Multiple config + devServer + different HMR options don't work

[Jack-Works]

Describe the bug

I try to use 2 configs that one uses HMR and the other one doesn't. It doesn't work.

To Reproduce

package.json

{
    "dependencies": {
        "webpack": "^4.44.2",
        "webpack-cli": "^4.0.0",
        "webpack-dev-server": "^3.11.0"
    }
}

webpack.config.js

module.exports = () => {
    return [
        { mode: "development", entry: { a: "./a.js" }, devServer: { writeToDisk: true, hot: true, port: 4858 } },
        {
            mode: "development",
            entry: { b: "./b.js" },
            devServer: { writeToDisk: true, hot: false, injectClient: false, port: 4868, injectHot: false },
        },
    ];
};

a.js and b.js empty

Run webpack serve

Expected: The dist/b.js don't have HMR related code

Actual: It has

[topocount]

I've also found this to be true with the inline: false config. before upgrading to v4, webpack wouldn't attempt to inject the client (HMR/ auto-refresh) code into files and now it's attempting to do so. The upshot of this is that SSR files/environments don't have the ability handle this code without shims

[alexander-akait]

inline was removed in the next version, don't use it, never

[topocount]

@evilebottnawi Thanks, good to know. I don't see this reflected in the docs (v4 or v5) yet, though, or in the form of a CLI config parsing error or warning for that matter (which I've appreciated as being particularly thorough).

[alexander-akait]

Expected, you have hot: false and injectHot: false for the second config, so no HMR for this

[Jack-Works]

Expected, you have hot: false and injectHot: false for the second config, so no HMR for this

@evilebottnawi hi please read again. my expectation is that has no HMR for the second config, but it has

[alexander-akait]

My mistake

[Jack-Works]

I have workaround this problem by providing a function to injectHot and injectClient. But still hope this can be resolved.

[alexander-akait]

Duplicate #2408, we need improve multiple dev servers support