MacOS
Software compatibility
Messages 8.0b Archived April 17, 2017, at the Wayback Machine was a beta release that only functioned from February 16 to December 12, 2012.

MacOS

Section Title: Software compatibility
Table Section Text: Messages 8.0b Archived April 17, 2017, at the Wayback Machine was a beta release that only functioned from February 16 to December 12, 2012.

Operating system	Safari	Mail	QuickTime	iTunes	Messages/iChat	iWork

10.14 "Mojave"	12.0	12.0	10.5	12.9	12.0	2018

10.13 "High Sierra"	11.0	10.4	12.8.2	11.0	2017

10.12 "Sierra"	10.0

10.11 "El Capitan"	11.0	9.3	9.2	2016

10.10 "Yosemite"	9.1.3	8.0	2014

10.9 "Mavericks"	7.3	10.3	12.6.2	2013

10.8 "Mountain Lion"	6.1	?	10.2	12.4.3	'09

10.7 "Lion"	10.1	12.2.2	8.0b or 6.0.1

10.6 "Snow Leopard"	5.1.10	4.5	11.4	5.0

10.5 "Leopard"	5.0.6	3.6	7.7	10.6.3	4.0

10.4 "Tiger"	4.1.3	2.1.3	7.6.4	9.2.1	3.0

10.3 "Panther"	1.3.2	1.x	7.5	7.7.1	2.1	'05

10.2 "Jaguar"	1.0.3	6.5.3	6.0.5	2.0	Keynote

10.1 "Puma"	N/A	6.3.1	4.7.1	N/A	N/A

10.0 "Cheetah"	5.0	2.0.4

Sentence(s)

macOS 10.14 Mojave was released in 2018.

final_sentence: macOS 10.14 Mojave was released in 2018.