Issues

• Consider adding a section on permitting parser / controls / packages as type parameters in package instantiations

  p4lang/p4-spec#1422 · Filter by author fruffy opened on Sep 29, 2026

• What is the match order of a table with multiple LPMs and no priority?

  p4lang/p4-spec#1421 · Filter by author jonathan-dilorenzo opened on Sep 22, 2026
  8

• Inconsistent build strategies across CI workflows

  p4lang/p4-spec#1404 · Filter by author Devansh-567 opened on May 11, 2026
  3

• What is the semantics of a ternary match on bool and error types?

  ldwg-discussion
  p4lang/p4-spec#1389 · Filter by author jaehyun1ee opened on Mar 16, 2026
  5

• To what extent do we check equivalence of table actions?

  p4lang/p4-spec#1388 · Filter by author jaehyun1ee opened on Mar 11, 2026
  5

• What should be the inferred type arguments for those that are not evident from the given P4 program?

  p4lang/p4-spec#1387 · Filter by author jaehyun1ee opened on Mar 11, 2026

• Dead spec links

  p4lang/p4-spec#1384 · Filter by author fruffy opened on Feb 26, 2026
  2

• Are @optional parameters allowed in abstract methods?

  p4lang/p4-spec#1383 · Filter by author shyukahn opened on Feb 11, 2026
  2

• Should we allow generic parser/control declarations?

  p4lang/p4-spec#1380 · Filter by author jaehyun1ee opened on Jan 27, 2026
  6

• Need more Clarification in Section 6.8 that runtime values for directionless parameters apply only to call statements, not table properties

  p4lang/p4-spec#1379 · Filter by author devalgupta404 opened on Jan 24, 2026

• Syntax of conditional statements within parsers

  p4lang/p4-spec#1375 · Filter by author jaehyun1ee opened on Nov 5, 2025

• What is the meaning of statements like "X a = a"?

  ldwg-discussion
  p4lang/p4-spec#1373 · Filter by author ajwalton opened on Sep 26, 2025
  13

• Disallow Apply parameter usage in Control-block initializers

  p4lang/p4-spec#1372 · Filter by author jonathan-dilorenzo opened on Sep 8, 2025

• Clarify wording with respect to header union equality and inequality comparisons

  p4lang/p4-spec#1371 · Filter by author kfcripps opened on Jun 16, 2025
  3

• Out/Inout args and aliasing

  enhancementexperimental
  p4lang/p4-spec#1370 · Filter by author ChrisDodd opened on May 16, 2025
  2

• Serializable enums: should comparison of values of two different enum types work? (or enum and underlying type)

  p4lang/p4-spec#1369 · Filter by author vlstill opened on May 5, 2025
  9

• Errors in spec samples

  p4lang/p4-spec#1364 · Filter by author asl opened on Feb 12, 2025
  7

• How to check validity of default parameter values, of generic types?

  p4lang/p4-spec#1353 · Filter by author jaehyun1ee opened on Dec 2, 2024

• Clarify explanation on casting types that are not base type and derived types introduced by typedef, type, and enum

  p4lang/p4-spec#1351 · Filter by author jaehyun1ee opened on Nov 26, 2024
  3

• Matching control types that have default parameters

  p4lang/p4-spec#1348 · Filter by author jaehyun1ee opened on Nov 25, 2024
  2

• Clarification over emits inside if statements

  p4lang/p4-spec#1338 · Filter by author vbnogueira opened on Nov 21, 2024
  3

• Allow division and modulo on fixed-width integers

  ldwg-discussion
  p4lang/p4-spec#1327 · Filter by author vlstill opened on Nov 4, 2024
  3

• Add compile-time / macros that can do loops and conditionals

  p4lang/p4-spec#1326 · Filter by author jafingerhut opened on Nov 3, 2024

• Arrays of non-header types

  p4lang/p4-spec#1320 · Filter by author ChrisDodd opened on Oct 21, 2024
  4

• What can minSizeInBits (etc.) be applied to

  p4lang/p4-spec#1318 · Filter by author vlstill opened on Oct 17, 2024
  1