Global parameters were introduced in Revit 2017, but they were clunky. Revit 2018 made them usable. You could now create a formula that drives the length of ten different families using a single global variable (e.g., "Fire_Rating_Width = 36").
Do you need assistance with or installation issues in the 2018 version? autodesk revit 2018
If you are starting a new project today, do not use Revit 2018. The security risks and lack of cloud collaboration are dealbreakers. However, if you are maintaining an existing 2018 project, treat this version with the respect it deserves—it carried the AEC industry through a critical transition, and it still has some life left in it yet. Global parameters were introduced in Revit 2017, but
Dealing with gravity-fed plumbing systems became easier with improved slope controls and analytical tools, helping engineers calculate drops and flow rates with greater precision. System Requirements and Hardware Considerations Do you need assistance with or installation issues
For a smooth experience, 16GB of RAM is generally the minimum recommendation, especially if you are working on large-scale commercial models.
Streamlined tools and navigation helped users access commands more quickly. 2. Structural Engineering Enhancements
Railing placement became much more flexible. Revit 2018 allowed railings to be hosted directly on top of topography, in addition to stairs and ramps. This was a massive upgrade for landscape architects and urban designers modeling site perimeters or outdoor pathways. Structural and MEP Engineering Upgrades