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Cannot read property 'bindingStartIndex' of null when using Library

21

# 🐞 bug report ### Affected Package Not sure. Maybe this is somewhere in @angular/cli or somewhere related to Webpack. ### Is this a regression? Yes, the previous version in...

davidbilge

Bug (?) - ReactiveForms > FormArray, trackBy index > removeAt & subscriptions

17

Hi Angular, I think i found a [x] bug, but I'm not sure. I have a large Reactive Form, with a FormArray.. and I trackBy index. Each FormGroup in the...

robvaneck

Pipes with generic type parameters don't typecheck

1

### Which @angular/* package(s) are the source of the bug? language-service ### Is this a regression? No ### Description Lets say we have a pipe that returns a `number`: ```ts...

ArielGueta

Ability to set a custom message while working with `Validators`

7

### Which @angular/* package(s) are relevant/related to the feature request? forms ### Description It is really intimating and obvious that in most cases we need to show custom messages to...

kasir-barati

Matrix array param is not retrievable by ParamMap#getAll function.

13

## I'm submitting a... [ ] Regression (a behavior that used to work and stopped working in a new release) [x] Bug report [ ] Feature request [ ] Documentation...

zoltan-gal

Accessibility Extended Diagnostics: Ensure that aria-* attributes are valid on the element based on its aria role

1

### Which @angular/* package(s) are relevant/related to the feature request? Extended Diagnostics ### Description WCAG maps the valid ARIA attributes based on a given aria role. We can ensure that...

twerske

Supporting [formArray] without a [formGroup] parent

56

# 🚀 feature request ### Relevant Package This feature request is for @angular/forms ### Description There should be a [formArray] directive to create a form. Currently, we can defined formArrayName...

WreckItRalph

Unit testing: directives on ng-template present but not detectable with By.directive

2

### Which @angular/* package(s) are the source of the bug? core ### Is this a regression? No ### Description Directives added to `ng-template` (as describe in [Angular's guide to dynamic...

jzabinski-dolios

Depricate renderer2, and and explainer on docs

4

### Description As `Renderer2` is mostly tied to Viewengine, it should be marked as deprecated. Also, there should be a note in the docs explaining why renderer2 is no longer...

SanderElias

Add an async variant of null validator

2

### Which @angular/* package(s) are relevant/related to the feature request? forms ### Description Angular has the null validator (`Validators.nullValidator`) but doesn't have an async variant for async validators. The null...

framasev