The IDF began operating in Syria when HTS took power in order to preemptively stop a sudden invasion by Syrian jihadists.
Israeli Prime Minister Benjamin Netanyahu said recently that Israel would maintain the buffer zone as long as necessary.
The announcements emerged during a meeting attended by commanders of armed groups that fought to oust Bashar al-Assad from power.
Syrian refugees express rising intent to return as new leadership emerges after Assad's fall.
Syria's new defense minister accused the Syrian Defense Forces of delaying negotiations.
Both countries agreed to fix smuggling and border issues as well as Syrian deposits in Lebanese banks.
Since December, the IDF has been less public about any moves on the attack, mostly keeping a quiet defensive watch over the new buffer zone with Syria.
HTS leader discussed wheat supplies with Ukraine after Russia cut Syria off due to ousting of Assad.
The HTS soldiers were allegedly targeting a former Assad soldier who worked at Sednaya prison.
Senior leader in the Islamist group Hay'at Tahrir al-Sham led military operations in the campaign that ousted the Assad regime.