They released phpMyAdmin 18.104.22.168 on September 23, 22.214.171.124 on September 24 and 126.96.36.199 on September 25. What new releases in sequence! Ha-ha!! Here is the ChangeLogs. The 188.8.131.52 has a tons of improvements by RFE(Request for enhancement) or so. The 184.108.40.206 and 220.127.116.11 are bugfix versions.
If you use this version, be sure to check your server software before installing new version. The version 4.5 is compatible with PHP 5.5 to 7.0 and MySQL 5.5. MyAQL 5.5 means or later, I think. My SQL sever is MariaDB10.0 and has no problem.
Upgrade from phpMyAdmin 4.4.x to phpMyAdmin 4.5.x now.
1) Download phpMyAdmin-18.104.22.168-english.zip.
2) On the server, rename the folder phpMyAdmin to phpMyAdmin_old. Extract the Zip archive. Rename the folder phpMyAdmin-22.214.171.124-english to phpMyAdmin. Copy the old config.inc.php to the phpMyAdmin folder.
4) Edit the config.inc.php.
Add the following lines below the line $cfg[‘Servers’][$i][‘central_columns’] = ‘pma__central_columns’;.
$cfg['Servers'][$i]['designer_settings'] = 'pma__designer_settings';
$cfg['Servers'][$i]['export_templates'] = 'pma__export_templates';
5) Access http://YourDomain/phpmyadmin/ as root again. The warnings have gone.