# Release 2.12.1

### Bug Fixes and Other Changes

OkHttp 4.x Change Log
=====================

## Version 4.12.0

_2023-10-16_

 *  Fix: Don't hang taking headers for HTTP 103 responses.

 *  Fix: Recover gracefully when a cache entry's certificate is corrupted.

 *  Fix: Fail permanently when there's a failure loading the bundled public suffix database.
    This is the dataset that powers `HttpUrl.topPrivateDomain()`.

* 📝 Add warning about lifecycle events with `AsyncClient`. PR [#4167](https://github.com/tiangolo/fastapi/pull/4167) by [@andrew-chang-dewitt](https://github.com/andrew-chang-dewitt).
* ✏️ Fix typos in `/docs/reference/exceptions.md` and `/en/docs/reference/status.md`. PR [#10809](https://github.com/tiangolo/fastapi/pull/10809) by [@clarencepenz](https://github.com/clarencepenz).

eu-2.evennode.com
eu-3.evennode.com
eu-4.evennode.com
us-1.evennode.com
us-2.evennode.com
us-3.evennode.com
us-4.evennode.com

// eDirect Corp. : https://hosting.url.com.tw/
// Submitted by C.S. chang <******@****.***>
twmail.cc
twmail.net
twmail.org
mymailer.com.tw
url.tw

// Fabrica Technologies, Inc. : https://www.fabrica.dev/
// Submitted by Eric Jiang <******@****.***>

    assertThat(other.port).isNotEqualTo(server.port)
    other.shutdown()
  }

  @Test
  fun shutdownWhileBlockedDispatching() {
    // Enqueue a request that'll cause MockWebServer to hang on QueueDispatcher.dispatch().
    val connection = server.url("/").toUrl().openConnection() as HttpURLConnection
    connection.readTimeout = 500
    try {
      connection.responseCode
      fail<Unit>()

0F39          ; valid                                  # 2.0  TIBETAN MARK TSA -PHRU
0F3A..0F3D    ; valid                  ;      ; NV8    # 2.0  TIBETAN MARK GUG RTAGS GYON..TIBETAN MARK ANG KHANG GYAS
0F3E..0F42    ; valid                                  # 2.0  TIBETAN SIGN YAR TSHES..TIBETAN LETTER GA
0F43          ; mapped                 ; 0F42 0FB7     # 2.0  TIBETAN LETTER GHA

 *  Fix: Don't leak file handles when a cache disk write fails.

 *  Fix: Don't hang when the public suffix database cannot be loaded. We had a bug where a failure
    reading the public suffix database would cause subsequent reads to hang when they should have
    crashed.

 *  Fix: Avoid `InetAddress.getCanonicalHostName()` in MockWebServer. This avoids problems if the

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!!! tip

- [`KT-59082`](https://youtrack.jetbrains.com/issue/KT-59082) WASM: NullPointerException caused by companion with String type constants
- [`KT-58941`](https://youtrack.jetbrains.com/issue/KT-58941) WASM Hang with extension delegate inside a Class
- [`KT-60200`](https://youtrack.jetbrains.com/issue/KT-60200) K/Wasm: generate types without supertypes properly

      fail<Any>()
    } catch (expected: ConnectException) {
    }
  }

  @Test
  fun shutdownWhileBlockedDispatching() {
    // Enqueue a request that'll cause MockWebServer to hang on QueueDispatcher.dispatch().
    val connection = server.url("/").toUrl().openConnection() as HttpURLConnection
    connection.setReadTimeout(500)
    try {
      connection.getResponseCode()
      fail<Any>()