1) current "Bamboo buildnumber.txt removed"

please add sth along the lines of "buildnumber.txt files are no longer automatically created in the build working directory. User that rely on this functionality should install Build Number Stamper plugin"
with a link to https://marketplace.atlassian.com/plugins/com.atlassian.bamboo.plugins.buildnumberstamper.atlassian-bamboo-plugin-buildnumberstamper

2) "ITEM 2" : please remove (or fill with intended content)