## In a hurry?

<abbr title="too long; didn't read"><strong>TL;DR:</strong></abbr>

If you are using third party libraries that tell you to call them with `await`, like:

```Python
results = await some_library()
```

Then, declare your *path operation functions* with `async def` like:

```Python hl_lines="2"
@app.get('/')

          documentation, if provided along with the Derivative Works; or,
          within a display generated by the Derivative Works, if and
          wherever such third-party notices normally appear. The contents
          of the NOTICE file are for informational purposes only and
          do not modify the License. You may add Your own attribution

Additionally, it does not require any network rules/routing/config in the host network namespace, which greatly increases ambient mode compatibility with 3rd-party CNIs. In virtually all cases, this "in-pod" ambient CNI is exactly as compatible with 3rd-party CNIs as sidecars are/were.

### Notable Env Vars

/resources/ "Kotlin Build Infrastructure"

# UNKNOWN: /spec-docs/

/scripts/ "Kotlin Build Infrastructure"

/test-instrumenter/ "Kotlin Build Infrastructure"

/tests/ "Kotlin Build Infrastructure"

/third-party/ "Kotlin Compiler Core"

/wasm/ "Kotlin Wasm"

# Generated files (no review required)
*Generated.java "Kotlin" "Kotlin IDE Analysis Core"

# Singular files
/.gitattributes "Kotlin Build Infrastructure"

          documentation, if provided along with the Derivative Works; or,
          within a display generated by the Derivative Works, if and
          wherever such third-party notices normally appear. The contents
          of the NOTICE file are for informational purposes only and
          do not modify the License. You may add Your own attribution

After a week, the token will be expired and the user will not be authorized and will have to sign in again to get a new token. And if the user (or a third party) tried to modify the token to change the expiration, you would be able to discover it, because the signatures would not match.

!!! check "Inspired **FastAPI** to"
    Find a way to have a crazy performance.

    That's why **FastAPI** is based on Starlette, as it is the fastest framework available (tested by third-party benchmarks).

### <a href="https://falconframework.org/" class="external-link" target="_blank">Falcon</a>

 *  Fix: Target Java 8 bytecode for Java and Kotlin.


## Version 4.0.0-RC3

_2019-06-24_

 *  Fix: Retain binary-compatibility in `okhttp3.internal.HttpMethod`. Naughty third party SDKs
    import this and we want to ease upgrades for their users.


## Version 4.0.0-RC2

_2019-06-21_

 *  New: Require Kotlin 1.3.40.

# I tried to make this dependent on what I thought was the appropriate
# lock file, but it caused the rule for that file to get run (which
# seems to be about obtaining a new version of the 3rd party libraries).
$(TARGET_OUT)/istio_is_init: bin/init.sh istio.deps | $(TARGET_OUT)
	@# Add a retry, as occasionally we see transient connection failures to GCS
	@# Like `curl: (56) OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 104`