docs: clarify default/required filters only target visible dimensions#537
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IrakliJani merged 1 commit intomainfrom Apr 10, 2026
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IrakliJani
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closes: #21924 closes: [PROD-6920](https://linear.app/lightdash/issue/PROD-6920/default-filters-on-hidden-dimensions-show-unknown-id-in-ui-but-still) docs: lightdash/mintlify-docs#537 Description: This PR adds validation to prevent hidden dimensions from being used in required/default filters. The explore compiler now throws a `CompileError` when hidden dimensions are referenced in `default_filters` or `required_filters`, suggesting the use of visible additional dimensions instead.
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This pull request adds documentation clarifying that
default_filtersandrequired_filterscan only target dimensions, not metrics or hidden dimensions. The changes specify that these filters must target visible dimensions (includingadditional_dimensions) and that hidden dimensions withhidden: trueare invalid targets that will cause compilation to fail.