Continuous Reporting: Universal + GA4 / Piwik PRO, etc.
After the sunset of Universal Analytics, you will have two web analytics datasets: Historical (UA) and current which is likely GA4 or another solution such as Piwik PRO etc.
This will introduce the need in some visualizations to show a continuous graph which spans from an earlier date (historical) and follows into the current date range for which we have data in another data source. Something similar to this:
In today's tip, I'm gonna show you how to use Data Blending in Looker Studio to create such a chart: