- On compatible systems, a mounter's Unmount implementation is changed to not return an error when the specified target can be detected as not a mount point. On Linux, the behavior of detecting a mount point depends on `umount` command is validated when the mounter is created....

    * Updated database docs [SQL (Relational) Databases: Main **FastAPI** app](https://fastapi.tiangolo.com/tutorial/sql-databases/#main-fastapi-app).
    * PR [#595](https://github.com/tiangolo/fastapi/pull/595).
* Fix `sitemap.xml` in website. PR [#598](https://github.com/tiangolo/fastapi/pull/598) by [@samuelcolvin](https://github.com/samuelcolvin).

## 0.41.0

* Upgrade required Starlette to `0.12.9`, the new range is `>=0.12.9,<=0.12.9`.

horizontal forms, use the predefined grid classes.\n\n.form-group {\n  margin-bottom: $form-group-margin-bottom;\n}\n\n.form-text {\n  display: block;\n  margin-top: $form-text-margin-top;\n}\n\n\n// Form grid\n//\n// Special replacement for our grid system's `.row` for tighter form layouts.\n\n.form-row {\n  display: flex;\n  flex-wrap: wrap;\n  margin-right: -$form-grid-gutter-width * .5;\n  margin-left: -$form-grid-gutter-width * .5;\n\n  > .col,\n  > [class*=\"col-\"] {\n    padding-right: $form-grid-gutter-width...

horizontal forms, use the predefined grid classes.\n\n.form-group {\n  margin-bottom: $form-group-margin-bottom;\n}\n\n.form-text {\n  display: block;\n  margin-top: $form-text-margin-top;\n}\n\n\n// Form grid\n//\n// Special replacement for our grid system's `.row` for tighter form layouts.\n\n.form-row {\n  display: flex;\n  flex-wrap: wrap;\n  margin-right: -$form-grid-gutter-width * .5;\n  margin-left: -$form-grid-gutter-width * .5;\n\n  > .col,\n  > [class*=\"col-\"] {\n    padding-right: $form-grid-gutter-width...