Forest-structure-metrics-mapping.md

@@ -7,6 +7,7 @@ The following files are provided:
 * datasets required to run the source code are also available on the repository.
 
 Change log
+* May 24, 2022: switch to `terra` and `sf` to comply with new version of `lidR` and `lidaRtRee`
 * Dec. 27, 2021: future.apply package used for parallelization
 * Aug 3, 2021: updated to comply with lidaRtRee 3.1.0
 * Jan 2021: updated to comply with lidR 3.1.0 and lidaRtRee 3.0.0