﴿ قُل لِّلَّذِينَ ءَامَنُوا۟ يَغْفِرُوا۟ لِلَّذِينَ لَا يَرْجُونَ أَيَّامَ ٱللَّهِ لِيَجْزِىَ قَوْمًۢا بِمَا كَانُوا۟ يَكْسِبُونَ ﴾

“Tell all who have attained to faith that they should forgive those who do not believe in the com­ing of the Days of God, [since it is] for Him [alone] to requite people for whatever they may have earned.”

(Tell) O Muhammad (those who believe) 'Umar and his fellow believers (to forgive those who hope not for) those who fear not (the days of Allah) the torment of Allah, the reference here is to the people of Mecca; (in order that He may requite folk) i.e. 'Umar and his fellow believers (what they used to earn) what they used to do of good deeds. This forgiveness relates to the period before the migration to Medina. They were later commanded to fight the disbelievers.