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Diffstat (limited to 'CHANGELOG.md')
| -rw-r--r-- | CHANGELOG.md | 140 |
1 files changed, 122 insertions, 18 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md index 95129934b..0c8f2526f 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -5,11 +5,13 @@ is more mature, and we start to version crates independently, we may switch to using a separate changelog for each crate. -# Arti 0.2.0 — XXXX Apr 2022 +# Arti 0.2.0 — 1 Apr 2022 -BLURB - -(entries below are taken through 482b2e3256cc0c738dc1deb3029173b8619920dd) +Arti 0.2.0 makes a large number of changes to Arti's code and +infrastructure for better configurability, lower memory usage, support +for running as a basic DNS resolver, improved stream isolation, better +behavior under network failures, and API support for a "dormant mode" to +suspend background activities. ### Breaking changes @@ -26,17 +28,15 @@ Numerous other lower-level crates have breaking changes not noted here. - To remove unnecessary ad-hoc accessor functions until they prove to be needed. - This change - is not done in this release; we expect to have more breakage - in this area in our next release as well. ([#314], [#371], [#372], - [#374], [#396], [#418], - [!391], [!401], [!417], [!421], [!423], [!425], [!427]) + This change is not done in this release; we expect to have more + breakage in this area in our next release as well. ([#314], [#371], + [#372], [#374], [#396], [#418], [!391], [!401], [!417], [!421], + [!423], [!425], [!427]) - The [`Runtime`] trait now includes (and requires) UDP support. (Part of [!390]'s support for DNS.) - Stream isolation support is completely revised; see notes on isolation below. - ### New features - Experimental feature to allow the [`DirMgr`] to be replaced by @@ -70,9 +70,13 @@ Numerous other lower-level crates have breaking changes not noted here. the directory is in an inconsistent or non-working state. ([#397], [!431]) - Arti now has initial support for a "Dormant Mode" where periodic events are suspended. Later, even more background tasks will be shut - down. ([#90], [!429]) + down. ([#90], [!429], [!436]) +- Fallback directory caches are now handled with logic similar to guards, + so we can avoid ones that aren't working, and simplify our logic for + path construction. As a fringe benefit, this unification means that + we can now use our guards as directory caches even when we don't have + an up-to-date consensus. ([#220], [#406], [!433]) -### Major bugfixes ### Infrastructure @@ -80,7 +84,7 @@ Numerous other lower-level crates have breaking changes not noted here. perform various kinds of stress-testing on our implementation. It can simulate several kinds of failure and overload conditions; we've been using it to improve Arti's behavior when the network is broken or - misbehaving. ([!378], [!392]; see also [#329]) + misbehaving. ([#397], [!378], [!392], [!442]; see also [#329]) - The [`arti-bench`] tool now constructs streams in parallel and supports isolated circuits, so we can stress-test the performance of a simulated busy client. ([#380], [!384]) @@ -115,19 +119,119 @@ Numerous other lower-level crates have breaking changes not noted here. attempt. ([#383], [!394]) - Always send an "If-Modified-Since" header on consensus requests, since we wouldn't want a consensus that was far too old. ([#403], [!412]) -- Actually acknowledge preemptive circuits configuration. Previously, +- Actually use "preemptive circuit" configuration. Previously, we missed a place where we needed to copy it. (Part of [!417]) - Backend support for collecting clock skew information; not yet used. ([#405], [!410]) - Major refactoring for periodic events, to support an intial version of "dormant mode." ([!429]) +- Remove most uses of `SystemTime::now`, in favor of calling the equivalent + function on [`SleepProvider`]. ([#306], [!365]) +- Several bugs in the logic for retrying directory downloads + have been fixed, and several parameters have been tuned, to lead to + better behavior under certain network failure conditions. ([!439]) ### Acknowledgments -XXXXXXXXXXXXXXXXXXXXXXX - - - +Thanks to everybody who has contributed to this release, including +Christian Grigis, Dimitris Apostolou, Lennart Kloock, Michael, solanav, +Steven Murdoch, and Trinity Pointard. + +[!274]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/274 +[!318]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/318 +[!347]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/347 +[!365]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/365 +[!373]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/373 +[!374]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/374 +[!375]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/375 +[!377]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/377 +[!378]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/378 +[!379]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/379 +[!380]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/380 +[!381]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/381 +[!382]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/382 +[!383]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/383 +[!384]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/384 +[!386]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/386 +[!388]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/388 +[!389]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/389 +[!390]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/390 +[!391]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/391 +[!392]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/392 +[!393]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/393 +[!394]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/394 +[!396]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/396 +[!398]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/398 +[!401]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/401 +[!402]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/402 +[!403]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/403 +[!407]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/407 +[!408]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/408 +[!409]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/409 +[!410]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/410 +[!412]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/412 +[!415]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/415 +[!417]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/417 +[!418]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/418 +[!420]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/420 +[!421]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/421 +[!423]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/423 +[!425]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/425 +[!426]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/426 +[!427]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/427 +[!429]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/429 +[!431]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/431 +[!433]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/433 +[!434]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/434 +[!436]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/436 +[!439]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/439 +[!442]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/442 +[#90]: https://gitlab.torproject.org/tpo/core/arti/-/issues/90 +[#150]: https://gitlab.torproject.org/tpo/core/arti/-/issues/150 +[#220]: https://gitlab.torproject.org/tpo/core/arti/-/issues/220 +[#267]: https://gitlab.torproject.org/tpo/core/arti/-/issues/267 +[#306]: https://gitlab.torproject.org/tpo/core/arti/-/issues/306 +[#314]: https://gitlab.torproject.org/tpo/core/arti/-/issues/314 +[#329]: https://gitlab.torproject.org/tpo/core/arti/-/issues/329 +[#369]: https://gitlab.torproject.org/tpo/core/arti/-/issues/369 +[#371]: https://gitlab.torproject.org/tpo/core/arti/-/issues/371 +[#372]: https://gitlab.torproject.org/tpo/core/arti/-/issues/372 +[#374]: https://gitlab.torproject.org/tpo/core/arti/-/issues/374 +[#376]: https://gitlab.torproject.org/tpo/core/arti/-/issues/376 +[#377]: https://gitlab.torproject.org/tpo/core/arti/-/issues/377 +[#378]: https://gitlab.torproject.org/tpo/core/arti/-/issues/378 +[#380]: https://gitlab.torproject.org/tpo/core/arti/-/issues/380 +[#383]: https://gitlab.torproject.org/tpo/core/arti/-/issues/383 +[#384]: https://gitlab.torproject.org/tpo/core/arti/-/issues/384 +[#385]: https://gitlab.torproject.org/tpo/core/arti/-/issues/385 +[#386]: https://gitlab.torproject.org/tpo/core/arti/-/issues/386 +[#387]: https://gitlab.torproject.org/tpo/core/arti/-/issues/387 +[#388]: https://gitlab.torproject.org/tpo/core/arti/-/issues/388 +[#396]: https://gitlab.torproject.org/tpo/core/arti/-/issues/396 +[#397]: https://gitlab.torproject.org/tpo/core/arti/-/issues/397 +[#403]: https://gitlab.torproject.org/tpo/core/arti/-/issues/403 +[#405]: https://gitlab.torproject.org/tpo/core/arti/-/issues/405 +[#406]: https://gitlab.torproject.org/tpo/core/arti/-/issues/406 +[#407]: https://gitlab.torproject.org/tpo/core/arti/-/issues/407 +[#414]: https://gitlab.torproject.org/tpo/core/arti/-/issues/414 +[#415]: https://gitlab.torproject.org/tpo/core/arti/-/issues/415 +[#418]: https://gitlab.torproject.org/tpo/core/arti/-/issues/418 +[87a3f6b58a5e75f7]: https://gitlab.torproject.org/tpo/core/arti/-/commit/87a3f6b58a5e75f7060a6797b8e1b33175fd5329 +[cb103e04cf4d9853]: https://gitlab.torproject.org/tpo/core/arti/-/commit/cb103e04cf4d985333a6949f0fd646258dcedcd2 +[eed1f06662366511]: https://gitlab.torproject.org/tpo/core/arti/-/commit/eed1f06662366511fe5fd15ac0ab0cb69497f2cf +[RFC 8305]: https://datatracker.ietf.org/doc/html/rfc8305 +[`DirMgr`]: https://tpo.pages.torproject.net/core/doc/rust/tor_dirmgr/struct.DirMgr.html +[`DirProvider`]: https://tpo.pages.torproject.net/core/doc/rust/tor_dirmgr/trait.DirProvider.html +[`Runtime`]: https://tpo.pages.torproject.net/core/doc/rust/tor_rtcompat/trait.Runtime.html +[`SleepProvider`]: https://tpo.pages.torproject.net/core/doc/rust/tor_rtcompat/trait.SleepProvider.html +[`arti-bench`]: https://tpo.pages.torproject.net/core/doc/rust/arti_bench/index.html +[`arti-testing`]: https://tpo.pages.torproject.net/core/doc/rust/arti_testing/index.html +[`derive_more`]: https://docs.rs/derive_more/latest/derive_more/index.html +[`educe`]: https://docs.rs/educe/latest/educe/ +[`tor-basic-utils`]: https://tpo.pages.torproject.net/core/doc/rust/tor_basic_utils/index.html +[forked version of `shellexpand`]: https://crates.io/crates/shellexpand-fork +[proposal 336]: https://gitlab.torproject.org/tpo/core/torspec/-/blob/main/proposals/336-randomize-guard-retries.md +[stream isolation API]: https://tpo.pages.torproject.net/core/doc/rust/tor_circmgr/isolation/index.html |