Surah At-Tawbah 9:117

لَّقَد تَّابَ ٱللَّهُ عَلَى ٱلنَّبِىِّ وَٱلْمُهَـٰجِرِينَ وَٱلْأَنصَارِ ٱلَّذِينَ ٱتَّبَعُوهُ فِى سَاعَةِ ٱلْعُسْرَةِ مِنۢ بَعْدِ مَا كَادَ يَزِيغُ قُلُوبُ فَرِيقٍ مِّنْهُمْ ثُمَّ تَابَ عَلَيْهِمْ ۚ إِنَّهُۥ بِهِمْ رَءُوفٌ رَّحِيمٌ

Allāh has already forgiven the Prophet and the Muhājireen and the Anṣār who followed him in the hour of difficulty after the hearts of a party of them had almost inclined [to doubt], and then He forgave them. Indeed, He was to them Kind and Merciful.

Translation: Saheeh International

Tafsir

God has truly relented that is He has truly perpetuated His relenting to the Prophet and the Emigrants and the Helpers who followed him in the hour of hardship that is during the time of this hardship which was their predicament during the raid at Tabūk where two men would share a single date ten men would take turns …

Excerpt from Tafsir al-Jalalayn, commentary on 9:117, via Quran.com. The reader has the full commentary and 9 more tafsirs.