style=form can replace both csv and multi
Thanks to for noting this.
MODIFY
versions/3.0.md
versions/3.0.md
@@ -965,7 +965,7 @@ In order to support common ways of serializing simple parameters, a set of `styl
----------- | ------ | -------- | --------
matrix | `primitive`, `array`, `object` | `path` | Path-style parameters defined by [RFC6570](https://tools.ietf.org/html/rfc6570#section-3.2.7)
label | `primitive`, `array`, `object` | `path` | Label style parameters defined by [RFC6570](https://tools.ietf.org/html/rfc6570#section-3.2.5)
-form | `primitive`, `array`, `object` | `query`, `cookie` | Form style parameters defined by [RFC6570](https://tools.ietf.org/html/rfc6570#section-3.2.8). This option replaces `collectionFormat` with a `multi` value from OpenAPI 2.0.
+form | `primitive`, `array`, `object` | `query`, `cookie` | Form style parameters defined by [RFC6570](https://tools.ietf.org/html/rfc6570#section-3.2.8). This option replaces `collectionFormat` with a `csv` (when `explode` is false) or `multi` (when `explode` is true) value from OpenAPI 2.0.
simple | `array` | `path`, `header` | Simple style parameters defined by [RFC6570](https://tools.ietf.org/html/rfc6570#section-3.2.2). This option replaces `collectionFormat` with a `csv` value from OpenAPI 2.0.
spaceDelimited | `array` | `query` | Space separated array values. This option replaces `collectionFormat` equal to `ssv` from OpenAPI 2.0.
pipeDelimited | `array` | `query` | Pipe separated array values. This option replaces `collectionFormat` equal to `pipes` from OpenAPI 2.0.

style=form can replace both csv and multi

Thanks to @webron for noting this.