Jake Bailey

Also note that we are also working on support for the API, and that NAPI is off the table for Go because you can't load multiple Go libs into the...

@typescript-bot test it

@typescript-bot pack this

Testing #61547 with [Playground Link](https://www.typescriptlang.org/play/?exactOptionalPropertyTypes=true&ts=5.9.0-pr-61683-9#code/PTAEAEFMA8EMGMAuB5ADoglgewHawDYAKATlqpMYgJ4AqV5AzgFyiLECukAUF9eaDQCMoALygA3l1ChUpVAH4WDNhhwBzADRcAvr3qQBAJlESpMuYtDscAE0gAzVZBugAPqGXFVmnXv4B9EwBtMxBQQBlyAWFYWyNQWGIDeFwGDDtEl08MJHwqUEgAR3YCMwBBBgYKRAAeAFEigmqzaSENIzMAPg6taTCheNiaYwSDHCxEUGScVPTnUHwsLErc-Ib8Moqq6oA5ceqAGUXK+uL8JukWwTahzq6e0D7jDAZQMYnYCow1PAAjfANEFgohtKpQdntyqlvrA-pBzhdWu1pF1uqEwP1nvFPtDYawgTdpJCtpCvr9-vCWoZroJbloALoAbh4fAMRLB-ho+WgiEgthebE4HRMADcsGkmWFALwbgCP9gReeAAazxrC8ajUFA8KiQrH0q1OGGoADpQABlLDsYjwSAsAAWiEQqGYIDUBpt7B+huSAFtgABZbKkBhYeyIYB0cgm+BedDAZ4MTgMYCGADsAAZDAAWADEcc43q9vMQAFoM4ZBABWQwATgAbOXU34DCdGgANNoATSFIjMAApqjQOj2AJSiIWcmA8vmgFugeSgYQsQwjie8mwMXv9wcjkRjrmTtegduz+egRcjucCgwsewESpmJks0CHJaQZtnNuHrtmIItul71cvEE7Z0mYc49kBf4rlOP5-heHBXqAN74JUQ5mNet7cNID66rsNQAEL-lOPyLP8MRfr0YAAAZvpRoA-JA8CwOwlSgAA7jEEyAvEoppKAuHVDEVBCvR3igJRSGVLRWDEGJl6UWYb7VHhbSXkKUEHpezTHhJmEXCwPaKcpiEYWp3IASqnDHpep6vJAwoUKhWGNqAJI4uSNAJOqiBtGaFpWl2oBBL5lqQJBZnQR5xBebBFkITpTJAA), are these errors right? The first one is the reported one, sure, but it's seemingly missing two errors. I think this PR should be encoding...

The example seemingly implies that under `exactOptionalPropertyTypes` that _all_ of those assertions should pass, except that the first one doesn't. But with this PR, the first is eliminated but the...

Hm, I might have some wires crossed in my explanation given there are 2 playgrounds, 2 settings, and 4 assertions (sorry, I need to explain it better), but the gist...

Let me go through the matrix: | Version | `exactOptionalPropertyTypes=false` | `exactOptionalPropertyTypes=true` | |-|-|-| | 5.8.3 |  |  | | This PR |  |  | I...

Nothing; we are in a code freeze until we open the tree for 6.0.

Yes, that's correct.

This PR needs a merge from main to be unblocked.