The visa-waiver program was reportedly approved for India, United Arab Emirates, Bahrain, Saudi Arabia, Qatar, Kuwait, Indonesia, Brunei, Japan, Singapore, Cambodia, Malaysia, Vietnam, Brazil, Peru, Cuba, Mexico, Bolivia, Venezuela, Bosnia and Herzegovina, Serbia, Croatia, Belarus, Lebanon, Uzbekistan, Kyrgyzstan, Tajikistan, Tunisia, Mauritania, Tanzania, Zimbabwe, Mauritius, and Seychelles.
More at https://www.tehrantimes.com/news/492526/In-landmark-decision-Iran-approves-visa-exemptions-for-32-nations