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Timur and Phil reflect on Phil and Timur. We share some personal updates as well as news from the community. News "Why we didn't rewrite our feed handler in Rust" - post from DataBento "C++ reflection (P2996) and moc" - from Qt wiki "Poll: Does your project use terminating assertions in production?" - from Herb's blog Links Episode 376, with Rainer Grimm Final entry on Rainer's blog :-( Epsiode 350, with Timur and Phil ACCU Conference and C++ on Sea, merging: Announcement post Tickets - Super Early Bird at time of posting Catch23 repo P3846R0 - "C++26 Contract Assertions, Reasserted" ADSP: The Podcast Two's Complement - A Programming Podcast by Matt (Godbolt) and Ben (Rady)

Phil and Timur are joined by Herb Sutter to catch up on what's going in to C++26 which, let's be honest, is dominated by reflection. News CLion now has a constexpr debugger "CMake for complex projects" - tutorial: Part one Part two Safe C++ proposal is not being continued Episode with Sean Baxter Links Herb's Reflection talk at CppCon 2025 Herb's Contract's talk at CppCon 2025

Matt Kulukundis joins Timur and Phil. Matt talks to us about BrontoSource, his start-up focused on refactoring, updating or migrating large codebases, as well as his work on Swiss Tables. News Herb Sutter's WG21, Bulgaria, trip report End of active development on jemalloc "Amortized O(1) complexity" - Andreas Weiss' lightning talk Reddit discussion of filter view issue Links Acronyms on cppreference/com Arthur O'Dwyer's acronym glossary Matt’s Swiss Tables talk at CppCon Example of BrontoSource integration in Compiler Explorer

Phil and Timur are joined by Jason Turner, Matt Godbolt, Anastasia Kazakova and Guy Davidson to celebrate 400 episodes of CppCast and catch up with the co-hosts that have helped us keep up for the last 50 of them! News Boost.Bloom has been accepted into Boost "Three types of name lookups in C++" - Sandor Dargo "How Compiler Explorer Works in 2025" - Matt Godbolt Links Episode 376 with Rainer Grimm Rainer's website and blog - with updates on his ALS journey

Kristen Shaker joins Timur and Phil. Kristen talks to us about her C++ on Sea keynote about the C++ interview process, her previous work at Google, and why she has made a slightly unusual career change. News libc++ removed the base template for std::char_traits "how to break or continue from a lambda loop?" - Vittoria Romeo Results from the 2025 Annual C++ Developer Survey "Lite" (pdf) Links C++ on Sea schedule (with Kristen and Timur's keynotes) BrontoSource "What Can We Learn From the Results of C++ Community Surveys?" - Anastasia Kazakova "Sorting Resumes" - Joel Spolsky (introducing the idea of filtering) "How to Build Your First C++ Automated Refactoring Tool" - Kristen's CppCon 2023 talk

Jonathan Wakely joins Phil and Timur. Jonathan talks to us about libstdc++ (GCC's standard library implementation), of which he is the lead maintainer, and tackles some tough questions like ABI compatibility - and how GCC and libstdc++ approach it. News GCC 15 released (release notes) Boost.OpenMethod review (finished) 2025 Annual C++ Developer Survey "Lite" (closed) Links GCC Mailing Lists

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). News Clang 20 released Boost 1.88 released JSON for Modern C++ 3.12.0 Conferences: Pure Virtual C++ 2025 Full schedule C++ Now 2025 C++ on Sea 2025 - speakers C++ under the Sea 2025 Links "Not your Grandparent's C++" - Phil's talk "Robots Are After Your Job: Exploring Generative AI for C++" - Andrei Alexandrescu's closing CppCon 2023 keynote

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. News GDC 2025: How Build Insights Reduced Call of Duty: Modern Warfare II’s Build Times by 50% C++ Core Guidelines issue to remove .h recommendation for headers Reddit discussion “Note to the C++ standards committee members” - Bjarne Stroustrup Links P3471R4 - "Standard Library Hardening" "Retrofitting spatial safety to hundreds of millions of lines of C++" - Google Blog

Timur and Phil return after an extended break with news and updates News Bjarne Stroustrup on How He Sees C++ Evolving Conferences round-up: ACCU Conference 2025 C++ Now 2025 C++ on Sea 2025 C++ North 2025 CppCon New Meetups: Singapore C++ USers Group ACCU Cambridge Links "Contracts and Safety for C++26" - C++ London January event "Not Your Grandparent's C++" - Phil's ACCU Cambridge talk

