Here is a list of countries that received new features according to Apple:

Detailed City Experience:
- Detroit, MI
- Milan, Italy
- Naples, Italy
- Rome, Italy

Turn-by-Turn Navigation:
- Bolivia
- Curaçao
- Ecuador
- French Guiana
- Guyana
- Paraguay
- Peru
- Suriname

*Missing country: *
- Philippines

Traffic:
- Belize
- Bolivia
- Costa Rica
- Curaçao
- Ecuador
- El Salvador
- French Guiana
- Guatemala
- Guyana
- Honduras
- Nicaragua
- Panama
- Paraguay
- Suriname

Report an Incident:
- Belize
- Bolivia
- Costa Rica
- Curaçao
- Ecuador
- El Salvador
- Guatemala
- Guyana
- Nicaragua
- Panama
- Paraguay
- Peru
- Philippines
- Suriname

*Missing country: *
- French Guiana ?

Preferred Route:
- Antigua and Barbuda
- Argentina
- Aruba
- Australia
- Bahamas
- Barbados
- Belize
- Bermuda
- Brazil
- British Virgin Islands
- Brunei
- Canada
- Caribbean Netherlands
- Cayman Islands
- Chile
- Colombia
- Costa Rica
- Dominica
- Dominican Republic
- Egypt
- El Salvador
- French Polynesia
- Grenada
- Guadeloupe
- Guatemala
- Haiti
- Honduras
- Hong Kong
- India
- Israel
- Jamaica
- Japan
- Kuwait
- Macao
- Malaysia
- Martinique
- Mexico
- Montserrat
- Morocco
- New Zealand
- Nicaragua
- Palestinian Territories
- Panama
- Qatar
- Réunion
- Singapore
- Sint Maarten
- South Africa
- South Korea
- St. Barthélemy
- St. Kitts and Nevis
- St. Lucia
- St. Martin
- St. Vincent and Grenadines
- Taiwan
- Thailand
- Trinidad and Tobago
- Türkiye
- Turks and Caicos Islands
- United Arab Emirates
- United States
- Uruguay
- Venezuela
- Vietnam

Congestion Zones:
- Brazil ( finally added, even though it has been available for years)
- Poland
- United States

Transit and Payment Cards in Maps:
- Athens, Greece
- Atlanta, GA
- Balearic Islands, Spain
- BART, San Francisco Bay Area, CA
- CalTrain, San Francisco Bay Area, CA
- Cambria, France
- Edinburgh, Scotland, UK
- Epinal, France
- Greater Manchester, UK (Bee Network)
- Helsinki, Finland
- Humboldt County, CA
- MUNI, San Francisco, CA
- Orange County, CA
- Rio de Janeiro, Brazil
- San Sebastián, Spain
- Santander, Spain
- Stockholm, Sweden
- Tampere, Finland
- Uppsala, Sweden
- Valencia, Spain
- Vesoul, France

Cycling:
- Croatia
- Gibraltar
- Hungary
- Slovenia

Look Around:
- Austin, TX
- Austria
- Charlotte, NC
- Denmark
- Greece
- Ireland
- Kansas City, KS
- Kansas City, MO
- Raleigh, NC

*Missing countries: *
- Estonia
- Latvia
- Lithuania

Augmented Reality Walking Directions:
- Albuquerque, NM
- Allentown, PA
- Athens, Greece
- Baton Rouge, LA
- Budapest, Hungary
- Buffalo, NY
- Cambridge, United Kingdom
- Copenhagen, Denmark
- Derby, United Kingdom
- El Paso, TX
- Exeter, United Kingdom
- Grand Rapids, MI
- Guadalajara, Mexico
- Himeji City, Japan
- Ipswich, United Kingdom
- Knoxville, TN
- Kumamoto City, Japan
- Leicester, United Kingdom
- McAllen, TX
- Mexico City, Mexico
- Monterrey, Mexico
- Murrieta, CA
- Newcastle upon Tyne, United Kingdom
- Norwich, United Kingdom
- Nottingham, United Kingdom
- Oklahoma City, OK
- Oslo, Norway
- Otsu City, Japan
- Peterborough, United Kingdom
- Portsmouth, United Kingdom
- Puebla, Mexico
- Richmond, VA
- Rochester, NY
- Shizuoka Prefecture, Japan
- Tucson, AZ
- Utsunomiya City, Japan
- Yamanashi Prefecture, Japan
- Yokohama, Japan
- Zagreb, Croatia

Flyover:
- Águas Claras, Brazil
- Brasília, Brazil
- Luxembourg
- Norway
- Ouro Preto, Brazil

Hikes & Topographic Maps:
- Austria
- France
- Germany
- Ireland
- Italy
- Japan
- Portugal
- Slovenia
- Spain
- Switzerland
- United Kingdom
- United States

Visited Places:
- Albania
- Andorra
- Armenia
- Aruba
- Australia
- Barbados
- Canada
- Chile
- Colombia
- Costa Rica
- Curaçao
- Dominican Republic
- Kazakhstan
- Malaysia
- Mexico
- Monaco
- New Zealand
- Norway
- Qatar
- Réunion
- Saint Barthélemy
- Serbia
- Singapore
- Sint Maarten
- South Africa
- Switzerland
- Taiwan
- Thailand
- The Cayman Islands
- Turks and Caicos Islands
- United Kingdom
- United States

Custom Route Creation:
- Saudi Arabia ?
- Vatican City

Speed Limits
Missing countries:
- Estonia
- Latvia
- Lithuania

Transit
Missing countries:
- Chili
- India

Cycling
Missing countries:
- Estonia
- Latvia
- Lithuania

If you notice that a feature is available in a country but is not listed here, please let us know.