CppCast

Daisy Hollman joins Phil and Anastasia. Daisy talks to us about the current state of the art in using LLM-based AI agents to help with software development, as well as where that is going in the future, and what impacts it is having (good and bad). Show Notes News * Clang 20 released [https://releases.llvm.org/20.1.0/tools/clang/docs/ReleaseNotes.html] * Boost 1.88 released [https://www.reddit.com/r/cpp/comments/1jw9dft/boost_v188_released/] * JSON for Modern C++ 3.12.0 [https://www.reddit.com/r/cpp/comments/1jwl5r1/json_for_modern_c_3120_released/] * Conferences: * Pure Virtual C++ 2025 Full schedule [https://www.reddit.com/r/cpp/comments/1jzqf2x/pure_virtual_c_2025_conference_full_schedule/] * C++ Now 2025 [https://cppnow.org/announcements/2025/03/2025-schedule-announced/] * C++ on Sea 2025 - speakers [https://cpponsea.uk/2025/speakers] * C++ under the Sea 2025 [https://cppunderthesea.nl/] Links * "Not your Grandparent's C++" - Phil's talk [https://www.youtube.com/watch?v=BBRyl6vkvmI] * "Robots Are After Your Job: Exploring Generative AI for C++" - Andrei Alexandrescu's closing CppCon 2023 keynote [https://www.youtube.com/watch?v=J48YTbdJNNc]

Louis Dionne joins Phil and Timur. Louis talks to us about his role as code owner of libc++ (clang's standard library implementation) and the standard library hardening proposal that was just accepted into C++26, why this is important, and what you can do even today. Show Notes News * GDC 2025: How Build Insights Reduced Call of Duty: Modern Warfare II’s Build Times by 50% [https://developer.microsoft.com/en-us/games/articles/2025/03/gdc-2025-build-insights-call-of-duty-modern-warfare/] * C++ Core Guidelines issue to remove .h recommendation for headers [https://github.com/isocpp/CppCoreGuidelines/issues/2265] * Reddit discussion [https://www.reddit.com/r/cpp/comments/1jjlpor/we_should_encourage_use_of_hpp_over_h_for_headers/] * “Note to the C++ standards committee members” - Bjarne Stroustrup [https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/p3651r0.pdf] Links * P3471R4 - "Standard Library Hardening" [https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2025/p3471r4.html] * "Retrofitting spatial safety to hundreds of millions of lines of C++" - Google Blog [https://security.googleblog.com/2024/11/retrofitting-spatial-safety-to-hundreds.html]

Timur and Phil return after an extended break with news and updates   Show Notes News * Bjarne Stroustrup on How He Sees C++ Evolving [https://thenewstack.io/bjarne-stroustrup-on-how-he-sees-c-evolving/] * Conferences round-up: * ACCU Conference 2025 [https://accuconference.org/2025/schedule] * C++ Now 2025 [https://cppnow.org/announcements/2025/03/2025-program-announced/] * C++ on Sea 2025 [https://cpponsea.uk/news/dates-keynotes-and-call-for-speakers-for-2025] * C++ North 2025 [https://cppnorth.ca/] * CppCon [https://cppcon.org/] * New Meetups: * Singapore C++ USers Group [https://www.meetup.com/singapore-cpp-meetup-group/] * ACCU Cambridge [https://www.meetup.com/accu-cambridge/] Links * "Contracts and Safety for C++26" - C++ London January event [https://www.youtube.com/watch?v=NDyRiT3ZOMY] * "Not Your Grandparent's C++" - Phil's ACCU Cambridge talk [https://www.youtube.com/watch?v=BBRyl6vkvmI]

Anders Knatten joins Phil and Timur. Anders reminds us about cppquiz.org and tells to us about his new book, C++ Brain Teasers, how that relates to the site and why it's has good practical applicability. Show Notes News * New report by the US Cybersecurity and Infrastructure Security Agency (CISA) [https://www.cisa.gov/resources-tools/resources/product-security-bad-practices] * C++ Safe Buffers - a new Clang20 feature [https://clang.llvm.org/docs/SafeBuffers.html] * CppFront version 0.8 is out [https://github.com/hsutter/cppfront/releases/tag/v0.8.0] * “Safe and efficient C++ interoperability via non-escapable types and lifetimes” - from the Swift Forums [https://forums.swift.org/t/safe-and-efficient-c-interoperability-via-non-escapable-types-and-lifetimes/75426] Links * C++ Brain Teasers - Anders' new book [https://pragprog.com/titles/akbrain/c-brain-teasers/] * C++ Quiz [https://cppquiz.org/] * C++ Quiz repo and getting involved [https://github.com/knatten/cppquiz] * Submit your own C++ Quiz questions [https://cppquiz.org/quiz/create] * Modulo One - Anders' band [https://moduloone.com/about/] * IncludeOS - Episode #63 of CppCast [https://cppcast.com/alfred-bratterud/index.html]

Christoper Apple joins Timur and Phil. Chris talks to us about his work on the new Realtime Sanitizer in the Clang20 release, as well as the associated Performance Constraints attributes, how they differ, and how they work together. Show Notes News * The C++23 Standard has finally been released by ISO [https://www.iso.org/standard/83626.html] * "Why Safety Profiles Failed" - draft of new paper from Sean Baxter [https://www.circle-lang.org/draft-profiles.html] * "if constexpr requires requires { requires }" - Jonathan Müller [https://www.think-cell.com/en/career/devblog/if-constexpr-requires-requires-requires] Links * RealtimeSanitizer docs [https://clang.llvm.org/docs/RealtimeSanitizer.html] * Performance Constraints docs [https://clang.llvm.org/docs/FunctionEffectAnalysis.html] * RealtimeSanitizer helper repo (including how to run it "standalone" and find the team on discord) [https://github.com/realtime-sanitizer/rtsan] * slides from Chris and David Trevelyan's CppCon 2024 talk [https://github.com/CppCon/CppCon2024/blob/main/Presentations/LLVMs_Realtime_Safety_Revolution.pdf]