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. News New report by the US Cybersecurity and Infrastructure Security Agency (CISA) C++ Safe Buffers - a new Clang20 feature CppFront version 0.8 is out “Safe and efficient C++ interoperability via non-escapable types and lifetimes” - from the Swift Forums Links C++ Brain Teasers - Anders' new book C++ Quiz C++ Quiz repo and getting involved Submit your own C++ Quiz questions Modulo One - Anders' band IncludeOS - Episode #63 of CppCast

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. News The C++23 Standard has finally been released by ISO "Why Safety Profiles Failed" - draft of new paper from Sean Baxter "if constexpr requires requires { requires }" - Jonathan Müller Links RealtimeSanitizer docs Performance Constraints docs RealtimeSanitizer helper repo (including how to run it "standalone" and find the team on discord) slides from Chris and David Trevelyan's CppCon 2024 talk

Eduardo Madrid joins Phil and Timur. Eduardo talks to us about the Zoo libraries, including his advanced type-erasure library, as well as the SWAR library which simulates ad-hoc SIMD within a register. We also discuss how he has taken inspiration and cues from the worlds of Biology and Physics to arrive at new thinking around software development, design and architecture. News QT 6.8 is released "Named Loops" proposal adopted into C - will C++ follow? C++ Online Call for Speakers is open Links The Zoo libraries "C++ Software Design" (book) - Klaus Iglberger Klaus Iglberger's talks on Type Erasure: "A Design Analysis" "The Implementation Details" (Some of ) Ed's talks: "Using Integers as Arrays of Bitfields a.k.a. SWAR Techniques - CppCon 2019" "Rehashing Hash Tables And Associative Containers" - C++ Now 2022" "Empowerment with the C++ Generic Programming Paradigm" - C++ Online 2024

Yuri Minaev joins Timur and Phil. Yuri talks to us about static analysis and how PVS Studio helps. Then we chat about his work on a custom C++ parser, and what challenges he's encountered. News CppCon 2024 keynotes on YouTube (via CppCon site): Herb Sutter - "Peering Forward: C++'s Next Decade" Khalil Estell - "C++ Exceptions for Smaller Firmware" Amanda Rousseau - "Embracing an Adversarial Mindset for C++ Security" David Gross - "Ultrafast Trading Systems in C++" Daveed Vandevoorde - "Gazing Beyond Reflection for C++26" Coros - task-based parallelism library built on C++20 Coroutines "The case of the crash when destructing a std::map" - Raymond Chen ACCU 2025 Call for Speakers and (super) Early Bird Tickets Links C++ Under the Sea PVS-Studio (download) PVS-Studio Blog Yuri's Webinar: Parsing C++

Phil and Timur are joined by a live audience at CppCon as we chat about Safety in C++, AI and the running of CppCast itself. News Clang 19.1 released Sean Baxter's "Safe C++" P3390R0: "Safe C++" - Sean's work written up as a proposal partnership announcement from C++ Alliance Summary article on The Register Links Core C++ (Israel) - Call for Speakers closes 22nd Sept! "Robots Are After Your Job: Exploring Generative AI for C++" - Andrei Alexandrescu's CppCon 2023 talk

Benjamin Summerton joins Timur and Phil. Ben talks to us about what led him to benchmark the impact of the final and noexcept keywords, how to interpret his results, and the project that inspired him to do so in the first place. News Boost 1.86 released RealtimeSanitizer - new real-time safety testing tool for C and C++ projects that comes with Clang 20 "Honey, I shrunk {fmt}: bringing binary size to 14k and ditching the C++ runtime" Links Join us for the CppCast CppCon Special Previous episodes covering std lib implementations: Stephan T. Lavavej (MSVC) Stephan T. Lavavej and Sy Brand (MSVC) Billy O'Neil (MSVC) Marshall Clow (libc++) Eric Fiselier (libc++) "noexcept affects libstdc++’s unordered_set" - Arthur O'Dwyer Episode with Martin Hořeňovský, discussing non-portal random distribution Episode with Frances Buontempo, also mentioning random numbers and the portable distribution issue "Free Your Functions" (video) - Klaus Iglberger (timed link to the bit that talks about performance) Ben's PSRayTracing repo