Surah At-Tawbah 9:48
لَقَدِ ٱبْتَغَوُا۟ ٱلْفِتْنَةَ مِن قَبْلُ وَقَلَّبُوا۟ لَكَ ٱلْأُمُورَ حَتَّىٰ جَآءَ ٱلْحَقُّ وَظَهَرَ أَمْرُ ٱللَّهِ وَهُمْ كَـٰرِهُونَ
They had already desired dissension before and had upset matters for you until the truth came and the ordinance [i.e., victory] of Allāh appeared, while they were averse.
Translation: Saheeh International
Tafsir
Indeed they sought to stir up sedition against you already before when you first came to Medina and scrutinised your affairs that is they thought long and hard how to plot against you and invalidate your religion until the truth the victorious help came and God’s command His religion prevailed stood mighty they still …
Excerpt from Tafsir al-Jalalayn, commentary on 9:48, via Quran.com. The reader has the full commentary and 9 more tafsirs.