Issue number: resolves#28774
---------
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## What is the current behavior?
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There are two issues causing Ionic Vue apps to not behave as intended
with certain versions of Vue:
1. In Vue 3.3 a [breaking change
shipped](https://github.com/vuejs/core/issues/9916) that changes the
default behavior of the `watch` inside of IonRouterOutlet to be a
shallow watcher instead of a deep watcher. This caused the router outlet
to not consistent re-render. While the change was later reverted by the
Vue team, they expressed that the change [may re-land in a future minor
release](https://github.com/vuejs/core/issues/9965#issuecomment-1875067499).
As a result, we will need to account for this inside of Ionic.
2. In Vue 3.2 a [custom elements improvement
shipped](https://github.com/vuejs/core/blob/main/changelogs/CHANGELOG-3.2.md#3238-2022-08-30)
that changed how custom elements are referred to in VNodes.
## What is the new behavior?
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this PR. -->
- The affected `watch` call now is now explicitly a deep watcher. This
change is backwards compatible as well as forward compatible with
upcoming Vue changes.
- Updated IonTabs to account for the new VNode behavior for custom
elements. Ionic still supports version of Vue that do not have this
improvement, so we need to account for both behaviors for now. I also
added a tech debt ticket to remove the old checks when we drop support
for older versions of Vue.
- Updated E2E test dependencies. During this update some of our tests
needed to be updated to account for newer versions of Vue/Vitest.
Overall I was able to simplify a lot of our tests as a result.
I plan to add renovatebot to these E2E test apps, but I will handle that
in a separate PR.
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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1. Describe the impact and migration path for existing applications
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4. Update the BREAKING.md file with the breaking change.
5. Add "BREAKING CHANGE: [...]" to the commit description when merging.
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## Other information
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screenshots of how the component looks before and after the change. -->
Dev build: `7.6.6-dev.11705526292.1bc0acb5`
Note: Both of the issues cause tests to fail when using the latest
dependencies in the Vue E2E test app. However, I need to use the latest
dependencies so I can demonstrate that my changes do fix the reported
issues. As a result, I have both fixes in the same PR.
Issue number: resolves#28827
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## What is the current behavior?
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This import was renamed to `IonBackButton` as part of
9f20780d66.
However, we did not consider that some developers are importing this to
use with `ViewChild`. While we should keep alignment with other
component imports, we need to support the old import until we can make a
breaking change in Ionic 8.
## What is the new behavior?
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this PR. -->
- Adds the old IonBackButtonDelegate import
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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1. Describe the impact and migration path for existing applications
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2. Update the BREAKING.md file with the breaking change.
3. Add "BREAKING CHANGE: [...]" to the commit description when merging.
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## Other information
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Dev build: `7.6.5-dev.11705352188.1c6cdb08`
Issue number: resolves#28716
---------
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## What is the current behavior?
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All components that have per-mode stylesheets can have their mode
adjusted by setting `mode` on the component. We use the `setMode`
function to determine which mode to use on the component:
516b84475e/core/src/global/ionic-global.ts (L75)
While this works on refresher, it is missing the `virtualProp` jsdoc
comment which causes it to not have the appropriate type information. As
a result, when developers try to use a JS binding for `mode`, they will
get compilation errors.
## What is the new behavior?
<!-- Please describe the behavior or changes that are being added by
this PR. -->
- Adds virtualProp for mode to refresher
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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1. Describe the impact and migration path for existing applications
below.
2. Update the BREAKING.md file with the breaking change.
3. Add "BREAKING CHANGE: [...]" to the commit description when merging.
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## Other information
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I am considering this a bug fix instead of a feature. In non-TypeScript
environments you can set `mode` on `ion-refresher` and it does change
the mode. What's missing here is the type information associated with
it.
Dev build: `7.6.2-dev.11702914017.1ae72da5`
Issue number: N/A
---------
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## What is the current behavior?
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Ionic React projects using `@types/react@18.2.43` or greater will run
into a type-check error on build with `IonRouterOutlet` and potentially
other components:
```
Property 'placeholder' is missing in type '{ children: Element[]; }' but required in type 'Pick<IonRouterOutlet & { basePath?: string | undefined; ref?: Ref<any> | undefined; ionPage?: boolean | undefined; } & IonicReactProps & Omit<...>, "color" | ... 254 more ... | "ionPage">'.
```
Definitely typed decided to make a breaking type change in a patch
release:
b954269038
## What is the new behavior?
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this PR. -->
- Patches the type to allow for compatibility between React v16, 17 and
18.
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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and migration path for existing applications below. -->
## Other information
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screenshots of how the component looks before and after the change. -->
### Testing
1. Create a new Ionic react project with the "list" template.
2. Run `npm run build`
3. Observe: Exception posted above
4. Install the dev-build
5. Run `npm run build`
6. Observe: No exception, build passes
7. You can additionally serve the app to verify no runtime
exceptions/broken behavior.
Dev-build: `7.6.1-dev.11702322681.17e39348`
Issue number: resolves#24260
---------
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## What is the current behavior?
When replacing a route (`router.push(newRoute, 'none', 'replace')`) the
`RouterDirection` from the route being replaced is being used (if it
exists) instead of the new one the user specifies.
## What is the new behavior?
User-specified `RouteDirection` is used, if it exists. If it doesn't it
falls back to the `RouteDirection` of the route being replaced.
## Does this introduce a breaking change?
- [ ] Yes
- [X] No
<!-- If this introduces a breaking change, please describe the impact
and migration path for existing applications below. -->
## Other information
Please see the following comment for why I think the current behavior is
incorrect, and why this change is needed:
https://github.com/ionic-team/ionic-framework/issues/24260#issuecomment-1078960780
---------
Co-authored-by: Liam DeBeasi <liamdebeasi@users.noreply.github.com>
