Release Notes

March 14th, 2026

• Bumped Qiskit version to 2.3.1.

October 26th, 2025

• You can now find error messages on the submission detail page (UME, UGE, RE).

September 21st, 2025

• Bumped Qiskit version to 2.2.0.

July 18th, 2025

• Bumped Qiskit version to 2.1.1.

February 1st, 2025

• We have added a discussion page for users to exchange information!
• Bumped Python version to 3.13.
• Bumped Qiskit version to 1.3.2.

October 20th, 2024

• You can now add ancilla qubits to your circuit. (Can I add extra qubits to the circuit?)
• Bumped Qiskit version to 1.2.

August 18th, 2024

• You can no longer import gates other than the standard_gates. (What libraries and modules can you use?)

August 15th, 2024

• Update the Announcements page.

August 3rd, 2024

• Introduce this page (Release Notes).
• Support English, and introduce a dropdown for switching languages.
• QCoder now displays the date and time in the client's local timezone.
• Introduce All Submissions page. You can now view other users' submissions after the contest.
• Update the Qiskit version to 1.1.1.
• Support the use of numpy and scipy in the submission. (Available library list)
• Add a link to the YouTube channel in the footer.