Release WASI v0.3.0-rc-2026-03-15 (#904)

Co-authored-by: ricochet <974323+ricochet@users.noreply.github.com>

Author: github-actions[bot]

proposals/cli/wit-0.3.0-draft/command.wit

@@ -1,10 +1,10 @@
-package wasi:cli@0.3.0-rc-2026-02-09;
+package wasi:cli@0.3.0-rc-2026-03-15;
 
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 world command {
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   include imports;
 
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   export run;
 }

proposals/cli/wit-0.3.0-draft/deps.lock

@@ -1,19 +1,19 @@
 [clocks]
 path = "../../clocks/wit-0.3.0-draft"
-sha256 = "888647625fec3eaaf276cb884e426bc32bfa79ced22955f10eb239df74c8550c"
-sha512 = "f08a2828b88fc6ddea935af584531c484ad4a7a5f30340265e11e91b2bfe0f81e74a660a512f72e5197d60278feccc00534833ebd73868e801859dd31a61bdbb"
+sha256 = "a8702c42e23c22a458207d0efa38cc1b64c8c6299b0e3152aa84327a7c1c952b"
+sha512 = "da69a5d498b6afe0facf77ec3d21f6e8a2a4d4661ebfec310a2ce6f943cb01f92131a746765648febf96563ddac788e9f218941d3db2b905f3746dc8e05cf54d"
 
 [filesystem]
 path = "../../filesystem/wit-0.3.0-draft"
-sha256 = "39549a7fe0950d26d292eabc9aad193416394214f8cddb1bf786eda0ad9b764e"
-sha512 = "fe44c8f5c80ace68f455746df28e2f67e0ba12fae2777a3ec5514de2b924450b903f4676aafb891672d1f7c99653dbac3a601c3e00b623dc592deea509392077"
+sha256 = "d9db43c43b4e09899a9e54c76544eef17439fb42e2f730ed96d40eac994b0dfd"
+sha512 = "3b7a1bef322ba36b1e9df768d740e4238f58d3c15d3e4c51fe899b93cf1e6641a79b5a8665ae71d38a80e1e0f852b30b023ecf318f4cbeacb36dd1ae0ac7e37b"
 
 [random]
 path = "../../random/wit-0.3.0-draft"
-sha256 = "2d54fe2815781a7462f3540b0959842b7e15d9fe8530c2b961b35451b6922670"
-sha512 = "ac1a04d180f8aa11ac82529a0de7ff01c8d51d10424806aefe1c1d52ea9ade9911eaee2b3f7d9c23f4b3bfdff469af6482f4a9e5b800c465b9fb7b73ccc635c7"
+sha256 = "d44de4e427505fdfd584a23479dba5899ad80aa8e174dc0528df840db8ae9a43"
+sha512 = "6b08b32a197aee74076d0cdca6a09f78da9040eedd9ab3f64e5f14901ad5a0c5bbc592ad46a0d575dc6705249b3e10a413e09835616f753788aa598af605c776"
 
 [sockets]
 path = "../../sockets/wit-0.3.0-draft"
-sha256 = "5bc5dd55a678bee6d8de9043a1c9def9b1aee884d00349f89456f2e2a4622c9a"
-sha512 = "d3d6af8d3a6c6105ce166e551032af10a71c2f1d9119ef189bab1617c4951d64f9e783ab3dc59956bbd5eb1b8a79cf3303a4cbfd4a27e1be04f22ec8abff9a57"
+sha256 = "ee64b45d3826b6ff2cd27f6ac24fe23c41e65ba4d155294671dc7d0a0b47ddfe"
+sha512 = "dd797ab47b899aee52799f797497fa286f5e217307e8a451a7ba89bd05b7b9bfe2a6e0cf39c0e609ed4c76ed102487adff6e73156340f14baf70a9cc9e48ecbc"

proposals/cli/wit-0.3.0-draft/environment.wit

@@ -1,4 +1,4 @@
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface environment {
   /// Get the POSIX-style environment variables.
   ///
@@ -8,15 +8,15 @@ interface environment {
   /// Morally, these are a value import, but until value imports are available
   /// in the component model, this import function should return the same
   /// values each time it is called.
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   get-environment: func() -> list<tuple<string, string>>;
 
