The most common and most likely answer to this crossword clue is the 4 plus 3 plus 3 plus 5 letter word LAST BUT NOT LEAST
L
A
S
T
B
U
T
N
O
T
L
E
A
S
T
More clues leading to the result LAST BUT NOT LEAST
- Finally, and yet significantly, there’s a lack of energy!
- Finally, encouragingly, late on in crisis recession essentially bottoms out
- In at number 11 –- no rabbit though — bats with talent — us lot faltering
- Surprisingly notable status in lieutenant ranked highly, though defeated?
- Just as important, like the anchor leg runner in a relay team?
- Finallyalto blasts tune improvised around tango
- Given equal billing, finalist wins over another taking drugs
- Finally devises stunts to beat all
- Of all the single digit numbers, this is 9
- Aunts and tots ballet dancing is of lowest priority? On the contrary
Buddy explains!

The straight part
We know that "Despite late announcement, just as important as the one in 2021" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case despite late announcement, just as important as the one in 2021 = last but not least.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.