_All texts in italics are instructional and should be replaced by contents or removed._
## Checklist
_This entire section can be deleted if all items are checked._
* [ ] Enough information to help reviewers understand the issue, its root cause, impact, and the proposed solution
* [ ] Enough information to help reviewers understand the feature, its functional description, example, documentation, test cases, test results, feature TODO list
* [ ] The MR Title describes the change, including the component name, ie "lwip: Add support for IP over Pigeon"
* [ ] For documentation updates, check if label `Docs` and `needs translation:CN` or `needs translation:EN` have been added when the other language version still needs the update. Skip adding the label if the document is not yet translated.
* [ ] Check if documents requiring translation fall under get-started section. If yes, add the labels mentioned above. Then the documentation team will assign a translator for you. Please inform the translator to prepare translation once your MR is ready to merge. The translation should be included in your MR to get it merged. For more information, see documentation workflow in Wiki.
_For issues, put enough information here to help reviewers understand the issue, its root cause, impact, and the proposed solution._
_If this issue is a regression, specify in the `Related` subsection below, in which commit or MR it was introduced. This helps reviewers to check if the backport labels are set correctly._
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_For features, put enough information here to help reviewers understand the feature, its functional description, example, documentation, test cases, test results, feature TODO list._
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_For other small/non-public changes, which are not expected to be in the release notes, can be mentioned here, include:_
* changes that don't apply to customers, e.g. some CI fixes, test only MR and etc
## Related
* Mention or related JIRA tasks (e.g. IDF-0000), to make sure they get updated.
* Mention submodule MR, if there is
* Mention backport(ed) MR, if there is
_Don't touch the subsection titles below, they will be parsed by scripts._
## Release notes (Mandatory)
_Changes made in this MR that should go into the **Release Notes** should be listed here. Please use **past tense** and *specify the area (see maintainers page of IDF internal wiki)*. If there is a subscope, include it and separate with slash (`/`). Minor changes can go to the descriptions above without a release notes entry._
_Write all the changes in a **list** (Start at the beginning of the line with `-` or `*`). If multiple changes are made, each of them should take a single line. If there is only one change to list, it should still be the only line of a list. If this MR does not need any release notes, write "No release notes" here without the `-` or `*`. e.g._
_If there are any breaking changes, please mention it here. Talking about (1) what is not accepted any more, (2) the alternative solution and (3) the benefits/reason. e.g._
_Please strictly follow the breaking change restriction, which means, if there is a breaking change but you are merging to non-major versions, you have to separate the breaking part out to another MR for a major version. The breaking change subsection is only accepted in MRs merging to major versions._
* [VFS/UART] Now vfs_uart_set_rts_cts accept one more instance argument, to support configuration to different ports.
