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MINOR: Fix zk2kraft page broken link - #21284

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chia7712 merged 2 commits into
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m1a2st:MINOR-fix-migrate-kraft-link-4.0
Jan 12, 2026
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chia7712 merged 2 commits into
apache:4.0from
m1a2st:MINOR-fix-migrate-kraft-link-4.0

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@m1a2st m1a2st commented Jan 11, 2026 •

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#21270 for 4.0 branch

Reviewers: Chia-Ping Tsai chia7712@gmail.com

Comment thread docs/getting-started/upgrade.md Outdated

* The filename for rotated `state-change.log` files has been updated from `stage-change.log.[date]` to `state-change.log.[date]` in the log4j2.yaml configuration file. See [KAFKA-19576](https://issues.apache.org/jira/browse/KAFKA-19576) for details.
* Kafka Streams include a critical fix to upgrade from `KStreams#transformValues()` (removed with 4.0.0 release) to `KStreams#processValues()`. For more details, see the [migration guide](/40/documentation/streams/developer-guide/dsl-api.html#transformers-removal-and-migration-to-processors).
* Kafka Streams include a critical fix to upgrade from `KStreams#transformValues()` (removed with 4.0.0 release) to `KStreams#processValues()`. For more details, see the [migration guide](/41/streams/developer-guide/dsl-api/#transformers-removal-and-migration-to-processors).

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41 -> 40

@chia7712
chia7712 merged commit 3d12c2c into apache:4.0 Jan 12, 2026
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