The latest Definitive to make an appearance is the Federal Territory Garden Flowers 10 sen. It was sold sometime last week in the Kuala Lumpur General Post Office. The earliest known release was reported in Johor in mid March 2019. I finally got my hands on it. Here is the counter full sheets of 100s:
The stamp continued the use of the micro-text printing.
Here is the transition from Agro Definitive to Garden Flowers Definitive:
Thus the current line-up of the FIRST imprint of the Federal Territory Garden Flowers are 10 sen, 20 sen, 30 sen and 50 sen.
Question: Have you seen any imprint later than 2018/1 of the 10 sen Agro Definitive?