switch examples to use Wasmtime 38

39 has not yet been released and is not needed for these examples, anyway.

Signed-off-by: Joel Dice <joel.dice@fermyon.com>

Author: dicej

examples/cli/README.md

@@ -9,15 +9,15 @@ run a Python-based component targetting the [wasi-cli] `command` world.
 
 ## Prerequisites
 
-* `Wasmtime` 39.0.0 or later
+* `Wasmtime` 38.0.0 or later
 * `componentize-py` 0.19.0
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
-https://github.com/bytecodealliance/wasmtime/releases/tag/v39.0.0.
+https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
-cargo install --version 39.0.0 wasmtime-cli
+cargo install --version 38.0.0 wasmtime-cli
 pip install componentize-py==0.19.0
 ```
 

examples/http-p3/README.md

@@ -10,15 +10,15 @@ run a Python-based component targetting version `0.3.0-rc-2025-09-16` of the
 
 ## Prerequisites
 
-* `Wasmtime` 39.0.0 or later
+* `Wasmtime` 38.0.0 or later
 * `componentize-py` 0.19.0
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
-https://github.com/bytecodealliance/wasmtime/releases/tag/v39.0.0.
+https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
-cargo install --version 39.0.0 wasmtime-cli
+cargo install --version 38.0.0 wasmtime-cli
 pip install componentize-py==0.19.0
 ```
 

examples/http/README.md

@@ -9,15 +9,15 @@ run a Python-based component targetting the [wasi-http] `proxy` world.
 
 ## Prerequisites
 
-* `Wasmtime` 39.0.0 or later
+* `Wasmtime` 38.0.0 or later
 * `componentize-py` 0.19.0
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
-https://github.com/bytecodealliance/wasmtime/releases/tag/v39.0.0.
+https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
-cargo install --version 39.0.0 wasmtime-cli
+cargo install --version 38.0.0 wasmtime-cli
 pip install componentize-py==0.19.0
 ```
 

examples/matrix-math/README.md

@@ -10,7 +10,7 @@ within a guest component.
 
 ## Prerequisites
 
-* `wasmtime` 39.0.0 or later
+* `wasmtime` 38.0.0 or later
 * `componentize-py` 0.19.0
 * `NumPy`, built for WASI
 
@@ -19,10 +19,10 @@ not yet publish WASI builds.
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
-https://github.com/bytecodealliance/wasmtime/releases/tag/v39.0.0.
+https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
-cargo install --version 39.0.0 wasmtime-cli
+cargo install --version 38.0.0 wasmtime-cli
 pip install componentize-py==0.19.0
 curl -OL https://github.com/dicej/wasi-wheels/releases/download/v0.0.2/numpy-wasi.tar.gz
 tar xf numpy-wasi.tar.gz

examples/sandbox/README.md

@@ -7,11 +7,11 @@ sandboxed Python code snippets from within a Python app.
 
 ## Prerequisites
 
-* `wasmtime-py` 39.0.0 or later
+* `wasmtime-py` 38.0.0 or later
 * `componentize-py` 0.19.0
 
 ```
-pip install componentize-py==0.19.0 wasmtime==39.0.0
+pip install componentize-py==0.19.0 wasmtime==38.0.0
 ```
 
 ## Running the demo

examples/tcp/README.md

@@ -10,15 +10,15 @@ making an outbound TCP request using `wasi-sockets`.
 
 ## Prerequisites
 
-* `Wasmtime` 39.0.0 or later
+* `Wasmtime` 38.0.0 or later
 * `componentize-py` 0.19.0
 
 Below, we use [Rust](https://rustup.rs/)'s `cargo` to install `Wasmtime`.  If
 you don't have `cargo`, you can download and install from
-https://github.com/bytecodealliance/wasmtime/releases/tag/v39.0.0.
+https://github.com/bytecodealliance/wasmtime/releases/tag/v38.0.0.
 
 ```
-cargo install --version 39.0.0 wasmtime-cli
+cargo install --version 38.0.0 wasmtime-cli
 pip install componentize-py==0.19.0
 ```