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Diffstat (limited to 'doc/manual/rl-next/old-protocol-removal.md')
| -rw-r--r-- | doc/manual/rl-next/old-protocol-removal.md | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/doc/manual/rl-next/old-protocol-removal.md b/doc/manual/rl-next/old-protocol-removal.md new file mode 100644 index 000000000..c8c46228c --- /dev/null +++ b/doc/manual/rl-next/old-protocol-removal.md @@ -0,0 +1,21 @@ +--- +synopsis: "Lix no longer speaks the Nix remote-build worker protocol to clients or servers older than CppNix 2.3" +cls: [1207, 1208, 1206, 1205, 1204, 1203, 1479] +issues: [fj#325] +credits: [jade] +category: Breaking Changes +--- + +CppNix 2.3 was released in 2019, and is the new oldest supported version. We +will increase our support baseline in the future up to a final version of CppNix +2.18 (which may happen soon given that it is the only still-packaged and thus +still-tested >2.3 version), but this step already removes a significant amount +of dead, untested, code paths. + +Lix speaks the same version of the protocol as CppNix 2.18 and that fact will +never change in the future; the Lix plans to replace the protocol for evolution +will entail a complete incompatible replacement that will be supported in +parallel with the old protocol. Lix will thus retain remote build compatibility +with CppNix as long as CppNix maintains protocol compatibility with 2.18, and +as long as Lix retains legacy protocol support (which will likely be a long +time given that we plan to convert it to a frozen-in-time shim). |