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The getDataflowJobs @wire adapter does not filter correctly on datasetId

4

### Description The getDataflowJobs wire adapter (https://developer.salesforce.com/docs/component-library/documentation/en/lwc/lwc.reference_wire_adapters_get_dataflow_jobs) should be able to filter for all dataflow jobs given a specific dataflowId param, as defined in the doc linked. However, this wire...

mamber98

The original adoptedStylesheet proposal used a frozen array. [A follow-up proposal made the array mutable.](https://chromestatus.com/feature/5638996492288000) Chromium 99+ and Firefox 101+ support mutable arrays. We check if the array is mutable,...

nolanlawson

Use native connectedCallback/disconnectedCallback lifecycle hooks

3

Currently LWC does not use the native custom element lifecycle hooks. Instead, we do global DOM patching: https://github.com/salesforce/lwc/blob/3cb07f92c7b97c348db799665fda3efe9408678a/packages/%40lwc/engine-dom/src/apis/create-element.ts#L40-L62 To better align with native browser behavior and to avoid global patching,...

nolanlawson

Incorrect callback invocation order when swapping component with lwc:dynamic

7

### Description When swapping a component dynamically, the new component is created and connected before the old one is disconnected. The old component should be disconnected from the tree before...

pmdartus

[Pivots] Support "extends" key in customElements.define()

1

### Description With custom element registry pivots (#2564), using the `extends` key is not supported: ```js customElements.define('my-button', Button, { extends: 'button' }); ``` The above code will throw an error:...

nolanlawson

Components do not respect observedAttributes/attributeChangedCallback

1

### Description LWC components do not respect [`observedAttributes` or `attributeChangedCallback`](https://developer.mozilla.org/en-US/docs/Web/Web_Components/Using_custom_elements#using_the_lifecycle_callbacks). `attributeChangedCallback` is never called. Create an LWC component: ```js import { LightningElement, api } from 'lwc' export default class extends...

nolanlawson

Add onfocus, onblur, etc. support to <lightning-input-field>

5

**Is your feature request related to a problem? Please describe.** The component doesn't currently support onfocus, onblur, etc. events. **Describe the solution you'd like** See title **Describe alternatives you've considered**...

TomSesselmann

Hydration mismatch warnings are different for static vs non-static nodes

1

## Description For the `style` and `class` attributes, hydration mismatch warnings are different if the nodes are static-optimized vs unoptimized. This difference only arises if the classes/attributes are the same,...

nolanlawson

Improve test coverage for vdom diffing after static vnode optimization

3

As noted in https://github.com/salesforce/lwc/pull/2781#discussion_r851122249, our test coverage will decrease due to the static vnode optimization. Ideally we should add new tests to cover those vdom diffing cases that are no...

nolanlawson

**Is your feature request related to a problem? Please describe.** I wanted to make a very simple form with a required file input and a required text input. After the...

poypoyan