Changelog PR numbers

Author: bugadani

esp-hal/CHANGELOG.md

@@ -17,12 +17,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - ESP32-H2: light sleep and deep sleep support with timer wakeup source (#4587)
 
 ### Changed
+
+- UART: `fn read_ready` is now stable (#4586)
 - RMT: `SingleShotTxTransaction` has been renamed to `TxTransaction`. (#4302)
 - RMT: `ChannelCreator::configure_tx` and `ChannelCreator::configure_rx` now take the configuration by reference. (#4302)
 - RMT: `ChannelCreator::configure_tx` and `ChannelCreator::configure_rx` don't take a pin anymore, instead `Channel::with_pin` has been added. (#4302)
 - RMT: Configuration errors have been split out of `rmt::Error` into the new `rmt::ConfigError` enum. (#4494)
 - RMT: `Rmt::new()` now returns `Error::UnreachableTargetFrequency` instead of panicking when requesting 0 Hz. (#4509)
-- UART: changed the FIFO threshold in `read_exact_async` to reduce the likelyhood of `FifoOverflowed` errors. (#?)
 
 - Internal clock configuration rework (#4501)
 
@@ -33,7 +34,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - RMT: the `place_rmt_driver_in_ram` option now also places the async interrupt handler in RAM. (#4302)
 - RMT: When dropping a Tx channel, the driver now disconnects the output pin from the peripheral. (#4302)
 - I2C: avoid potential infinite loop while checking for command completion (#4519)
-- UART: correct documentation of `read` which incorrectly stated that it would never block (#?)
+- UART: correct documentation of `read` which incorrectly stated that it would never block (#4586)
+- UART: fixed an issue in `read_exact_async` which may cause `FifoOverflowed` to be returned unexpectedly. (#4586)
 
 ### Removed