3 Setting up the CI Gateway for Control4 use.2.11 Linn DS Series V171 25th March 2023 (for C4 OS 3.20 onwards).2.10 Linn DS Series V168 5th Oct 2022 (for C4 OS 3.20 onwards).2.9 Linn DS Series V167 Beta 23rd Dec 2021 (for C4 OS 3.20 onwards).2.8 Linn DS Series V166 Certified & released 14th Oct 2021 (for C4 OS 3.20 onwards).2.7 Linn DS Series V161 Certified & released 29th January 2021 (for C4 OS 3.20 onwards).2.6 Linn DS Series V160 Certified, January 2021 (for C4 OS 3.20 onwards).2.5 Linn DS Series V157 Certified November 2020 (for C4 OS 3.20 onwards).2.4 Linn DS Series V156 October 2020 (for C4 OS 3.20 onwards).2.3 Linn DS Series V154 Certification June 2020.