Puhti web interface R16 (#1713)

* Add changes for Puhti web interface R16 * RStudio r-env/4.3.0 available. * Blender 3.6.0 available. * Add note about web interface session length

Author: robinkar

docs/support/wn/comp-new.md

@@ -1,5 +1,11 @@
 # Computing environment
 
+## Puhti web interface updated to release 16, 4.7.2023
+
+* RStudio now has r-env 4.3.0 available.
+* Blender updated to 3.6.0 with added support for add-on installation.
+* Web interface session lifetime has been increased to 12h from the previous 8h.
+
 ## Mahti web interface available, 13.6.2023
 
 The [web interface](../../../computing/webinterface/), previously available for