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The Tor Project@torproject@mastodon.social (2026-07-02 06:55:06)
🚨🔃 Arti 2.5.0 is out. This release marks Counter Galois Onion as stable, enables Congestion Control by default for improved speed, and includes fixes for two medium-severity DoS security issues. Read the full changelog: https://blog.torproject.org/arti_2_5_0_released/
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The Tor Project@torproject@mastodon.social (2026-07-02 06:55:16)
What is Counter Galois Onion? A new encryption design for Tor circuit traffic.
The main goal: stronger protection against tagging attacks, where an attacker tries to modify traffic in one place and recognize the change somewhere else on the network. https://blog.torproject.org/introducing-cgo/
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The Tor Project@torproject@mastodon.social (2026-07-02 06:55:27)
What is congestion control?
Instead of using a fixed speed limit, congestion control lets Tor adapt how much data moves through a circuit based on available capacity. For users, the goal is simple: improved speed and lower latency. https://blog.torproject.org/congestion-contrl-047/