Issues

• Add optional insertion-order preservation for crow::json::wvalue

  help wanted
  Feature

  CrowCpp/Crow#1255 · Filter by author BiradarSiddhant02 opened on Sep 29, 2026
  2

• WebSocket server accepts reserved opcodes, fragmented/oversized control frames, and RSV bits

  Bug

  CrowCpp/Crow#1251 · Filter by author K-ANOY opened on Sep 28, 2026

• Risk of a data race in mustache::set_loader() when called concurrently with mustache::load_text()

  CrowCpp/Crow#1246 · Filter by author jwolak opened on Sep 17, 2026

• Potential hash-collision CPU amplification in request-field maps

  discussion
  Feature

  CrowCpp/Crow#1239 · Filter by author K-ANOY opened on Sep 13, 2026
  3

• Construction of Connection and creation of FD starts too early

  Feature

  CrowCpp/Crow#1218 · Filter by author aonq opened on Aug 11, 2026

• Mustache template dir is set statically but in each request

  Bug

  CrowCpp/Crow#1189 · Filter by author gittiver opened on Jun 2, 2026
  1

• File Descriptor Leak Reaching Soft Limit with DDoS Requests

  discussion
  Feature

  CrowCpp/Crow#1188 · Filter by author aonq opened on May 29, 2026
  10

• [Feature Request] Support path parameters injection in CROW_WEBSOCKET_ROUTE's onaccept handler

  Feature

  CrowCpp/Crow#1178 · Filter by author zxq89 opened on Apr 15, 2026
  2

• How close the listening socket in the child process?

  discussion
  Feature

  CrowCpp/Crow#1158 · Filter by author 2UTM opened on Mar 10, 2026
  4

• CMake Error: ALIAS target "Boost::system" name collision when using vcpkg and FetchContent

  Feature

  CrowCpp/Crow#1129 · Filter by author krmi opened on Dec 19, 2025
  4

• Feature Request: WebSocket Upgrade Extension Point/Hook

  Feature

  CrowCpp/Crow#1106 · Filter by author romrani-onit opened on Oct 21, 2025

• Websocket: Message is not send when closing connection

  discussion
  Bug

  CrowCpp/Crow#1098 · Filter by author autoantwort opened on Sep 30, 2025
  3

• Http protocol support: Range and If-Modified-Since

  Feature

  CrowCpp/Crow#1084 · Filter by author bit-garden opened on Aug 28, 2025
  2

• Use NTTP in C++20 as a replacement for macros like CROW_ROUTE

  Feature

  CrowCpp/Crow#1075 · Filter by author Rucadi opened on Aug 12, 2025
  5

• Support for Streaming Large File Uploads (GB-level) in Crow 1.2.0 (C++14 Environment)

  question
  Feature

  CrowCpp/Crow#1064 · Filter by author elecfreaks1 opened on Jul 21, 2025
  2

• Unexpected Change in res.is_completed() Behavior in Crow 1.2.1.2

  discussion
  Bug

  CrowCpp/Crow#1059 · Filter by author MESURF88 opened on Jul 15, 2025
  2

• Multipart parsing fails when final boundary lacks CRLF, contrary to RFC 2046

  good first issuehelp wanted
  Feature

  CrowCpp/Crow#1040 · Filter by author eleflea opened on May 20, 2025
  14

• maldeclabs × Infinity Engine – Showcase

  documentationgood first issue
  Task

  CrowCpp/Crow#1033 · Filter by author rem0obb opened on May 12, 2025
  2

• Streaming response as chunked transfer encoding

  Feature

  CrowCpp/Crow#1013 · Filter by author vicmassy opened on Mar 26, 2025
  3

• Local Middleware Not Working with route_dynamic in Crow

  discussion
  CrowCpp/Crow#933 · Filter by author rem0obb opened on Oct 28, 2024

• How to implement the Open API server generation feature?

  question
  CrowCpp/Crow#912 · Filter by author Rz-Rz opened on Oct 8, 2024
  3

• Multipart processing existence of memory leakage

  discussion
  CrowCpp/Crow#903 · Filter by author fish-jade opened on Sep 27, 2024
  4

• Segfault while processing a mustache template

  discussion
  Bug

  CrowCpp/Crow#899 · Filter by author GEOEGII555 opened on Sep 11, 2024
  4

• MJPEG support within crow

  discussionquestion
  Feature

  CrowCpp/Crow#890 · Filter by author Rz-Rz opened on Sep 5, 2024
  3

• Crow causes process hang after main() successfully exits if run_async() future not waited on and a Crow route calls notify_all() on a std::condition_variable, with 1.2, master

  discussion
  Bug

  CrowCpp/Crow#849 · Filter by author twfry opened on Jul 11, 2024
  2