After a version of a software package has remained in unstable for a certain length of time -LRB- depending on the urgency of the software 's changes -RRB- , that package is automatically migrated to the testing distribution .

After a version of a software package has remained in unstable for a certain length of time -LRB- depending on how urgent the changes are -RRB- , that package is automatically moved to the testing distribution .
