# Kubo 0.42.0 release: on-demand CID announcements, partial CAR import and export, and reprovide changes

DevFeed: [Kubo 0.42.0 release: on-demand CID announcements, partial CAR import and export, and reprovide changes](<https://devfeed.tech/articles/just-released-kubo-0-42-0-35642.md>)

Original publisher: [Read original article](<https://github.com/ipfs/kubo/releases/tag/v0.42.0>)

Author: Ipfs

Published: 2026-06-08T00:00:00Z

Content type: release

Language: en

Sources: [IPFS](<https://devfeed.tech/sources/ipfs.md>)

Topics: [releases](<https://devfeed.tech/topics/releases.md>), [version](<https://devfeed.tech/topics/version.md>), [export](<https://devfeed.tech/topics/export.md>), [import](<https://devfeed.tech/topics/import.md>), [migration](<https://devfeed.tech/topics/migration.md>), [Routing (disambiguation)](<https://devfeed.tech/topics/routing.md>)

Tags: [block](<https://devfeed.tech/tags/block.md>), [export](<https://devfeed.tech/tags/export.md>), [gateway](<https://devfeed.tech/tags/gateway.md>), [import](<https://devfeed.tech/tags/import.md>), [kubo](<https://devfeed.tech/tags/kubo.md>), [migration](<https://devfeed.tech/tags/migration.md>), [other](<https://devfeed.tech/tags/other.md>), [release-notes](<https://devfeed.tech/tags/release-notes.md>), [releases](<https://devfeed.tech/tags/releases.md>), [retries](<https://devfeed.tech/tags/retries.md>), [routing](<https://devfeed.tech/tags/routing.md>), [store](<https://devfeed.tech/tags/store.md>), [terminal](<https://devfeed.tech/tags/terminal.md>), [version](<https://devfeed.tech/tags/version.md>)

## AI overview

Kubo 0.42.0 adds on-demand CID announcements, supports streaming CIDs from standard input, and introduces partial CAR export and import. It also changes providing semantics, fixes pin operations blocked by reprovide cycles, and improves migration retries for older repositories.

## Source excerpt

Just released: Kubo 0.42.0!