There ˹should be˺ no fasting after the middle of ˹the month of˺ Shaʿbān until the entrance of ˹the month of˺ Ramaḍān.
السيوطي ٢٥٥٩٤a:
"لَا صِيَامَ بَعْدَ النِّصْفِ مِنْ شَعْبَانَ حَتَّى يَدْخُلَ رَمَضَانُ".
.