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diff --git a/CHANGELOG.md b/CHANGELOG.md index 6078061a0..eff5b039f 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -3,6 +3,209 @@ This file describes changes in Arti through the current release. Once Arti is more mature, we may switch to using a separate changelog for each crate. +# Arti 1.4.5 — 7 July 2025 + +Arti 1.4.5 continues development on xon-based ([proposal 324]) flow control and +[Conflux]. In addition, we have drafted an initial design for the directory +cache storage model, which will be needed for the core relay functionality, and +for the directory authority implementation. + +As usual, there are also various under-the-hood improvements and bug fixes, +which are documented below. + +### Breaking changes + +- Console logging now goes to stderr instead of stdout. ([#2024], [!3020]) + +### Breaking changes in lower-level crates + +- In `tor-proto`, `CongestionParams::use_fallback_alg()` is no longer public. +- In `tor-proto`, `ClientCirc::extend_virtual()` now takes parameters by reference, + and a list of Protocol capabilities. +- The `once-cell` feature was removed from `fs-mistrust`. +- In `tor-netdir`, the `FromInt32Saturating` trait has an extra `from_checked` + function. + +### Onion service development + +- Decreased the minimum allowed duration of the `hsdir_interval` to 5 minutes, + according to the changes from [torspec!406]. ([!3042]) +- New experimental `arti keys list` and `arti keys list-keystores` subcommands + for listing the existing keys and configured keystores. + ([#2043], [!3023], [!3060]) + +### Relay development + +- Design notes for the storage model of the directory cache. ([!3017]) + +### Proposal 324 flow control development + +- `DataWriter` is now rate-limited. For now, the rate is set very high (`u64::MAX`), + but in the future it will be dynamically changed as we receive XON/XOFF signals. + ([#1992], [!3014], [!3029], [!3033]) +- Added experimental support for XON/XOFF cells, + gated behind the `flowctl-cc` feature. ([!3031], [!3061]) +- Add a new async notification channel that will be used in the flow control + implementation. ([!3066]) + +### Conflux development + +- Updated conflux implementation to validate the congestion control algorithm used + by the join point hop. ([!3046]) +- Tunnels now have unique identifiers, which are distinct from the identifiers + of their underlying circuits. ([!3048], [!3050]) +- The conflux implementation now uses the circuit `UniqId` to identify circuits. + ([#1999], [!3053]) +- Fixed bug causing the circuits in a conflux tunnel to have disjoint stream maps. + ([#2011], [!3034]) +- Fixed a variety of conflux-related bugs that prevented the handshake from + completing successfully. ([!3034]) +- Addressed several small conflux-related TODOs and typos. ([!3045], [!3065]) +- Removed all uses of `HopNum` outside of `tor-proto`. ([!3075]) +- Fixed a bug causing multipath tunnels to send cells in violation of congestion + control. ([04754e99b8e5899bdb0a6511b486001905dea503]]) +- Fixed an off-by-one error which caused unnecessary leg switching when all + circuits in a multipath tunnel had the same, equally "best" RTT. ([712785e00911543030871d6360fc3c6eeb5b33b5]) +- Fixed a conflux sequence number accounting bug. ([e675585b9e8ecff1ccf097e3be320631253816d8]) +- Added tests for conflux stream management. ([!3034], [!3077]) + +### Internal cleanup and refactoring +- `NetDir::pick_n_relays` no longer logs an unnecessary warning + if there are fewer usable relays than requested. ([!3028]) +- Removed `tor-rtcompat`'s `rustls` dependency in favor of `futures-rustls`. + ([!2943]) +- Refactored `CircParameters` to use a different type for representing + the negotiated settings, and to simplify usage. ([#1967], [#1968], [!3021]) +- In `tor-proto`, the `CircHop` internals are now private. ([[!3034]]) + +### Other user-facing improvements + +- Experimental support for launching a SOCKS proxy from a set of already + bound listeners. ([!3016]) + +### Testing + +- Made the `tor-proto` benchmarks compile on non-x86 architectures too. + ([#2029], [!3032]) +- `MockExecutor::spawn_blocking` now uses `subthread_spawn` instead of + `spawn_identified`. ([#2033], [!3036]) + +### Documentation + +- Removed inaccurate doc comment saying consensus diffs are not supported. + ([!3039]) +- Clarified the drop behavior of `Blocking::spawn_blocking`. ([!3062]) +- Fixed various typos in the README. ([!3078]) + +### Infrastructure + +- CI now uses an updated version of [Chutney] that has native support + for Arti nodes. ([!3009]) +- CI no longer uses a pinned nightly Rust version. + ([#2018], [!3035]) +- In the Shadow integration tests, Arti processes now log to file instead of console. + ([!3020]) +- The Android builds are now reproducible. ([!3055]) + +### Cleanups, minor features, and bugfixes + +- `tor-netdir` no longer uses a pinned version of `typed-index-collections`. + ([#1647], [!3037]) +- Upgraded to `hickory-proto` version 0.25.2. ([#1962], [!3038]) +- Upgraded to `rusqlite` version 0.36.0. ([!3041]) +- Removed the `once_cell` dependency from various crates. ([!3051]) +- In `tor-netdir`, we now log any unexpected or invalid network parameters. + ([!3043]) +- Replaced a runtime key length check with a compile-time check + in `tor-proto`. ([!3068]) +- Updated the `RttEstimator` logic to set all initial estimates to `None` instead of + `0`, and to report a minimum/EWMA RTT of `u32::MAX` if there are no measurements. + ([#2049], [!3074]) +- The `RttEstimator` now has a handle to the `DynTimeProvider` of the circuit, + to support mocking the time in tests. ([!3063]) +- Improved the log messages about rejecting relays. ([#2006], [!3072]) +- Reworked the `tor-proto` `StreamReader` into a `futures::Stream`. ([!3076]) +- Fixed various new clippy warnings in Rust 1.88. ([!3081]) + +### Acknowledgments + +Thanks to everybody who's contributed to this release, including +Dan Ballard, hashcatHitman, hjrgrn, nield, parazyd, and trinity-1686a. + +Also, our deep thanks to +the [Bureau of Democracy, Human Rights and Labor], +and our [other sponsors] +for funding the development of Arti! + +[!2943]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/2943 +[!3009]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3009 +[!3014]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3014 +[!3016]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3016 +[!3017]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3017 +[!3020]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3020 +[!3021]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3021 +[!3023]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3023 +[!3028]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3028 +[!3029]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3029 +[!3031]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3031 +[!3032]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3032 +[!3033]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3033 +[!3034]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3034 +[!3035]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3035 +[!3036]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3036 +[!3037]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3037 +[!3038]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3038 +[!3039]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3039 +[!3041]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3041 +[!3042]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3042 +[!3043]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3043 +[!3045]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3045 +[!3046]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3046 +[!3048]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3048 +[!3050]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3050 +[!3051]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3051 +[!3053]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3053 +[!3055]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3055 +[!3060]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3060 +[!3061]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3061 +[!3062]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3062 +[!3063]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3063 +[!3065]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3065 +[!3066]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3066 +[!3068]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3068 +[!3072]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3072 +[!3074]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3074 +[!3075]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3075 +[!3076]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3076 +[!3077]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3077 +[!3078]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3078 +[!3081]: https://gitlab.torproject.org/tpo/core/arti/-/merge_requests/3081 +[#1647]: https://gitlab.torproject.org/tpo/core/arti/-/issues/1647 +[#1962]: https://gitlab.torproject.org/tpo/core/arti/-/issues/1962 +[#1967]: https://gitlab.torproject.org/tpo/core/arti/-/issues/1967 +[#1968]: https://gitlab.torproject.org/tpo/core/arti/-/issues/1968 +[#1992]: https://gitlab.torproject.org/tpo/core/arti/-/issues/1992 +[#1999]: https://gitlab.torproject.org/tpo/core/arti/-/issues/1999 +[#2006]: https://gitlab.torproject.org/tpo/core/arti/-/issues/2006 +[#2011]: https://gitlab.torproject.org/tpo/core/arti/-/issues/2011 +[#2018]: https://gitlab.torproject.org/tpo/core/arti/-/issues/2018 +[#2024]: https://gitlab.torproject.org/tpo/core/arti/-/issues/2024 +[#2029]: https://gitlab.torproject.org/tpo/core/arti/-/issues/2029 +[#2033]: https://gitlab.torproject.org/tpo/core/arti/-/issues/2033 +[#2043]: https://gitlab.torproject.org/tpo/core/arti/-/issues/2043 +[#2049]: https://gitlab.torproject.org/tpo/core/arti/-/issues/2049 +[04754e99b8e5899bdb0a6511b486001905dea503]: https://gitlab.torproject.org/tpo/core/arti/-/commit/04754e99b8e5899bdb0a6511b486001905dea503 +[712785e00911543030871d6360fc3c6eeb5b33b5]: https://gitlab.torproject.org/tpo/core/arti/-/commit/712785e00911543030871d6360fc3c6eeb5b33b5 +[Bureau of Democracy, Human Rights and Labor]: https://www.state.gov/bureaus-offices/under-secretary-for-civilian-security-democracy-and-human-rights/bureau-of-democracy-human-rights-and-labor/ +[Chutney]: https://gitlab.torproject.org/tpo/core/chutney +[Conflux]: https://spec.torproject.org/proposals/329-traffic-splitting.html +[e675585b9e8ecff1ccf097e3be320631253816d8]: https://gitlab.torproject.org/tpo/core/arti/-/commit/e675585b9e8ecff1ccf097e3be320631253816d8 +[other sponsors]: https://www.torproject.org/about/sponsors/ +[proposal 324]: https://spec.torproject.org/proposals/324-rtt-congestion-control.html +[torspec!406]: https://gitlab.torproject.org/tpo/core/torspec/-/merge_requests/406 + + + # Arti 1.4.4 — 5 June 2025 Arti 1.4.4 continues our development efforts to support multi-legged tunnels in |