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Kubo changelog v0.24

v0.24.0

Overview

🔦 Highlights

Support for content blocking

This Kubo release ships with built-in content-blocking subsystem announced earlier this year. Content blocking is an opt-in decision made by the operator of ipfs daemon. The official build does not ship with any denylists.

Learn more at /docs/content-blocking.md

Gateway: the root of the CARs are no longer meaningful

When requesting a CAR from the gateway, the root of the CAR might no longer be meaningful. By default, the CAR root will be the last resolvable segment of the path. However, in situations where the path cannot be resolved, such as when the path does not exist, a CAR will be sent with a root of bafkqaaa (empty CID). This CAR will contain all blocks necessary to validate that the path does not exist.

IPNS: improved publishing defaults

This release changes the default values used when publishing IPNS record via ipfs name publish command:

  • Default --lifetime increased from 24h to 48h to take full advantage of the increased expiration window of Amino DHT (go-libp2p-kad-dht#793)
  • Default --ttl increased from 1m to 1h to improve website caching and follow saner defaults present in similar systems like DNS (specs#371)

This change only impacts the implicit defaults, when mentioned parameters are omitted during publishing. Users are free to override the default if different value makes more sense for their use case.

IPNS: record TTL is used for caching

In this release, we've made significant improvements to IPNS caching.

Previously, the TTL value in IPNS records was not utilized, and the boxo/namesys library maintained a static one-minute resolution cache.

With this update, IPNS publishers gain more control over how long a valid IPNS record remains cached before checking an upstream routing system, such as Amino DHT, for updates. The TTL value in the IPNS record now serves as a hint for:

  • boxo/namesys: the internal cache, determining how long the IPNS resolution result is cached before asking upsteam routing systems for updates.
  • boxo/gateway: the Cache-Control HTTP header in responses to requests made for /ipns/name content paths.

These changes make it easier for rarely updated IPNS-hosted websites to be cached more efficiently and load faster in browser contexts.

Experimental Transport: WebRTC Direct

This Kubo release includes the initial work towards WebRTC Direct introduced in go-libp2p v0.32:

WebRTC Direct allows browser nodes to connect to go-libp2p nodes directly, without any configuration (e.g. TLS certificates) needed on the go-libp2p side. This is useful for browser nodes that aren’t able to use WebTransport.

The /webrtc-direct transport is disabled by default in Kubo 0.24, and not ready for production use yet, but we plan to enable it in a future release.

See Swarm.Transports.Network.WebRTCDirect to learn how to enable it manually, and what current limitations are.

📝 Changelog

Full Changelog

👨‍👩‍👧‍👦 Contributors

Contributor Commits Lines ± Files Changed
Henrique Dias 27 +4505/-3853 244
Marten Seemann 18 +4260/-1173 101
Sukun 24 +1499/-340 79
Andrew Gillis 4 +169/-1025 16
Adin Schmahmann 4 +788/-184 19
Hector Sanjuan 6 +619/-72 19
Steven Allen 11 +489/-101 14
Jorropo 10 +221/-192 28
Łukasz Magiera 2 +306/-9 3
Lucas Molas 1 +183/-52 2
Marcin Rataj 5 +160/-25 6
piersy 1 +57/-0 6
Raúl Kripalani 1 +25/-25 2
Alvin Reyes 1 +34/-14 1
Dennis Trautwein 1 +1/-40 2
Icarus9913 1 +14/-14 10
Takashi Matsuda 2 +18/-1 3
gammazero 4 +8/-5 7
xiaolou86 1 +6/-6 5
Daniel Martí 1 +9/-2 1
Rod Vagg 3 +5/-5 4
Andrej Manduch 1 +5/-5 3
vuittont60 1 +4/-4 3
vyzo 1 +5/-1 1
tkzktk 1 +3/-3 3
tk 1 +3/-3 2
Prem Chaitanya Prathi 1 +1/-5 1
Kay 2 +2/-3 2
Thomas Eizinger 1 +2/-2 1
Steve Loeppky 1 +2/-2 1
Jonas Keunecke 1 +2/-2 1
Alejandro Criado-Pérez 1 +1/-1 1
web3-bot 1 +1/-0 1
Eric 1 +1/-0 1