   /// Get the POSIX-style arguments to the program.
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   get-arguments: func() -> list<string>;
 
   /// Return a path that programs should use as their initial current working
   /// directory, interpreting `.` as shorthand for this.
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   get-initial-cwd: func() -> option<string>;
 }

proposals/cli/wit-0.3.0-draft/exit.wit

@@ -1,7 +1,7 @@
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface exit {
   /// Exit the current instance and any linked instances.
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   exit: func(status: result);
 
   /// Exit the current instance and any linked instances, reporting the

proposals/cli/wit-0.3.0-draft/imports.wit

@@ -1,34 +1,34 @@
-package wasi:cli@0.3.0-rc-2026-02-09;
+package wasi:cli@0.3.0-rc-2026-03-15;
 
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 world imports {
-  @since(version = 0.3.0-rc-2026-02-09)
-  include wasi:clocks/imports@0.3.0-rc-2026-02-09;
-  @since(version = 0.3.0-rc-2026-02-09)
-  include wasi:filesystem/imports@0.3.0-rc-2026-02-09;
-  @since(version = 0.3.0-rc-2026-02-09)
-  include wasi:sockets/imports@0.3.0-rc-2026-02-09;
-  @since(version = 0.3.0-rc-2026-02-09)
-  include wasi:random/imports@0.3.0-rc-2026-02-09;
+  @since(version = 0.3.0-rc-2026-03-15)
+  include wasi:clocks/imports@0.3.0-rc-2026-03-15;
+  @since(version = 0.3.0-rc-2026-03-15)
+  include wasi:filesystem/imports@0.3.0-rc-2026-03-15;
+  @since(version = 0.3.0-rc-2026-03-15)
+  include wasi:sockets/imports@0.3.0-rc-2026-03-15;
+  @since(version = 0.3.0-rc-2026-03-15)
+  include wasi:random/imports@0.3.0-rc-2026-03-15;
 
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   import environment;
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   import exit;
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   import stdin;
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   import stdout;
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   import stderr;
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   import terminal-input;
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   import terminal-output;
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   import terminal-stdin;
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   import terminal-stdout;
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   import terminal-stderr;
 }

proposals/cli/wit-0.3.0-draft/run.wit

@@ -1,6 +1,6 @@
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface run {
   /// Run the program.
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   run: async func() -> result;
 }

proposals/cli/wit-0.3.0-draft/stdio.wit

@@ -1,6 +1,6 @@
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface types {
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   enum error-code {
     /// Input/output error
     io,
@@ -11,7 +11,7 @@ interface types {
   }
 }
 
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface stdin {
   use types.{error-code};
 
@@ -28,11 +28,11 @@ interface stdin {
   ///
   /// Multiple streams may be active at the same time. The behavior of concurrent
   /// reads is implementation-specific.
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   read-via-stream: func() -> tuple<stream<u8>, future<result<_, error-code>>>;
 }
 
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface stdout {
   use types.{error-code};
 
@@ -44,11 +44,11 @@ interface stdout {
   ///
   /// Otherwise if there is an error the readable end of the stream will be
   /// dropped and this function will return an error-code.
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   write-via-stream: func(data: stream<u8>) -> future<result<_, error-code>>;
 }
 
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface stderr {
   use types.{error-code};
 
@@ -60,6 +60,6 @@ interface stderr {
   ///
   /// Otherwise if there is an error the readable end of the stream will be
   /// dropped and this function will return an error-code.
-  @since(version = 0.3.0-rc-2026-02-09)
+  @since(version = 0.3.0-rc-2026-03-15)
   write-via-stream: func(data: stream<u8>) -> future<result<_, error-code>>;
 }

proposals/cli/wit-0.3.0-draft/terminal.wit

@@ -3,10 +3,10 @@
 /// In the future, this may include functions for disabling echoing,
 /// disabling input buffering so that keyboard events are sent through
 /// immediately, querying supported features, and so on.
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface terminal-input {
     /// The input side of a terminal.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     resource terminal-input;
 }
 
@@ -15,48 +15,48 @@ interface terminal-input {
 /// In the future, this may include functions for querying the terminal
 /// size, being notified of terminal size changes, querying supported
 /// features, and so on.
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface terminal-output {
     /// The output side of a terminal.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     resource terminal-output;
 }
 
