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One real rendered diff: redis 25.5.3 to 27.0.0

This page shows what a version bump actually changes in the rendered objects, computed from the two committed renders rather than described. Both renders are in this repository, so every number here is checkable. View source markdown.

Source renders:

  • recipes/bitnami/redis/25.5.3/revisions/default/r001/rendered/release-objects.yaml
  • recipes/bitnami/redis/27.0.0/revisions/default/r001/rendered/release-objects.yaml

The shape of the change

Both versions render the same 14 objects with the same identities: no object is added, removed, or renamed by this upgrade. The diff is 85 lines across those objects.

Three changes matter operationally:

  1. The users.acl block is gone from the configuration ConfigMap in 27.0.0. If you relied on it, the upgrade removes it silently.
  2. The checksum/configmap pod annotations rotate. That is by design in the chart, and it means the upgrade restarts the pods even though your values did not change. Plan the upgrade window accordingly.
  3. The chart and app version labels move, which is cosmetic.

Why this page exists

helm upgrade shows you none of this until apply time. Rendering both versions and diffing them shows all of it before you schedule the change. The day-2 upgrade guide shows the same comparison done through recorded revisions, where the diff also survives as a record.

Generated from the committed markdown file docs/user/example-rendered-diff.md. The source file is the authoritative version.