There have uncommitted changes, but show | compare
do not show it.
{master}[edit]
un@HK-MX-RE0# exit
The configuration has been changed but not committed
Exit with uncommitted changes? [yes,no] (yes) no
Exit aborted
{master}[edit]
un@HK-MX-RE0# show | compare
{master}[edit]
un@HK-MX-RE0#
My device is Juniper MX480.