=> 4070-1.0.12

- Account for "trim_trailing_white_space_on_save" being a string (#1304) (Raoul Wols)
- Iterate over sessions in the listener via the session buffers (Raoul Wols)
- Fix: manually invoking signature help should not check the triggers (Raoul Wols)
- Fix color box phantoms background (Janos Wortmann)
- Add documentation for "feature_selector" (Rafał Chłodnicki)
- MarkedString rendering fixes (Rafał Chłodnicki)
