The Saudi-Iran detente sets back Israeli Prime Minister Benjamin Netanyahu's efforts to isolate Tehran, but time will tell whether it also hinders his outreach to Riyadh or planning for any eventual military strike against Iranian nuclear sites.
The more pressing worry for Israel, some experts argue, is that Friday's Chinese-brokered deal between the top Sunni and Shi'ite Muslim powers suggests the United States is giving ground in the region just when the Netanyahu government needs it most.
An Israeli official who requested anonymity described the detente as an unsurprising and preliminary process that should not hinder any parallel progress toward normalisation between Israel and Saudi Arabia. After all, Israel has drawn close to the United Arab Emirates despite Abu Dhabi also engaging Tehran.