Today we launched the ArcGIS Field Maps Early Access Program for 2022. Planned for release the week of March 20th, this Q1 update will include foundational support for linear referencing.
We'd love to have you join our beta program and you can find details here:
https://www.esri.com/arcgis-blog/products/field-maps/field-mobility/arcgis-field-maps-early-access-r...