doneCh := make(chan error, 1)
	defer xioutil.SafeClose(doneCh)

	// Save rebalance.bin periodically.
	go func() {
		// Update rebalance.bin periodically once every 5-10s, chosen randomly
		// to avoid multiple pool leaders herding to update around the same
		// time.
		r := rand.New(rand.NewSource(time.Now().UnixNano()))
		randSleepFor := func() time.Duration {

* 🌐 Add Persian translation for `docs/fa/docs/index.md` and tweak right-to-left CSS. PR [#2395](https://github.com/tiangolo/fastapi/pull/2395) by [@mohsen-mahmoodi](https://github.com/mohsen-mahmoodi).

### Internal

* 🔧 Update Jina sponsorship. PR [#5283](https://github.com/tiangolo/fastapi/pull/5283) by [@tiangolo](https://github.com/tiangolo).