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Further, the asset will get a far future expires header, which will encourage the client browser to cache the asset.

You For Talestry 5.3 and earlier, you should have an explicit application version number for any production application. Client browsers will aggressively cache downloaded assets; they will usually not even send a request to see if the asset has changed once the asset is downloaded the first time. Because of this it is very important that each new deployment of your application has a new version number, to force existing clients to re-download all assets.

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