Breaking Changes

With BM 2026, only WebMap 2025 / 16.9 will be supported. Earlier versions can no longer be used.

After updating to WebMap 2025/16.9, all features in the base module must be re-registered.

Custom CSS needs to be updated—new instructions are available (https://themanual.ch/books/whitepaper-styling-mit-css-r8t/page/fortschrittbalken)