch the Tor host's respective IPv4 or IPv6
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address. We keep "GETINFO address" for backwords-compatibility
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which retains the current behavior. Closes ticket 40039. Patch by
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Neel Chauhan.
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o Minor features (control port, rephist):
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- Introduce GETINFO "stats/ntor/{assigned/requested}" and
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"stats/tap/{assigned/requested}" to get the NTorand TAP circuit
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onion handshake rephist values respectively. Closes ticket 28279.
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@ -126,19 +103,17 @@ Changes in version 0.4.5.1-alpha - 2020-10-30
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launching an IPv6 self-test. Closes ticket 34068.
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o Minor features (directory authorities):
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- Create new consensus method that removes the unecessary = padding
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- Authorities now list a different set of protocols as required and
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recommended. These lists are chosen so that only truly recommended
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and/or required protocols are included, and so that clients using
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0.2.9 or later will continue to work (even though they are not
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supported), whereas only relays running 0.3.5 or later will meet
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the requirements. Closes ticket 40162.
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- Add a new consensus method that removes the unecessary = padding
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from ntor-onion-key. Closes ticket 7869. Patch by Daniel Pinto.
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- Directory authorities now reject descriptors from relays running
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Tor versions from the 0.4.1 series, but still allow the 0.3.5
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series. Resolves ticket 34357. Patch by Neel Chauhan.
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o Minor features (directory authorities, IPv6):
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- Make authorities add their IPv6 ORPort (if any) to the trusted dir
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servers list. Authorities currently add themselves to the trusted
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dir servers list, but they only add their IPv4 address and ports
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to the list. Closes ticket 32822.
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o Minor features (directory authority):
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- Make it possible to specify multiple ConsensusParams torrc lines.
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Now directory authority operators can for example put the main
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ConsensusParams config in one torrc file and then add to it from a
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@ -152,6 +127,12 @@ Changes in version 0.4.5.1-alpha - 2020-10-30
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by this metric if they are in the same /64 network. Patch from
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Maurice Pibouin. Closes ticket 7193.
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o Minor features (directory authorities, IPv6):
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- Make authorities add their IPv6 ORPort (if any) to the trusted dir
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servers list. Authorities currently add themselves to the trusted
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dir servers list, but they only add their IPv4 address and ports
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to the list. Closes ticket 32822.
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o Minor features (ed25519, relay):
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- Save a relay's base64-encoded ed25519 identity key to the data
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directory in a file named fingerprint-ed25519. Closes ticket
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@ -167,21 +148,14 @@ Changes in version 0.4.5.1-alpha - 2020-10-30
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adddress. Previously, ExcludeNodes ignored IPv6 addresses. Closes
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ticket 34065. Patch by Neel Chauhan.
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o Minor features (IPv6, relay):
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- Allow relays to send IPv6-only extend cells. Closes ticket 33222.
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- Declare support for the Relay=3 subprotocol version. Closes
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ticket 33226.
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- When launching IPv6 ORPort self-test circuits, make sure that the
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second-last hop can initiate an IPv6 extend. Closes ticket 33222.
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o Minor features (logging):
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- Adds the running glibc version to the log. Also adds the running
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and compiled glibc version to the library list returned when using
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the flag --library-versions. Patch from Daniel Pinto. Closes
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ticket 40047; bugfix on 0.4.5.0-alpha-dev.
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- Consider 301 as an error like a 404 when processing the response
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to a request for a group of server descriptors or an extrainfo
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documents. Closes ticket 40053.
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- Consider an HTTP 301 response as an error (like a 404) when
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processing the response to a request for a group of server
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descriptors or an extrainfo documents. Closes ticket 40053.
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- Print directory fetch information a single line. Closes
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ticket 40159.
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- Provide more complete descriptions of our connections when logging
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@ -237,13 +211,18 @@ Changes in version 0.4.5.1-alpha - 2020-10-30
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to be used in an emergency to tell relays that they should publish
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even if they cannot complete their ORPort self-checks. Closes
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ticket 34064 and part of 33224.
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- Allow relays to send IPv6-only extend cells. Closes ticket 33222.
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- Declare support for the Relay=3 subprotocol version. Closes
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ticket 33226.
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- When launching IPv6 ORPort self-test circuits, make sure that the
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second-last hop can initiate an IPv6 extend. Closes ticket 33222.
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o Minor features (specification update):
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- Several fields in microdescriptors, router descriptors, and
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consensus documents that were formerly optional are now required.
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Implements proposal 315; closes ticket 40132.
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o Minor features (state):
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o Minor features (state management):
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- When loading the state file, remove entries from the statefile
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that have been obsolete for a long time. Ordinarily Tor preserves
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unrecognized entries in order to keep forward-compatibility, but
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@ -415,6 +394,12 @@ Changes in version 0.4.5.1-alpha - 2020-10-30
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- We no longer ship support for the Android logging API. Modern
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versions of Android can use the syslog API instead. Closes
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ticket 32181.
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- The "optimistic data" feature is now always on; there is no longer
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an option to disable it from the torrc file or from the consensus
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directory. Closes part of 40139.
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- The "usecreatefast" network parameter is now removed; there is no
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longer an option for authorities to turn it off. Closes part
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of 40139.
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o Testing:
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- Add unit tests for bandwidth statistics manipulation functions.
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@ -448,8 +433,6 @@ Changes in version 0.4.5.1-alpha - 2020-10-30
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- Document in depth the circuit subsystem trace events in the new
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doc/tracing/EventsCircuit.md. Closes ticket 40036.
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o Removed features (network parameters):
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o Testing (CI):
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- Build tracing configure option into our CI. Closes ticket 40038.
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