Change Details

**The minimum PHP version required to run Arcanist is now PHP 5.5**, which was released seven years ago in 2013. Requiring this version of PHP allows Arcanist to use a few new language features, including: traits; `yield`; and `finally`. See T11968 for some details. These flags to `arc` workflows have been removed: | **arc diff** | `--plan-changes` | {icon times color=red} Removed, see T13010. Try `--draft`. |---| | | `--preview` | {icon times color=red} Removed, see T13010. Try `--draft`. | | `--no-diff` | {icon times color=red} Removed, see T13010. Legacy flag. | | `--cache` | {icon times color=red} Removed, see T13010. Legacy flag. | **arc lint** | `--only-changed` | {icon times color=red} Removed. Try "warning" severity. |---| | | `--only-new` | {icon times color=red} Removed. Almost never worked correctly. | | `--cache` | {icon times color=red} Removed. Legacy flag. These minor behaviors have also changed: - The `arc.lint.cache` configuration setting has been removed.

**The minimum PHP version required to run Arcanist is now PHP 5.5**, which was released seven years ago in 2013. Requiring this version of PHP allows Arcanist to use a few new language features, including: traits; `yield`; and `finally`. See T11968 for some details. **libphutil is no longer required.** All the code in "libphutil/" which Arcanist requires has been merged into "arcanist/". "libphutil/" is now an empty repository with a README file. See T13395 for discussion. These flags to `arc` workflows have been removed: | **arc diff** | `--plan-changes` | {icon times color=red} Removed, see T13010. Try `--draft`. |---| | | `--preview` | {icon times color=red} Removed, see T13010. Try `--draft`. | | `--no-diff` | {icon times color=red} Removed, see T13010. Legacy flag. | | `--cache` | {icon times color=red} Removed, see T13010. Legacy flag. | **arc lint** | `--only-changed` | {icon times color=red} Removed. Try "warning" severity. |---| | | `--only-new` | {icon times color=red} Removed. Almost never worked correctly. | | `--cache` | {icon times color=red} Removed. Legacy flag. These minor behaviors have also changed: **Configuration** - The `arc.lint.cache` configuration setting has been removed. **CLI/Scripting Behaviors** - `arc` no longer exits with error code 77 to indicate invalid flags.

**The minimum PHP version required to run Arcanist is now PHP 5.5**, which was released seven years ago in 2013. Requiring this version of PHP allows Arcanist to use a few new language features, including: traits; `yield`; and `finally`. See T11968 for some details. **libphutil is no longer required.** All the code in "libphutil/" which Arcanist requires has been merged into "arcanist/". "libphutil/" is now an empty repository with a README file. See T13395 for discussion. These flags to `arc` workflows have been removed: | **arc diff** | `--plan-changes` | {icon times color=red} Removed, see T13010. Try `--draft`. |---| | | `--preview` | {icon times color=red} Removed, see T13010. Try `--draft`. | | `--no-diff` | {icon times color=red} Removed, see T13010. Legacy flag. | | `--cache` | {icon times color=red} Removed, see T13010. Legacy flag. | **arc lint** | `--only-changed` | {icon times color=red} Removed. Try "warning" severity. |---| | | `--only-new` | {icon times color=red} Removed. Almost never worked correctly. | | `--cache` | {icon times color=red} Removed. Legacy flag. These minor behaviors have also changed: **Configuration** - The `arc.lint.cache` configuration setting has been removed. **CLI/Scripting Behaviors** - `arc` no longer exits with error code 77 to indicate invalid flags.