Another 4 volumes have been released in the UK (86, 96, 87, 91), added to the tfwiki page...

VOL 80 - Till All Are One #12 & Annual, 2017 Annual, Requiem of the Wreckers
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VOL 81 - Revolution #0-5 & three Revolution one-shots
VOL 82 - Revolutionaries #1-8
VOL 83 - First Strike #0-6 & two First Strike one-shots
VOL 84 - Optimus Prime #13-17 & 2018 Annual
VOL 85 - Optimus Prime #18-24
VOL 86 - Lost Light #13-18
VOL 87 - Lost Light #19-24
VOL 88 - Unicron #0-6, Optimus Prime #25, Lost Light #25 --------------- (assumed - not yet released)
VOL 89 - 1986 GIJoe & TFs #1-4 & 1990s Marvel GIJoe #138-142 (the lead-in issues to Gen2 comic)
VOL 90 - GEN-2 (1990s Marvel) #0-6 (and UK War Without End)
VOL 91 - GEN-2 (1990s Marvel) #7-12
VOL 92 - 1986 Movie adaptation (both Marvel and IDW versions)
VOL 93 - Beast Wars The Gathering #1-4 & Beast Wars Sourcebook (parts)
VOL 94 - Beast Wars The Ascending #1-4 --------------- (assumed - not yet released)
VOL 95 - Devils Due GIJoe vs TFs #1-6
VOL 96 - Devils Due GIJoe vs TFs 2 #1-4 & GIJoe vs TFs 3 #1-2
VOL 97 - Devils Due GIJoe vs TFs 3 #3-5 & GIJoe vs TFs 4 #1-2 ------------- (assumed - not yet released)
VOL 98 - Transformers #1-6 ---------------- (assumed - not yet released)
VOL 99 - Transformers #7-12 ---------------- (assumed - not yet released)
VOL 100 - Transformers Galaxies #1-6 ------------ (assumed - not yet released)