lwc

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The v1 implementation expects a signal's `subscribe` method to produce an `unsubscribe` function. In the current implementation, we silently fail when the `unsubscribe` is not a function. We should re-evaluate...

jmsjtu

After upgrading the "lightning-base-components": "^1.18.8-ssr", getting error shadowSupportMode static property is not available in this environment.

1

### Description After upgrading the "lightning-base-components" to version "^1.18.8-ssr", getting the error shadowSupportMode static property is not available in this environment. #### Steps to Reproduce After upgrading the "lightning-base-components": "^1.18.8-ssr",...

eedanna-k-svmx

In #3973 we are doing a temporary fix to support a version mismatch between the LWC v6 runtime engine and the v5 compiler format. This is not intended to be...

nolanlawson

Completely remove support for `shadowSupportMode="any"`

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`"any"` has been removed (#3953) in favor of `"native"` (#3768). We should completely remove it after giving users time to remove it.

ekashida

Add a single-file component (SFC) format

2

**Is your feature request related to a problem? Please describe.** I was reading some vue docs and started to think: - why isn't there a .lwc file extension? - why...

AllanOricil

Due to a combination of LWC not supporting true custom elements (#3202) and synthetic shadow, it is possible to call `cloneNode(true)` on the light DOM container (e.g. a ``) of...

nolanlawson

[Post LWC v6] Add friendly error message when ElementInternals is not available due to lower API version

2

To use ElementInternals, you'll need to be on the latest API version. We should have a friendly error message like "You cannot use `static formAssociated` or `attachInternals` because your `apiVersion`...

nolanlawson

Forwarding scoped slot does not map to the correct slot assignment

2

### Description When forwarding a scoped slot to another slot, the slot mapping is incorrect. The scoped slot will always be slotted into the default slot of the component. Here's...

jmsjtu

Preserve comments for Third Party Web Components

1

**Is your feature request related to a problem? Please describe.** I'm having a look to Third Party Web Components in LWC, and tried with @nolanlawson's [emoji picker](https://github.com/nolanlawson/emoji-picker-element). It didn't work...

FabienTaillon

Seeing wrong Dynamic Components error in VS Code

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### Description Seeing "Invalid dynamic components usage, lwc:component and lwc:is can only be used when dynamic components have been enabled." on VS Code, while I have the capability correctly enabled...

albarivas