Issues

• [Bug Report] LunarLander-v3 leg contact flag turns off when a leg slides onto the next ground segment (BipedalWalker-v3 too)

  Farama-Foundation/Gymnasium#1795 · Filter by author saadhilalai opened on Oct 21, 2026
  3

• [Bug Report] MultiDiscrete accepts ranges outside its integer dtype

  Farama-Foundation/Gymnasium#1791 · Filter by author wpyaoxueros opened on Oct 18, 2026

• Python 3.15 Support

  help wanted
  Farama-Foundation/Gymnasium#1782 · Filter by author jkterry1 opened on Oct 14, 2026
  2

• [Bug Report] Vector info silently truncates numeric values depending on environment order

  Farama-Foundation/Gymnasium#1763 · Filter by author aalquwayfili opened on Oct 8, 2026

• [Bug Report] Sequence(stack=True).contains raises for non-batch inputs instead of returning False

  Farama-Foundation/Gymnasium#1754 · Filter by author JoeyTan21 opened on Oct 6, 2026

• [Bug Report] OneOf.to_jsonable / from_jsonable fail for Dict and Tuple subspaces

  Farama-Foundation/Gymnasium#1750 · Filter by author Zhuoxi2000 opened on Oct 4, 2026
  1

• MultiBinary probability-zero sampling can select a bit at a zero uniform draw

  Farama-Foundation/Gymnasium#1745 · Filter by author AHMETHAKANBEZIR1 opened on Oct 2, 2026

• MultiDiscrete flatten fails for valid uint64 samples

  Farama-Foundation/Gymnasium#1738 · Filter by author AHMETHAKANBEZIR1 opened on Oct 1, 2026

• MultiDiscrete masked sampling loses large uint64 start offsets

  Farama-Foundation/Gymnasium#1736 · Filter by author AHMETHAKANBEZIR1 opened on Oct 1, 2026

• [Proposal] Document sensitivity of InvertedDoublePendulum to tiny numerical differences in long-horizon trajectory comparisons

  enhancement
  Farama-Foundation/Gymnasium#1720 · Filter by author HadushHailu opened on Sep 19, 2026
  4

• [Bug Report] DiscretizeObservation collapses narrow Box ranges into the first bin

  Farama-Foundation/Gymnasium#1716 · Filter by author HaokaiDing opened on Sep 16, 2026
  1

• [Bug Report] gymnasium[torch] and gymnasium[jax] install conversion wrappers that fail to import: No module named 'packaging'

  Farama-Foundation/Gymnasium#1701 · Filter by author caiotheodoro opened on Sep 12, 2026

• Python 3.15 Support

  Farama-Foundation/Gymnasium#1686 · Filter by author jkterry1 opened on Sep 4, 2026
  1

• MujocoEnv-Contribution Proposal

  enhancement
  Farama-Foundation/Gymnasium#1611 · Filter by author Texas-rgb opened on Jul 3, 2026

• Port all environments from box2d to pymunk

  help wanted
  Farama-Foundation/Gymnasium#1597 · Filter by author jkterry1 opened on Jun 24, 2026
  14

• [Bug Report] Robot arm penetrates objects in the Pusher-v5 environmen

  bug
  Farama-Foundation/Gymnasium#1576 · Filter by author thanhminh97 opened on Apr 30, 2026
  1

• [Proposal] Add fully tunable transition dynamics (including deterministic mode) to LunarLander

  enhancement
  Farama-Foundation/Gymnasium#1559 · Filter by author maxanisimov opened on Apr 21, 2026
  6

• Convergence failure in custom environment: Is this a timestep termination bug?

  Farama-Foundation/Gymnasium#1495 · Filter by author Negentropy-Architect opened on Dec 15, 2025
  2

• [MuJoCo] Question about OpenGL rendering size

  Farama-Foundation/Gymnasium#1482 · Filter by author tlpss opened on Nov 11, 2025
  4

• [Proposal] Make the Tuple space a generic class

  enhancement
  Farama-Foundation/Gymnasium#1476 · Filter by author AlexPasqua opened on Nov 5, 2025

• [Proposal] Add native support for chunked (N-step) rewards and statistics wrappers in Gymnasium

  enhancement
  Farama-Foundation/Gymnasium#1463 · Filter by author Revivekirin opened on Oct 11, 2025
  1

• [Question] On the Redundancy of Discrete Spaces: Could MultiDiscrete Supersede Discrete and MultiBinary?

  question
  Farama-Foundation/Gymnasium#1448 · Filter by author initsownright opened on Sep 13, 2025

• [Question] How is np_random set for AsyncVectorEnvs and why does the generator change?

  question
  Farama-Foundation/Gymnasium#1435 · Filter by author Daraan opened on Aug 26, 2025
  3

• [Bug Report] could supply proto file for java scala golang could use Gymnasium

  bug
  Farama-Foundation/Gymnasium#1425 · Filter by author mullerhai opened on Aug 5, 2025
  2

• [Question] Inverse Pendulum v5 init state all 0 but Pendulum falls down

  question
  Farama-Foundation/Gymnasium#1403 · Filter by author ruiming-wu opened on Jun 11, 2025
  2