Shadowrocket 4+

- What's New

* Mocking - Map Local (Enhancement): Further refined the "Map Local" feature to ensure reliable mapping even when dealing with empty local data.
* Rule Management: Batch Rules Deletion: Added the ability to delete multiple configuration rules at once, streamlining your workflow.
* SSH Tunneling: Added a UDP Gateway feature for SSH, enabling the tunneling of UDP traffic over an SSH connection.

- Bug Fixes

* Clash Protocol:
* Fixed an issue with parsing `obfs-password` in Hyteria2 YAML configurations.
* Corrected the parsing of `ss-opts` for Trojan servers.
* Configuration Handling:
* Resolved parsing issues for "map local" rules defined within modules.
* Ensured correct resolution from the hosts file even when global routing is set to proxy.
* DNS: Corrected the `NXDOMAIN` flag in DNS answers to accurately reflect non-existent domains.
* HTTP & TCP:
* Resolved general HTTP message parsing failures.
* Fixed an issue with the order of processing pending HTTP request data over TCP, improving reliability.
* Corrected HTTP request path building when query strings are present.
* Hysteria Protocol: Fixed an issue with parsing Hysteria server URLs that include embedded username and password credentials.

* SSL/TLS:
* Resolved a memory leak related to SSL context objects.
* Fixed a memory release issue concerning TLS contexts in the backend.
* Implemented an LRU cache for SSL sessions, improving performance and memory management.

* Statistics: Resolved an issue with asynchronous saving of statistics data to the database, ensuring data reliability.
* Task & Timer:
* Resolved a critical crash that occurred during the submission of background tasks.
* Fixed a potential memory leak associated with dispatch timers.

* XHTTP Protocol: Corrected issues with setting up and initializing XHTTP server chains.
* XTLS Protocol: Fixed an issue with packet number generation in the XTLS Vision writer.