{doc} Update extension versioning doc for default value of --allow-preview (#31090)

AllyW · web-flow · commit d728d8646567 · 2025-05-23T14:25:36.000+08:00
diff --git a/doc/extensions/versioning_guidelines.md b/doc/extensions/versioning_guidelines.md
@@ -146,4 +146,4 @@ Current extension module has a combination of semantic scheme and extra metadata
 
 ## Extension Installation Upgrade
 
-To distinguish `stable-only` extension installation with `preview-included` extension installation, `--allow-preview` is added into `az extension add/update` and `az upgrade` and the `stable/preview` justification is made based on this extension versioning specification from CLI version `2.56.0`. Default value for `--allow-preview` is `True` for user compatibility and will be reset to `False` in future breaking change window.
+To distinguish `stable-only` extension installations from `preview-included` installations, the `--allow-preview` flag has been added to `az extension add/update` and `az upgrade`. The `stable/preview` justification follows this versioning specification from CLI version `2.56.0`. The default value for `--allow-preview` is `True` for compatibility and has been reset to `False` as of CLI version `2.67.0`.

Original file line number	Diff line number	Diff line change
`@@ -146,4 +146,4 @@ Current extension module has a combination of semantic scheme and extra metadata`
`146`	`146`
`147`	`147`	`## Extension Installation Upgrade`
`148`	`148`
`149`		-To distinguish `stable-only` extension installation with `preview-included` extension installation, `--allow-preview` is added into `az extension add/update` and `az upgrade` and the `stable/preview` justification is made based on this extension versioning specification from CLI version `2.56.0`. Default value for `--allow-preview` is `True` for user compatibility and will be reset to `False` in future breaking change window.
	`149`	+To distinguish `stable-only` extension installations from `preview-included` installations, the `--allow-preview` flag has been added to `az extension add/update` and `az upgrade`. The `stable/preview` justification follows this versioning specification from CLI version `2.56.0`. The default value for `--allow-preview` is `True` for compatibility and has been reset to `False` as of CLI version `2.67.0`.