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refactor: Fragment VNode

1

**tl;dr:** This PR is a proof-of-concept for fragment VNode. This speeds up child node diffing by removing the need the compare dynamic children in most cases. This new fragment VNode...

pmdartus

Issue with using LWC base components <lightning-input> with the LWR Single Page Application

15

### Description I've started with a Single Page Application on LWR, Able to run the app with Lightning design system and LWC base component package. When I use `` tag...

nps6211

Icons are not showing up when used with lwr static sites

11

### Description I am getting the below warning on the console. > lightning_primitiveIcon.js:48 failed to dynamically import icon templates for utility: Failed to fetch > dynamically imported module: http://localhost:3000/1/module/esm/0/l/en-US/mi/lightning%2FiconSvgTemplatesUtility%2Fv%2F1_15_4-alpha/latest/lightning_iconSvgTemplatesUtility.js ####...

rahulgawale

## Details This PR increases the strictness of the template compiler syntax by throwing an error instead of a warning when invalid template attributes are detected. There are two scenarios...

jmsjtu

[Pivots] attributeChangedCallback should handle reflected properties

1

### Description (This only applies to pivots (#2724).) Pivots implement their own patch for `attributeChangeCallback` and `observedAttributes`, by overriding `setAttribute`/`removeAttribute`. But this doesn't handle Element properties that reflect to/from attributes,...

nolanlawson

Allow access to Slot elements from the component

4

**Is your feature request related to a problem? Please describe.** Yes, I need to create a component that makes everything that is passed inside of it draggable. //wrapper to show...

AllanOricil

Remove `part` restriction

2

**Is your feature request related to a problem? Please describe.** I'd like to propose removing the restriction of using `part` as a getter/setter, e.g. `@api part` I am able to...

brandonferrua

## Details Currently we are polyfilling standard and non-standard ARIA properties on the global `Element` object (#2733). I would like to make this optional someday, so that we can get...

nolanlawson

Platform compiled modules run in sloppy mode

1

### Description Platform compiled modules run in sloppy mode. Upon further investigation it seems "use strict" is not being added in AMD modules. ### Version - LWC: x.x.x **Possible Solution**...

dgitin

[HMR] CSS: Provide a mechanism to register stylesheets

2

**Is your feature request related to a problem? Please describe.** Adding support for Hot Module Resolution(HMR) requires a registration process to hot swap component constructor, template and stylesheet. Today we...

ravijayaramappa