Due to the new Covid 19 strain from UK and South Africa, the border restriction at Singapore is tighter. You now have to undertake 14 days of stay home notice (SHN) at dedicated government facilities plus an additional 7 days of SHN at your place of residence. This is going to affect salary workers as it will wipe out all your leave.

https://www.straitstimes.com/singapore/health/all-travellers-need-to-take-pcr-test-upon-arrival-in-singapore?utm_campaign=stfb&utm_medium=social&utm_source=facebook&fbclid=IwAR13fZarK9CI0SzzEWUAV0IiQ4YN3QWhnVJr8pp6KlMEav662ZLR_SBKn5s