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Document apply latching behavior #1926

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Document apply latching behavior #1926

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Document apply latching behaviour
gjenkins8 Nov 15, 2025
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TerryHowe Dec 13, 2025
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8 changes: 8 additions & 0 deletions docs/overview.md
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Expand Up @@ -46,6 +46,14 @@ Split complex values across multiple YAML files. Perfect for testing different e
#### Server-Side Apply
Better conflict resolution when multiple tools manage the same resources. Test in environments with operators or other controllers.

Helm 4 will default to server-side apply when installing a new Chart release.

When upgrading (or rolling back), Helm will by default follow the previous apply method of the release.
This latching behavior is done to ensure continuity of operation for existing releases that used client-side apply.
The behavior can be overridden by setting the `--server-side` flag explicitly.

As such, all releases created by Helm 3 will default to using client-side apply after upgrading to Helm 4.

#### Custom Template Functions
Extend Helm's templating with your own functions through plugins. Great for organization-specific templating needs.

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