v291_MacOS.md in tbd-3.2.3 vs v291_MacOS.md in tbd-3.3.0

@@ -1,9 +1,7 @@
-_We reiterate that building professionals and energy modellers can download the latest TBD version directly from the Guide itself, or under [releases](https://github.com/rd2/tbd/releases), or via NREL's [BCL](https://bcl.nrel.gov) (search for "bridging" or "rd2")._
+_We reiterate that building professionals and energy modellers can download the latest TBD version directly from the Guide itself, or under [releases](https://github.com/rd2/tbd/releases), or via NREL's [BCL](https://bcl.nrel.gov) (search for "bridging" or "rd2"). Those instead interested in exploring/tweaking the source code (cloned or forked versions of TBD) can follow the Windows or MacOS Ruby setup described in TBD's [README](https://github.com/rd2/tbd#readme)._
 
-_Those instead interested in exploring/tweaking the source code (cloned or forked versions of TBD) can follow the Windows or MacOS Ruby setup described in TBD's [README](https://github.com/rd2/tbd#readme)._
-
-_The MacOS instructions below specifically target (older) Ruby v2.2.5 environments, needed for developing OpenStudio [v2.9.1](https://github.com/NREL/OpenStudio/releases/tag/v2.9.1) measures - the most up-to-date version that remains [compatible](https://github.com/NREL/OpenStudio/wiki/OpenStudio-SDK-Version-Compatibility-Matrix) with [SketchUp Make 2017](https://help.sketchup.com/en/downloading-older-versions). More recent OpenStudio versions (e.g. v3.4.0) can - to a large degree - safely translate older .osm files. Although TBD (and Topolys) are systematically tested against updated OpenStudio versions (v2.9.1 onwards), the following Ruby v2.2.5 setup is no longer tested or maintained. Nonetheless, it may be of some help for the more adventurous of you._
+_The MacOS instructions below specifically target (older) Ruby v2.2.5 environments, needed for developing OpenStudio [v2.9.1](https://github.com/NREL/OpenStudio/releases/tag/v2.9.1) measures - the most up-to-date version that remains [compatible](https://github.com/NREL/OpenStudio/wiki/OpenStudio-SDK-Version-Compatibility-Matrix) with [SketchUp Make 2017](https://help.sketchup.com/en/downloading-older-versions). More recent OpenStudio versions (e.g. v3.6.1) can - to a large degree - safely translate older .osm files. Although TBD (and Topolys) are systematically tested against updated OpenStudio versions (v2.9.1 onwards), the following Ruby v2.2.5 setup is no longer tested or maintained. Nonetheless, it may be of some help for the more adventurous of you._
 
 
 ## v2.9.1 MacOS Instructions
 _tested Catalina 10.15.4 up to Big Sur 11.4_