v1.2.4.15

What's Changed

Breaking Changes 🛠

• Fixup/cleanup IR::Type::width_bits() by @ChrisDodd in #4858
• Promote P4 to be THE project-wise top-level namespace by @qobilidop in #4825

P4 Specification Implementation

• Allow concatenation of string literals at compile time by @vlstill in #4856

Changes to the Compiler Core

• Ensure correct overload for diagnose() is called even in Transform context by @asl in #4830
• Fix ASAN issue in lib/cstring. by @matthewtlam in #4865
• Ensure we are finding proper operator<< during debug printing by @asl in #4860
• Fix linter complaints in the validateStringAnnotations pass and enable -werror for MacOS. by @fruffy in #4881
• Trim overlong source fragments in error messages by @ChrisDodd in #4885
• Pass to reduce added flags from RemoveReturn by @ChrisDodd in #4878
• Add operator< to some compiler classes by @fruffy in #4851
• Make isSystemFile() part of the parser options file. by @fruffy in #4888
• Add empty block for trailing case(s) with no code. by @ChrisDodd in #4889
• Silence -Wswitch-enum from bison generated file by @ChrisDodd in #4886
• Sync dump.h with dump.cpp by @qobilidop in #4896
• Make type checking true read-only visitor by @asl in #4829

Changes to the Control Plane

• Set the initial default action for tables when generating a P4Info. by @fruffy in #4773

Changes to the BMv2 Back Ends

• Fix incorrect BMv2 include. by @fruffy in #4843

Changes to the TC Back End

• Support of Digest extern in P4TC by @komaljai in #4842
• Support of is_net_port and is_host_port externs. by @komaljai in #4873
• Reduce extern parameters size to 64 bytes by @vbnogueira in #4880
• Remove priority field from ternary table's action by @vbnogueira in #4879
• P4TC - Support for Meter and DirectMeter extern by @komaljai in #4884

Changes to the P4Tools Back End

• [P4Testgen] Represent bits of width zero as an empty string. by @fruffy in #4852
• Reenable compilation tests for P4Smith. by @zzmic in #4791
• [P4Tools] Clean up the P4Tools GTest infrastructure. by @fruffy in #4841
• [P4Smith] Remove a stray print in the smith code. by @fruffy in #4891

Other Changes

• Docs : Changelogs release update for v1.2.4.14 by @AdarshRawat1 in #4849
• Feat: PR Preview Workflow via GitHub Pages by @AdarshRawat1 in #4848
• Fix: PR Preview URL to Use Base Repository by @AdarshRawat1 in #4855
• Bump Documentation build workflow action from Doxygen v1.11.0 to v1.12.0 by @AdarshRawat1 in #4861
• Bump actions/github-script from 6 to 7 by @dependabot in #4864
• Docs : Content Organization and Documentation Updates by @AdarshRawat1 in #4850
• [p4fmt]: Add a pretty printer for p4fmt. by @snapdgn in #4862
• Docs:Content Organization & Add 'Frontend' and 'Midend' Sections by @AdarshRawat1 in #4876
• Update BDWGC. by @fruffy in #4868
• Remove 4 tests that are completely identical to other tests that remain by @jafingerhut in #4890
• simplifyDefUse: Report the specific uninitialized struct field by @ChrisDodd in #4892
• Update namespace usage in .gdbinit by @qobilidop in #4895
• Automated Release v1.2.4.15 by @github-actions in #4893

Full Changelog: v1.2.4.14...v1.2.4.15