The So Be Steadfast Operations Room (Arabic: فاثبتوا, romanized: Fathbito)[4] (also commonly translated as Be Steadfast[2] and Holdout)[5] is a coalition of Salafist jihadist insurgent groups in Idlib Governorate, Syria during the Syrian civil war.

[6] Hay'at Tahrir al-Sham (HTS) arrested Abu Salah al-Uzbeki, the founder of Katibat al-Tawhid wal-Jihad, who had defected from HTS and joined Ansar al-Din, on 17 June 2020, while Abu al-Malik al-Talli, another defector from HTS, was arrested on 22 June.

So Be Steadfast called for their release and fighting broke out that same day.

[7] Infighting between the two factions spread to various towns, including "‘Arab Sa’id, al-Hamamah, al-Ya’qubiyah, Jdaydah, Armanaz, Kuku, and Shaykh Bahar.

[4] An agreement was signed following the fighting in which Hurras al-Din could not establish checkpoints and needed permission from the Al-Fatah al-Mubin operations room before launching attacks.