Issue #2600316 by torotil: Partially backport webform_get_submissions() refactoring
Issue #2712611 by grahamC: Fixed re-parented components deleted with old parent.
Issue #2688621 by joelstein: Added hide additional extensions field on file component if no access via form_alter.
Issue #2614384 by ben.bunk: Added let Drupal determine enctype of a form.
Issue #2661718 by Nicolaj, DanChadwick: Fixed no server side validation of required grid components.
Issue #2690815 by guilopes: Fixed integrity constraint violation when trying to save conditionals via features.
Issue #2673050 by FeyP: Fixed refresh entitycache after changing email status on email overview page.
Issue #2733427 by anrikun: Fixed PHP warning: min(): Array must contain at least one element in webform_expand_grid.
Issue #2786933 by grahamC: Fixed conditionals lost during update from 3.x.
Issue #2788981 by Liam Morland: Fixed documentation for _webform_submission_serial_next_value_used.
Issue #2627874 by Rade, DanChadwick: Fixed space used as thousands separator produces validation error.
Issue #2768023 by kanei, DanChadwick: Fixed allow #element_validate and select options_callback to be a php callables rather than function names.
Issue #2612844 by tom_ek, DanChadwick: Fixed non-required partial dates fail validation with no value entered.
Issue #2788591: Added warning about opening CSV files with spreadsheets.
Issue #2784455 by Roshni Patel, 3rik5: Fixed description displays between field prefix and input for number/text components when above.
Issue #2644830 by DanChadwick: Standardize name of field's form key to "Form key".
Issue #2784329 by DanChadwick: Fixed defining conditionals with multiple actions.
Issue #2752611 by benjy: Fixed webform_results_download_rows() should take $last_sid by reference.
Issue #2601546 by BR0kEN: Added improvement to e-mail "exclude_empty" processing.
Issue #2653664 by jacob.embree: Fixed implement hook_update_dependencies().
Issue #2612428 by joshi.rohit100: Fixed benign duplicated weight property in select options_source.
Issue #2620216 by Liam Morland: Fixed _webform_render_component(), use #theme_wrappers.
Issue #2677818 by nicrodgers: Fixed typo in phpdoc for webform_count_terminals().
Issue #2677798 by nicrodgers: Fixed documentation in phpdoc for webform_input_vars_check().
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