| ## c-ares version 1.33.0 - August 2 2024 |
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| This is a feature and bugfix release. |
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| Features: |
| * Add DNS cookie support (RFC7873 + RFC9018) to help prevent off-path cache |
| poisoning attacks. [PR #833](https://github.com/c-ares/c-ares/pull/833) |
| * Implement TCP FastOpen (TFO) RFC7413, which will make TCP reconnects 0-RTT |
| on supported systems. [PR #840](https://github.com/c-ares/c-ares/pull/840) |
| |
| Changes: |
| * Reorganize source tree. [PR #822](https://github.com/c-ares/c-ares/pull/822) |
| * Refactoring of connection handling to prevent code duplication. |
| [PR #839](https://github.com/c-ares/c-ares/pull/839) |
| * New dynamic array data structure to prevent simple logic flaws in array |
| handling in various code paths. |
| [PR #841](https://github.com/c-ares/c-ares/pull/841) |
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| Bugfixes: |
| * `ares_destroy()` race condition during shutdown due to missing lock. |
| [PR #831](https://github.com/c-ares/c-ares/pull/831) |
| * Android: Preserve thread name after attaching it to JVM. |
| [PR #838](https://github.com/c-ares/c-ares/pull/838) |
| * Windows UWP (Store) support fix. |
| [PR #845](https://github.com/c-ares/c-ares/pull/845) |
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| Thanks go to these friendly people for their efforts and contributions for this |
| release: |
| |
| * Brad House (@bradh352) |
| * Yauheni Khnykin (@Hsilgos) |
| |
