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[DISCUSS] Add a Session Management infrastructure for extension developers

enhancement

Status: Open.

#122 In jupyter-server/jupyter_server;

· echarles opened on Oct 21, 2019

HTTP/3 or QUIC support?

enhancement

Status: Open.

#927 In jupyter-server/jupyter_server;

· photocyte opened on Jul 18, 2022

Send user to custom URL

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1526

#1526 In jupyter-server/jupyter_server;

· Roy-Orbison opened on May 21, 2025

Add more informative error message when opening notebook and disk is full

enhancement

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1444

#1444 In jupyter-server/jupyter_server;

· nmdanny opened on Jul 24, 2024

Deprecated kernel_id param in GatewayKernelClient init()

enhancement

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1603

#1603 In jupyter-server/jupyter_server;

· vincentye38 opened on Feb 19, 2026

fix Can't open a directory named checkpoints #12408

Status: Open (in progress).

jupyter-server/jupyter_servernumber 947

#947 In jupyter-server/jupyter_server;

· eastonsuo opened on Aug 17, 2022

add metric for kernel restarts

enhancement

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1241

#1241 In jupyter-server/jupyter_server;

· minrk opened on Mar 22, 2023

Parameterized kernel specs

enhancement

feature

Status: Draft (not ready).

jupyter-server/jupyter_servernumber 1431

#1431 In jupyter-server/jupyter_server;

· AnastasiaSliusar opened on Jun 12, 2024

extensions_manager: add extension_web_apps interface

enhancement

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1469

#1469 In jupyter-server/jupyter_server;

· oliver-sanders opened on Nov 4, 2024

Improve local URL detection

bug

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1525

#1525 In jupyter-server/jupyter_server;

· Roy-Orbison opened on May 21, 2025

feat:support nbmodel

enhancement

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1535

#1535 In jupyter-server/jupyter_server;

· dualc opened on Jun 24, 2025

Added extra_env in terminado_settings

enhancement

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1543

#1543 In jupyter-server/jupyter_server;

· Rishab87 opened on Jul 18, 2025

Fix when base_url is used in combination with a gateway client

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1550

#1550 In jupyter-server/jupyter_server;

· brianjball opened on Aug 11, 2025

New Kernels API leveraging the kernel client abstraction for kernel comms

enhancement

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1570

#1570 In jupyter-server/jupyter_server;

· Zsailer opened on Nov 13, 2025

[WIP] Handle IOPub welcome message for JEP#65

Status: Draft (not ready).

jupyter-server/jupyter_servernumber 1582

#1582 In jupyter-server/jupyter_server;

· IsabelParedes opened on Dec 15, 2025

optimize: NAS storage I/O in /api/contents get handler, reduce redund…

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1589

#1589 In jupyter-server/jupyter_server;

· cyneck opened on Jan 9, 2026

Implement get_checkpoint to allow content retrieval without restoration

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1592

#1592 In jupyter-server/jupyter_server;

· mariam851 opened on Jan 22, 2026

Support running kernels in multiple locations (locally or remote) simultaneously.

enhancement

Status: Draft (not ready).

jupyter-server/jupyter_servernumber 1601

#1601 In jupyter-server/jupyter_server;

· ojarjur opened on Feb 14, 2026

Fix name when copying filenames/directories containing "-Copy"

bug

Status: Draft (not ready).

jupyter-server/jupyter_servernumber 1604

#1604 In jupyter-server/jupyter_server;

· RRosio opened on Feb 24, 2026

Add support for renaming kernelspecs on the fly.

enhancement

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1267

#1267 In jupyter-server/jupyter_server;

· ojarjur opened on May 2, 2023

Fix notebook URL opened in browser when redirect file not used

bug

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1326

#1326 In jupyter-server/jupyter_server;

· randomir opened on Sep 18, 2023

proposal: add subprotocol for token-authenticated websockets

enhancement

Status: Draft (not ready).

jupyter-server/jupyter_servernumber 1407

#1407 In jupyter-server/jupyter_server;

· minrk opened on Mar 14, 2024

Strawman API Docs

enhancement

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1419

#1419 In jupyter-server/jupyter_server;

· bollwyvl opened on May 3, 2024

Add support of using custom env variables

enhancement

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1448

#1448 In jupyter-server/jupyter_server;

· AnastasiaSliusar opened on Aug 1, 2024

Support optional hash output in save method

enhancement

Status: Open (in progress).

jupyter-server/jupyter_servernumber 1454

#1454 In jupyter-server/jupyter_server;

· itsmevichu opened on Aug 20, 2024