Gardena Bridge doesn't honor parameters

In the definition of my Gardena Bridge I have some parameters. These parameters are also shown in PaperUI. So it should be correct.

Bridge gardena:account:garten "Gardena Bridge" @ "Garten"
[
	email="xxx@yyy",
	password="zzz",
	refresh=30,
	sessionTimeout=14000		// workaround, should reduce the required logins
]

The Binding is not using these parameters. In the debug-Log refresh and sessionTimeout are still on default values and the refresh cycle is about one minute.
For me it seems to be a bug…
It is version 2.5.0 M3.

14-Sep-2019 21:44:05.112 [DEBUG] [ternal.handler.GardenaAccountHandler] - Initializing Gardena account 'garten'
14-Sep-2019 21:44:05.143 [DEBUG] [ternal.handler.GardenaAccountHandler] - GardenaConfig[email=xxx@yyy,password=***,sessionTimeout=30,connectionTimeout=10,refresh=60]
14-Sep-2019 21:44:06.501 [DEBUG] [org.openhab.binding.gardena         ] - ServiceEvent REGISTERED - {org.eclipse.smarthome.config.discovery.DiscoveryService}={service.id=493, service.bundleid=308, service.scope=singleton} - org.openhab.binding.gardena
14-Sep-2019 21:44:06.545 [DEBUG] [covery.GardenaDeviceDiscoveryService] - Stopping Gardena discovery scan
14-Sep-2019 21:44:06.576 [DEBUG] [covery.GardenaDeviceDiscoveryService] - Starting Gardena discovery scan
14-Sep-2019 21:44:06.609 [DEBUG] [covery.GardenaDeviceDiscoveryService] - Waiting for finishing Gardena device discovery scan
14-Sep-2019 21:44:07.594 [DEBUG] [covery.GardenaDeviceDiscoveryService] - Finished Gardena device discovery scan on gateway 'garten'
14-Sep-2019 21:44:07.643 [DEBUG] [covery.GardenaDeviceDiscoveryService] - Gardena device discovery scan finished
14-Sep-2019 21:44:13.587 [DEBUG] [ng.gardena.internal.GardenaSmartImpl] - Refreshing gardena device data
14-Sep-2019 21:44:36.575 [DEBUG] [covery.GardenaDeviceDiscoveryService] - Stopping Gardena discovery scan
14-Sep-2019 21:45:15.004 [DEBUG] [ng.gardena.internal.GardenaSmartImpl] - Refreshing gardena device data
14-Sep-2019 21:46:15.834 [DEBUG] [ng.gardena.internal.GardenaSmartImpl] - Refreshing gardena device data
14-Sep-2019 21:47:16.975 [DEBUG] [ng.gardena.internal.GardenaSmartImpl] - Refreshing gardena device data
14-Sep-2019 21:48:19.267 [DEBUG] [ng.gardena.internal.GardenaSmartImpl] - Refreshing gardena device data