Mark release date

panesofglass · panesofglass · commit 085056b0567f · 2021-02-24T20:52:59.000-06:00
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
@@ -1,4 +1,4 @@
-### New in 5.0.0 - (Released TBD)
+### New in 5.0.0 - (Released 2021/2/24)
 * Update [System.Reactive to 5.0](https://github.com/dotnet/reactive/releases/tag/rxnet-v5.0.0)
 * Support for .Net Framework 4.6 has been removed, as it is no longer support by Rx 5.0
 * Exceptions rethrown inside Rx now are guaranteed to preserve the original stack trace by using ExceptionDispatchInfo consistently across the board. 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-### New in 5.0.0 - (Released TBD)`
	`1`	`+### New in 5.0.0 - (Released 2021/2/24)`
`2`	`2`	`* Update [System.Reactive to 5.0](https://github.com/dotnet/reactive/releases/tag/rxnet-v5.0.0)`
`3`	`3`	`* Support for .Net Framework 4.6 has been removed, as it is no longer support by Rx 5.0`
`4`	`4`	`* Exceptions rethrown inside Rx now are guaranteed to preserve the original stack trace by using ExceptionDispatchInfo consistently across the board.`