... precision, but it's a very risky environment...
Both Russia and Iran are major powers in the region and could begin to react against Israel once Syria is more stabilized. Iran in particular may welcome a war of attrition with Israel on its terms, near the Golan, close to the Israeli (vs. the Iranian) border.
Russia will seek to stabilize the Assad mafia at all costs, so it will not welcome Israel taking actions that may weaken it.
Bottom line, Israel needs to operate forcefully, precisely, alertly - and carefully.