I have noticed that the FR bogie van (mail) can be upgraded to FR 7-compartment tricomposite (passenger) continuosly braked van. However it should be upgradeable to continuosly braked mail van. Here is a fix:
diff --git a/narrowgauge/fr-bogie-van.dat b/narrowgauge/fr-bogie-van.dat
index f8ad8b092..7ff5939cc 100644
--- a/narrowgauge/fr-bogie-van.dat
+++ b/narrowgauge/fr-bogie-van.dat
@@ -21,7 +21,7 @@ cost=370000
runningcost=0
fixed_cost=4954
-upgrade[0]=FR-bogie-fitted
+upgrade[0]=FR-bogie-van-fitted
can_lead_from_rear=0
bidirectional=1
Thank you for the report: now fixed.
Thank you, fix confirmed