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Feign v8.18 Release Notes

    • ➕ Adds support for expansion of @Param lists
    • Content-Length response bodies with lengths greater than Integer.MAX_VALUE report null length
      • Previously the OkhttpClient would throw an exception, and ApacheHttpClient would report a wrong, possibly negative value
    • ➕ Adds support for encoded query parameters in @QueryMap via @QueryMap(encoded = true)
    • Keys in Response.headers are now lower-cased. This map is now case-insensitive with regards to keys, and iterates in lexicographic order.
      • This is a step towards supporting http2, as header names in http1 are treated as case-insensitive and http2 down-cases header names.