The two countries at last have a maritime border, letting energy firms search for new gas fields in the Eastern Mediterranean, but the agreement has geopolitical repercussions too.
A $35bn gas supply deal between these two neighbours is being held up by political disagreements, some of which relate to their 1979 peace treaty. What next for the Israel-Egypt relationship?
An Islamic State operative infiltrated Syria's security set-up and waited until he was with American soldiers. The assault requires an urgent reassessment of personnel and recruitment in Damascus.
Benjamin Netanyahu has said he will go off what his opposite number in Damascus does, not what he says. In the meantime, Israeli actions make a genuine peace more difficult.
France and Germany are quietly rebuilding troop numbers, fearful that the United States and Türkiye will not fight Russia when push comes to shove. Others may follow.
To the surprise of many, Syria's interim president has neither removed Assad-era staff nor sought revenge on his key lieutenants. It has helped stop Syria from fragmenting.
Sudan's army needs a Russian lifeline to avoid collapse in the ongoing civil war. The price is a naval facility in Port Sudan, giving Moscow access to the Red Sea.
The Gulf states are showing that their security is indivisible and that they will pursue their defence from any that offer it, creating a new 'strategic autonomy' borne of the Trump era.
When states are attacked, authority gravitates towards institutions capable of mobilising resources, enforcing discipline, and coordinating a military response
There are few examples of successful US regime-change operations in history. And without permanent ground troop presence, these wins can easily be reversed.
Cairo and Tehran have been at loggerheads since 1979, but the Iranian threat has always acted as a check on Israeli ambitions. If Iran is completely defeated, Israel will reign supreme.