Using the Remix IDE, I'd like to try out some of the new features of Solidity by using the nightly compiler build, but it's giving me a wrong compiler error.

When I try

pragma solidity 0.6.0;


while using version 0.6.0-nightly.2019.3.11+commit.4704ef84.Emscripten.clang

I get the error: ParserError: Source file requires different compiler version (current compiler is 0.6.0-nightly.2019.3.11+commit.4704ef84.Emscripten.clang - note that nightly builds are considered to be strictly less than the released version

trying pragma solidity ^0.5.7; works but then I cant try the new features.

  • Does pragma solidity >0.5.8 <0.6.0; work? (Though I notice there's not actually a 0.5.8 release yet... ) Commented Apr 28, 2019 at 20:54

1 Answer 1


(Just to ensure the answer in the comments doesn't go missing at some point.)

You should be able to do this using:

pragma solidity >0.5.8 <0.6.0;

The error is basically saying that a nightly 0.6.0-nightly.xxx... isn't actually 0.6.0 proper (i.e. 0.6.0 doesn't actually exist yet). So you want to force the use of something lower than 0.6.0, but higher than the previous major version.

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