Issues

• 💡 Ideas of evolutions for our plugin API before it reaches a release

  dubzzz/fast-check#7236 · Filter by author dubzzz opened on Aug 25, 2026
  1

• Support for regex v flag in fc.stringMatching()

  🚀 Feature Request
  dubzzz/fast-check#6925 · Filter by author aabishkar-uoy opened on May 1, 2026
  6

• entityGraph won't compile when initialPoolConstraints has at least one field

  🐛 Bug Report
  dubzzz/fast-check#6791 · Filter by author jam-awake opened on Mar 27, 2026
  3

• Make it possible to generate objects from other realms

  dubzzz/fast-check#6576 · Filter by author TomerAberbach opened on Feb 8, 2026
  2

• float(), double(), float32Array(), and float64Array() never produce non-canonical NaNs

  🐛 Bug Report
  dubzzz/fast-check#6532 · Filter by author TomerAberbach opened on Feb 3, 2026
  3

• Add .filterMap(...) on arbitraries

  dubzzz/fast-check#6467 · Filter by author TomerAberbach opened on Jan 20, 2026
  3

• Filesystem path arbitrary

  dubzzz/fast-check#6440 · Filter by author dmurvihill opened on Jan 14, 2026
  5

• Make fc.anything({ withBigInt: true, withTypedArray: true }) generate bigint typed arrays

  ✔️ Feature Accepted🚀 Feature Request
  dubzzz/fast-check#6293 · Filter by author TomerAberbach opened on Nov 9, 2025
  2

• examples doesn't play well with fc.context()

  🐛 Bug Report✔️ Feature Accepted🚀 Feature Request
  dubzzz/fast-check#6292 · Filter by author TomerAberbach opened on Nov 9, 2025
  2

• Add fc.float16Array()

  ✔️ Feature Accepted🚀 Feature Request
  dubzzz/fast-check#6244 · Filter by author TomerAberbach opened on Nov 1, 2025
  5

• Make run metadata available during property execution

  🚀 Feature Request💡 Idea to investigate
  dubzzz/fast-check#6197 · Filter by author dmurvihill opened on Oct 9, 2025
  6

• Batch assertion mode support

  dubzzz/fast-check#6195 · Filter by author TomerAberbach opened on Sep 28, 2025
  11

• Tyche/OpenPBTStats support for better observability

  ❌ Feature Rejected🚀 Feature Request
  dubzzz/fast-check#6190 · Filter by author vjjocius opened on Sep 23, 2025
  6

• docs: add @traversable/schema to ecosystem

  dubzzz/fast-check#6186 · Filter by author ahrjarrett opened on Sep 21, 2025
  1

• 🏷️ Add readonly annotations to array arbitraries

  dubzzz/fast-check#6135 · Filter by author dmurvihill opened on Sep 1, 2025
  1

• revisit "actual" and "expected" props on errors

  dubzzz/fast-check#6133 · Filter by author boneskull opened on Aug 29, 2025
  8

• Can't create 100%-defined Options

  ✔️ Bug Confirmed🐛 Bug Report
  dubzzz/fast-check#6062 · Filter by author dmurvihill opened on Jul 20, 2025
  5

• Create size-aware arbitraries for int

  ✔️ Feature Accepted
  dubzzz/fast-check#5098 · Filter by author dubzzz opened on Jul 5, 2024
  2

• Print verbose: 2 execution summary during the run

  💡 Idea to investigate
  dubzzz/fast-check#5086 · Filter by author gruhn opened on Jun 28, 2024
  3

• arrays of streams aren't very random

  ✔️ Bug Confirmed🐛 Bug Report
  dubzzz/fast-check#5054 · Filter by author skybrian opened on Jun 6, 2024
  6

• Allow record to produce readonly properties when provided readonly

  ✔️ Feature Accepted💥 Targeting unplanned major
  dubzzz/fast-check#5008 · Filter by author dubzzz opened on May 21, 2024

• Accept readonly versions of the contraints passed to the arbitraries

  💡 Idea to investigate💥 Targeting unplanned major
  dubzzz/fast-check#5007 · Filter by author dubzzz opened on May 21, 2024
  1

• Connect filter to rejection mechanisms like fc.pre does

  💡 Idea to investigate
  dubzzz/fast-check#4660 · Filter by author dubzzz opened on Jan 29, 2024
  1

• Better typings for record

  💡 Idea to investigate💥 Targeting v5
  dubzzz/fast-check#4570 · Filter by author dubzzz opened on Dec 26, 2023
  8

• Better waitFor on scheduler

  💡 Idea to investigate
  dubzzz/fast-check#4485 · Filter by author dubzzz opened on Nov 27, 2023
  2