Update changelog/0.55.0.md

Co-authored-by: Ophir LOJKINE <contact@ophir.dev>

Author: alamb

changelog/0.55.0.md

@@ -81,7 +81,7 @@ This release consists of 53 commits from 25 contributors. See credits at the end
 - Extend Visitor trait for Value type [#1725](https://github.com/apache/datafusion-sqlparser-rs/pull/1725) (tomershaniii)
 - Add support for `ORDER BY ALL` [#1724](https://github.com/apache/datafusion-sqlparser-rs/pull/1724) (PokIsemaine)
 - Parse casting to array using double colon operator in Redshift [#1737](https://github.com/apache/datafusion-sqlparser-rs/pull/1737) (yoavcloud)
-- Replace parallel condition/result vectors with single CaseWhen vector in Expr::Case [#1733](https://github.com/apache/datafusion-sqlparser-rs/pull/1733) (lovasoa)
+- Replace parallel condition/result vectors with single CaseWhen vector in Expr::Case. This fixes the iteration order when using the `Visitor` trait. Expressions are now visited in the same order as they appear in the sql source. [#1733](https://github.com/apache/datafusion-sqlparser-rs/pull/1733) (lovasoa)
 - BigQuery: Add support for `BEGIN` [#1718](https://github.com/apache/datafusion-sqlparser-rs/pull/1718) (iffyio)
 - Parse SIGNED INTEGER type in MySQL CAST [#1739](https://github.com/apache/datafusion-sqlparser-rs/pull/1739) (mvzink)
 - Parse MySQL ALTER TABLE ALGORITHM option [#1745](https://github.com/apache/datafusion-sqlparser-rs/pull/1745) (mvzink)