Not much change from March 2016.
Panama modified its coat of Arms to have 10 stars ( instead of 9 earlier) but higher coins than 1 Balboa did not come through.
Liberia and Somalia failed to come out with circulation coins.
Liberia continued to fight administrative scam of missing currency notes hence coins got a back seat.
Interesting issue was Libya Dinar coin, legal tender in Eastern part only which considers itself to be main Libya as a result of civil war. Otherwise coins vanished from circulation, having been last issued in 2014.
Quite a few countries, having issued coins, saw them vanish from circulation. Notable of them is South Sudan and Syria.
Swaziland issued 20 cents with new name "eSwatini" ( reminds me of iPhone).
Timor issued a 200 Centavos which again is a sub unit or a unit. Suriname also issues a 100 cent and 250 cent coin, without talking of Dollar as a unit. Only country which had that practice and has given up is Saudi Arabia, which used to issue 100 Halala coin. Now it has 1 Riyal and 2 Riyals coins.
Zimbabwe issued a 2 Dollar bond coin in November 2019 but appears to be back on track of hyperinflation.
Another country gone coinless is Iceland which has been planning a new series since 2014.
None of old well known coinless countries like Myanmar, Cambodia, Laos, Mongolia, Vietnam, Afghanistan etc have made any attempt to issue coins.
Ghana issued a 2 Cedi coin despite being part of new West African Economic community, original members of which renamed their CFA as Eco but no news about any remonetisation. The highest coin is 500 CFA. It would have been right time to get 1 Eco = 100 CFA but then political discord continues to hamper that community.