[P4-dev] P4_14 v1.0.4

Nate Foster jnfoster at cs.cornell.edu
Wed May 24 13:46:19 EDT 2017

Dear P4 enthusiasts,

This morning we released version 1.0.4 of the P4_14 language specification.
This is a maintenance release that addresses several discrepancies between
the specification and current implementations of the language:
* Replaces parallel with sequential semantics
* Clarifies behavior of action primitives that access invalid headers
* Adds hdr.valid as a key that can be matched in a table.
These changes were discussed and approved by the P4 Language Design Working

The new specification is available at p4lang.github.io/p4-spec.

Nate & Gordon
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