...
You can select files and click on Commit and Add to Package to commit and add the selected files to either existing package or you can even create a new Project Package in FlexDeploy.
Package XML Path property
PACKAGE_XML_PATH is project property used to define package.xml path in either SCM or other absolute path.
Summary of changes
It shows summary of Total, New, Modified and Deleted changes and provided link to shows particular changes.