A separate EP entitled 30 Year Itch Bonus Tracks was released free to people who pre-ordered the album.

In promotion of the band's ninth studio album Renaissance Men, the Wildhearts embarked on a short UK tour starting on the day of its release, 3 May 2019.

[3] Ahead of the second part of the tour, the Wildhearts released the EP Diagnosis as a follow-up to Renaissance Men.

Writing for Classic Rock magazine, Essi Berelian described the album as "loud, atmospheric and buzzing with furious energy", and claimed that "the joyful racket of these 17 tracks is something to behold".

dubbed 30 Year Itch "a must play", with the author claiming that "you won't be disappointed, but it may leave you hankering to be in that crowd".