[2.59.0] - 2026-02-09

Added

• Post-quantum NTCP2 crypto(ML-KEM-512, ML-KEM-768, ML-KEM-1024) support if openssl >= 3.5.0
• UDP associate for SOCKS5 proxy
• Trusted routers list for first hop per tunnel
• “i2p.streaming.maxConnsPerMinute” and “i2p.streaming.maxResends” params
• Limited connectivity mode
• *.b32.i2p addresses for SAM datagrams
• Limiting the number of datagrams sent to maintain the consistency of session encryption through UDP tunnels
• Desktop app mode for Haiku
• Ability to suppress X-I2P-* headers for HTTP server tunnel
• Multi cloves garlic message for datagrams
• Network error and testing metrics for I2PControl
• Handle reseed address redirection
• Throttle excessive number of tunnel build message from the same peer
• Localization to Esperanto, Filipino and Finnish

Changed

• Return base64 of ident instead full address for Datagram3 in SAM
• Send ratchet session response for unidirectional traffic for I2CP
• Set default number of generated tags to 800 for a datagram destination
• Check ML-KEM encaps_key section length before decryption
• Create new stream only if bandwidth is available. Close non-responding streams
• Use Datagram3 by default in UDP tunnels
• Floodfills are not introducers
• Disable ipv6 if global ipv6 interface not found
• Network congestion detection algorithm in streaming
• Reply with relay tag only if accept tunnels
• Case-insensitive Content-Length header in I2PControl
• Increase PID string length
• Don’t communicate with routers of version < 0.9.58
• Webconsole layout improvements
• Localization to Hebrew
• Reseeds list

Fixed

• Incorrect params length calculation for SAM streams
• Unexpected index in SymmetricKeyTagSet
• Incorrect preferred crypto type if i2cp.leaseSetEncType is not specified
• Decoding %00 in url
• Thread-unsafe localtime()
• NetDb crash on stop
• Peer test result OK in case of another recent peer test
• Published port if full-cone NAT
• Missing trailing newline in I2PControl JSON response
• Language selection in webconsole