+- **[REF] extract code to getEmails
+ ([16929](https://github.com/civicrm/civicrm-core/pull/16929))**
+
+- **[REF] Minor simplification - do not use variable variables
+ ([16927](https://github.com/civicrm/civicrm-core/pull/16927))**
+
+- **[REF] Extract code used to render a pseudoconstant when a table is defined.
+ ([16902](https://github.com/civicrm/civicrm-core/pull/16902))**
+
+- **[REF] Move form specific handling back to the relevant form.
+ ([16913](https://github.com/civicrm/civicrm-core/pull/16913))**
+
+- **[REF] APIv4 - Preserve order when expanding select wildcards
+ ([16909](https://github.com/civicrm/civicrm-core/pull/16909))**
+
+- **[REF] Remove & from before variable
+ ([16897](https://github.com/civicrm/civicrm-core/pull/16897))**
+
+- **[REF] Replace \CRM_Utils_Array::value with ??
+ ([16872](https://github.com/civicrm/civicrm-core/pull/16872))**
+
+- **[REF] Civi/Api4 - Refactor out 'use CRM_Utils_Array'
+ ([16873](https://github.com/civicrm/civicrm-core/pull/16873))**
+
+- **[REF] BAO_Contact - Remove CRM_Utils_Array::value and other unnecessary code
+ ([16874](https://github.com/civicrm/civicrm-core/pull/16874))**
+
+- **[REF] APIv4 - Restructure the way get query objects are constucted
+ ([16878](https://github.com/civicrm/civicrm-core/pull/16878))**
+
+- **[REF] Fix PCP getPcpDashboardInfo to be tested & use sensible functions
+ ([16790](https://github.com/civicrm/civicrm-core/pull/16790))**
+
+- **[REF] Simplify obtuse boolean expressions
+ ([16822](https://github.com/civicrm/civicrm-core/pull/16822))**
+
+- **[REF] Replace CRM_Utils_Array::value with ?? in variable assignments
+ ([16820](https://github.com/civicrm/civicrm-core/pull/16820))**
+
+- **[REF] cleanups on array operator
+ ([16821](https://github.com/civicrm/civicrm-core/pull/16821))**
+
+- **[REF] Simplify obtuse boolean expressions
+ ([16819](https://github.com/civicrm/civicrm-core/pull/16819))**
+
+- **[REF] Remove titleHeader var
+ ([16816](https://github.com/civicrm/civicrm-core/pull/16816))**
+
+- **[REF] simplify references to civicrm_acl
+ ([16671](https://github.com/civicrm/civicrm-core/pull/16671))**
+
+- **[REF] Fix retrieving invoice related settings when doing complete
+ transaction ([17218](https://github.com/civicrm/civicrm-core/pull/17218))**