[Configuration Rules] New webp option in Polish setting (cloudflare#22791)

Author: nikitacano

src/assets/images/changelog/rules/configuration-rules-webp.gif

@@ -0,0 +1,18 @@
+---
+title: Fine-tune image optimization — WebP now supported in Configuration Rules
+description: Configuration Rules now let you selectively enable or disable Polish with WebP format for precise control over image optimization.
+products:
+  - rules
+date: 2025-05-30T17:00:00Z
+---
+
+You can now enable [Polish](/images/polish/activate-polish/) with the `webp` format directly in [Configuration Rules](/rules/configuration-rules/), allowing you to optimize image delivery for specific routes, user agents, or A/B tests — without applying changes zone-wide.
+
+**What’s new:**
+- [WebP](/images/polish/compression/#webp) is now a supported [value](/rules/configuration-rules/settings/#polish) in the **Polish** setting for Configuration Rules.
+
+![New webp option in Polish setting of Configuration Rules](~/assets/images/changelog/rules/configuration-rules-webp.gif)
+
+This gives you more precise control over how images are compressed and delivered, whether you're targeting modern browsers, running experiments, or tailoring performance by geography or device type.
+
+Learn more in the [Polish](/images/polish/) and [Configuration Rules](/rules/configuration-rules/) documentation.

src/content/changelog/rules/2025-05-30-configuration-rules-webp.mdx

@@ -203,18 +203,19 @@ Use this setting to configure Polish for matching requests:
 - Off
 - Lossless
 - Lossy
+- WebP
 
 Refer to [Compression options](/images/polish/compression/#compression-options) for more information on these values.
 
 <Details header="API information">
 
 API configuration property name: `"polish"` (string).
 
-API values: `"off"`, `"lossless"`, `"lossy"`.
+API values: `"off"`, `"lossless"`, `"lossy"`, `"webp"`.
 
 ```json title="API configuration example"
 "action_parameters": {
-  "polish": "lossless"
+  "polish": "webp"
 }
 ```