 /// An interface providing an optional `terminal-input` for stdin as a
 /// link-time authority.
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface terminal-stdin {
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     use terminal-input.{terminal-input};
 
     /// If stdin is connected to a terminal, return a `terminal-input` handle
     /// allowing further interaction with it.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     get-terminal-stdin: func() -> option<terminal-input>;
 }
 
 /// An interface providing an optional `terminal-output` for stdout as a
 /// link-time authority.
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface terminal-stdout {
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     use terminal-output.{terminal-output};
 
     /// If stdout is connected to a terminal, return a `terminal-output` handle
     /// allowing further interaction with it.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     get-terminal-stdout: func() -> option<terminal-output>;
 }
 
 /// An interface providing an optional `terminal-output` for stderr as a
 /// link-time authority.
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface terminal-stderr {
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     use terminal-output.{terminal-output};
 
     /// If stderr is connected to a terminal, return a `terminal-output` handle
     /// allowing further interaction with it.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     get-terminal-stderr: func() -> option<terminal-output>;
 }

proposals/clocks/wit-0.3.0-draft/monotonic-clock.wit

@@ -1,4 +1,4 @@
-package wasi:clocks@0.3.0-rc-2026-02-09;
+package wasi:clocks@0.3.0-rc-2026-03-15;
 /// WASI Monotonic Clock is a clock API intended to let users measure elapsed
 /// time.
 ///
@@ -7,14 +7,14 @@ package wasi:clocks@0.3.0-rc-2026-02-09;
 ///
 /// A monotonic clock is a clock which has an unspecified initial value, and
 /// successive reads of the clock will produce non-decreasing values.
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface monotonic-clock {
     use types.{duration};
 
     /// A mark on a monotonic clock is a number of nanoseconds since an
     /// unspecified initial value, and can only be compared to instances from
     /// the same monotonic-clock.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     type mark = u64;
 
     /// Read the current value of the clock.
@@ -26,22 +26,22 @@ interface monotonic-clock {
     /// the value of the clock in a `mark`. Consequently, implementations
     /// should ensure that the starting time is low enough to avoid the
     /// possibility of overflow in practice.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     now: func() -> mark;
 
     /// Query the resolution of the clock. Returns the duration of time
     /// corresponding to a clock tick.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     get-resolution: func() -> duration;
 
     /// Wait until the specified mark has occurred.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     wait-until: async func(
         when: mark,
     );
 
     /// Wait for the specified duration to elapse.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     wait-for: async func(
         how-long: duration,
     );

proposals/clocks/wit-0.3.0-draft/system-clock.wit

@@ -1,4 +1,4 @@
-package wasi:clocks@0.3.0-rc-2026-02-09;
+package wasi:clocks@0.3.0-rc-2026-03-15;
 /// WASI System Clock is a clock API intended to let users query the current
 /// time. The clock is not necessarily monotonic as it may be reset.
 ///
@@ -9,7 +9,7 @@ package wasi:clocks@0.3.0-rc-2026-02-09;
 /// monotonic, making it unsuitable for measuring elapsed time.
 ///
 /// It is intended for reporting the current date and time for humans.
-@since(version = 0.3.0-rc-2026-02-09)
+@since(version = 0.3.0-rc-2026-03-15)
 interface system-clock {
     use types.{duration};
 
@@ -29,7 +29,7 @@ interface system-clock {
     ///
     /// [POSIX's Seconds Since the Epoch]: https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_xbd_chap04.html#tag_21_04_16
     /// [Unix Time]: https://en.wikipedia.org/wiki/Unix_time
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     record instant {
         seconds: s64,
         nanoseconds: u32,
@@ -41,11 +41,11 @@ interface system-clock {
     /// will not necessarily produce a sequence of non-decreasing values.
     ///
     /// The nanoseconds field of the output is always less than 1000000000.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     now: func() -> instant;
 
     /// Query the resolution of the clock. Returns the smallest duration of time
     /// that the implementation permits distinguishing.
-    @since(version = 0.3.0-rc-2026-02-09)
+    @since(version = 0.3.0-rc-2026-03-15)
     get-resolution: func() -> duration;
 }