---
name: Bug report
about: Reporting bugs for rxjs core behavior

---

<!--

PLEASE READ BEFORE FILING AN ISSUE

Rxjs uses github issues (https://github.com/ReactiveX/rxjs/issues) as core team's issue backlog only.
For community contributions please use discussions (https://github.com/ReactiveX/rxjs/discussions) instead.

If you believe there is a bug in rxjs core need to be fixed, please fill out all template for repro, otherwise
core team may move issues into discussions. Also, all other non-bug report may closed without followup.

Thanks!
 -->

## Bug Report

**Current Behavior**
A clear and concise description of the behavior.

**Expected behavior**
A clear and concise description of what you expected to happen (or code).

**Reproduction**

** Please provide repro code does not involves framework, or other setups to address this bug is specific to rxjs core **

- REPL or Repo link:
(you can use https://stackblitz.com/ to create one to attach here)

```js
var your => (code) => here;
```


**Environment**
- Runtime: [e.g. Node v${x}, Chrome v${x}]
- RxJS version:
- (If bug is related) Loader, build configuration: [e.g webpack, angular-cli version, config]

**Possible Solution**
<!--- Only if you have suggestions on a fix for the bug -->

**Additional context/Screenshots**
Add any other context about the problem here. If applicable, add screenshots to help explain.
