Just published a new update firmware for Nokia 5230. This is the version 40.0.3 The previous version was 21.0.4, which suggests that it will bring many significant improvements.
Still no news on the changelog for this update. For now this update is only available for RM-588.
If you want this update, you can get both via OTA (dial * # 0000 #, then press Options> Check for Software Updates, and then download) . It's about time to be appearing in all countries.