* init form

* first demo

* add normal login

* add style

* webit

* support nest errors

* beauti form errors

* use onReset

* modal demo

* add list demo

* match key of errors logic

* date demo

* customize component

* moving style

* add status style

* without form create

* add demos

* add inline style

* clean up legacy

* fix drawer demo

* mention

* fix edit-row

* editable table cell

* update mentions demo

* fix some test case

* fix upload test

* fix lint

* part of doc

* fix ts

* doc update

* rm react 15

* rm config

* enhance test coverage

* clean up

* fix FormItem context pass logic

* add more demo

* en to build

* update demo

* update demo & snapshot

* more doc

* update list doc

* update doc

* update demo to display condition render

* update snapshot

* add provider doc

* support configProvider

* more doc about validateMessages

* more description

* more and more doc

* fix typo

* en doc

* Form.List doc

* m v3 -> v4

* add skip

close #17245

* update bisheng

* support lang panel

* display tabs if multiple lang

* rm tmp file

* init

* first demo

* support empty

* add loading support

* add form sample

* update form sample

* omit value & defaultValue

* add 2 rest demo

* placement support

* update docs

* fix test

* update docs

* add test case

* fix lint

* follow textarea style

* update docs style

without this, value can become negative. this caused following fieldset to float
to the right of the field with validation errors

(cherry picked from commit 43da8a5a835904270a6ccf48859d7bd6d91e04cd)

Change `getFieldError` and `getFieldsError` to return actual types, instead of very restrictive `Object` type (which should be avoided in general, in favour of `unknown`, `object`, or `Record` depending on actual use).

close #16443

* use ul in list

* update snapshot

* update comment

* feat: TreeSelect support `showSearch` in multiple mode (#15933)

* update rc-tree-select

* typo

* update desc & snapshot

* update desc & snapshot

* check default showSearch

* feat: table customizing variable (#15971)

* feat: added table selected row color variable

* fix: @table-selected-row-color default is inherit

* feat: Upload support customize previewFile (#15984)

* support preview file

* use promise

* dealy load

* use canvas of render

* use domHook of test

* update demo

* add snapshot

* update types

* update testcase

* feat: form customizing variables (#15954)

* fix: added styling form input background-color

* feat: added '@form-warning-input-bg' variable

* feat: added '@form-error-input-bg' variable

* use li wrap with comment

* feat: Support append theme less file with less-variable (#16118)

* add override

* add override support

* update doc

* feat: dropdown support set right icon

* docs: update doc of dropdown component

* style: format dropdown-button.md

* test: update updateSnapshot

* style: format dropdown-button.md

* test: update updateSnapshot

* test: update updateSnapshot

* style: change style of dropdown-button demo

* fix: fix document table order

* feat: Support SkeletonAvatarProps.size accept number (#16078) (#16128)

* chore:update style of demo

* feat: Notification functions accept top, bottom and getContainer as arguments

* drawer: add afterVisibleChange

* rm onVisibleChange

* update

* feat: 🇭🇷 hr_HR locale (#16258)

* Added Croatian locale

* fixed lint error

* ✅ Add test cases for hr_HR

* 📝 update i18n documentation

* feat:  add `htmlFor` in Form.Item (#16278)

* add htmlFor in Form.Item

* update doc

* feat: Button support `link` type (#16289)

close #15892

* feat: Add Timeline.Item.position (#16148) (#16193)

* fix: Timeline.pendingDot interface documentation there is a small problem (#16177)

* feat: Add Timeline.Item.position (#16148)

* doc: add version infomation for Timeline.Item.position

* refactor: Update Tree & TreeSelect deps (#16330)

* use CSSMotion

* update snapshot

* feat: Collapse support `expandIconPosition` (#16365)

* update doc

* support expandIconPosition

* update snapshot

* feat: Breadcrumb  support DropDown (#16315)

* breadcrumbs support drop down menu

* update doc

* add require less

* fix test

* fix md doc

* less code

* fix  style warning

* update snap

* add children render test

* feat: TreeNode support checkable

* feat: add optional to support top and left slick dots (#16186) (#16225)

* add optional to support top and left slick dots

* update carousel snapshot

* Update doc, add placement demo

* update carousel placement demo snapshots

* rename dots placement to position

* update vertical as deprecated

* rename dotsPosition to dotPosition

* refine code

* add warning testcase for vertical

* remove unused warning

* update expression

* Additional test case for dotPosition

* refactor: Upgrade `rc-tree-select` to support pure React motion (#16402)

* upgrade `rc-tree-select`

* update snapshot

* 3.17.0 changelog

* fix warning

* fix review warning

* fix normal-login spelling mistake

* fix horizontal-login spelling mistake

* fix index.zh-CN spelling mistake

* fix index.en-US spelling mistake

* update form demo.test.js.snap

Form onFieldsChange(): document third parameter "allFields", remove non-existent fourth parameter "add" from TypeScript definition (#16343)

* there is no fourth parameter, added by mistake in https://github.com/ant-design/ant-design/commit/619b0ed628789ef42dfdb749b8e0933eca2d08ad

* Form onFieldsChange(): document third parameter 'allFields', introduced in https://github.com/ant-design/ant-design/commit/619b0ed628789ef42dfdb749b8e0933eca2d08ad

* add htmlFor in Form.Item

* update doc

* update form typescript define with forawardRef

* add ts test

* use redux-react ts define

* update doc

* follow origin rule

* add override

* add override support

* update doc

* labelAlign should work in Form.Item

* add Form & Form.Item

* rename type

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### 🤔 This is a ...

- [ ] New feature
- [ ] Bug fix
- [ ] Site / document update
- [ ] Component style update
- [ ] TypeScript definition update
- [ ] Refactoring
- [ ] Code style optimization
- [ ] Branch merge
- [x] Other (about what?)

* fix: added styling form input background-color

* feat: added '@form-warning-input-bg' variable

* feat: added '@form-error-input-bg' variable

close #15549

delete unnecessary props

close #15626