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nmaas 1.5.4 is a minor update containing one new feature, asynchronous Helm repository updates.

Automatic Helm Repository Updates in the Background

Until now, the nmaas Platform was executing the helm repo update command via the nmaas-helm component prior to each application instance deployment. This slowed down the deployment process in cases of unresponsive Helm repositories or a large number of repositories that need to be refreshed. The nmaas Platform now exposes two additional configuration properties (configured from Helm chart) controlling this behavior: and The latter accepts a cron-style expression for scheduling when helm repo update should be run in case asyncUpdateEnabled is set to true. A helm repo update is unconditionally run upon each new application version addition and during nmaas-platform startup.