GSheet v2.1 acknowledges Google Apps Script’s hard quotas (e.g., 6-minute execution time, 20,000 getValue() calls per day). The standard mandates:

Developers often refer to the maturity of Google Sheets API client libraries as "v2.1." This marks a significant improvement over legacy APIs, offering better handling of cell formatting, batch updates, and pivot tables.

: Avoid moving cells or inserting extra rows/columns, as this frequently breaks the complex web of calculations.