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Merge pull request #9707 from ipfs/changelog-0.19

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docs: 0.19 changelog
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Piotr Galar 2023-03-20 11:45:02 +01:00 committed by galargh
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docs/changelogs/v0.19.md
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@ -7,6 +7,10 @@
- [Overview](#overview)
- [🔦 Highlights](#-highlights)
- [Improving the libp2p resource management integration](#improving-the-libp2p-resource-management-integration)
- [PubSub message caching improvements](#pubsub-message-caching-improvements)
- [Gateways](#gateways)
- [Signed IPNS Record response format](#signed-ipns-record-response-format)
- [Example fetch and inspect IPNS record](#example-fetch-and-inspect-ipns-record)
- [Addition of "autoclient" router type](#addition-of-autoclient-router-type)
- [Deprecation of the `ipfs pubsub` commands and matching HTTP endpoints](#deprecation-of-the-ipfs-pubsub-commands-and-matching-http-endpoints)
- [📝 Changelog](#-changelog)
@ -24,6 +28,50 @@ and [0.18.1](https://github.com/ipfs/kubo/blob/master/docs/changelogs/v0.18.md#i
- Note: we don't expect most users to need these capablities, but they are there if so.
1. [Doc updates](https://github.com/ipfs/kubo/blob/master/docs/libp2p-resource-management.md).
#### PubSub message caching improvements
The PubSub message cache will now [prune messages after TTL is exhausted](https://github.com/ipfs/kubo/blob/master/docs/config.md#pubsubseenmessagesttl), [either based on the last time a message was seen or the first time it was seen](https://github.com/ipfs/kubo/blob/master/docs/config.md#pubsubseenmessagesstrategy).
#### Gateways
##### Signed IPNS Record response format
This release implements [IPIP-351](https://github.com/ipfs/specs/pull/351) and
adds Gateway support for returning signed (verifiable) `ipns-record` (0x0300)
when `/ipns/{libp2p-key}` is requested with either
`Accept: application/vnd.ipfs.ipns-record` HTTP header
or `?format=ipns-record` URL query parameter.
The Gateway in Kubo already supported [trustless, verifiable retrieval](https://docs.ipfs.tech/reference/http/gateway/#trustless-verifiable-retrieval) of immutable `/ipfs/` namespace.
With `?format=ipns-record`, light HTTP clients are now able to get the same level of verifiability for IPNS websites.
Tooling is limited at the moment, but we are working on [go-libipfs](https://github.com/ipfs/go-libipfs/) examples that illustrate the verifiable HTTP client pattern.
##### Example: fetch IPNS record over HTTP and inspect it with `ipfs name inspect --verify`
```console
$ FILE_CID=$(echo "Hello IPFS" | ipfs add --cid-version 1 -q)
$ IPNS_KEY=$(ipfs key gen test)
$ ipfs name publish /ipfs/$FILE_CID --key=test --ttl=30m
Published to k51q..dvf1: /ipfs/bafk..z244
$ curl "http://127.0.0.1:8080/ipns/$IPNS_KEY?format=ipns-record" > signed.ipns-record
$ ipfs name inspect --verify $IPNS_KEY < signed.ipns-record
Value: "/ipfs/bafk..."
Validity Type: "EOL"
Validity: 2023-03-09T23:13:34.032977468Z
Sequence: 0
TTL: 1800000000000
PublicKey: ""
Signature V1: "m..."
Signature V2: "m..."
Data: {...}
Validation results:
Valid: true
PublicKey: 12D3...
```
#### Addition of "autoclient" router type
A new routing type "autoclient" has been added. This mode is similar to "auto", in that it is a hybrid of content routers (including Kademlia and HTTP routers), but it does not run a DHT server. This is similar to the difference between "dhtclient" and "dht" router types.