jump back does not work

[YongcaiHuang]

Description

jump back command does not work in notebook across different cells. It works in .py file but not in ipynb

script.mp4

notebook.mp4

Reproduce

• create variable or function in a cell
• write the created variable or function in another cell
• jump to definition (works)
• jump back (does not work)

Expected behavior

successfully jump back to previous location across different cells

Context

• Operating System and version: macOS Sequoia 15.0.1
• Browser and version: edge 130.0.2849.56
• JupyterLab version: 4.3.0
• Language server and version: 5.1.0

Required: installed server extensions

    jupyter_lsp enabled
    - Validating jupyter_lsp...
      jupyter_lsp 2.2.5 OK
    jupyter_resource_usage enabled
    - Validating jupyter_resource_usage...
      jupyter_resource_usage 1.1.0 OK
    jupyter_server_terminals enabled
    - Validating jupyter_server_terminals...
      jupyter_server_terminals 0.5.3 OK
    jupyterlab_spellchecker enabled
    - Validating jupyterlab_spellchecker...
      jupyterlab_spellchecker 0.8.4 OK
    jupyterlab enabled
    - Validating jupyterlab...
      jupyterlab 4.3.0 OK
    jupyterlab_code_formatter enabled
    - Validating jupyterlab_code_formatter...
      jupyterlab_code_formatter 3.0.2 OK
    jupyterlab_jupytext enabled
    - Validating jupyterlab_jupytext...
Extension package jupyterlab_jupytext took 0.1096s to import
      jupyterlab_jupytext  OK
    nbclassic enabled
    - Validating nbclassic...
A `_jupyter_server_extension_points` function was not found in nbclassic. Instead, a `_jupyter_server_extension_paths` function was found and will be used for now. This function name will be deprecated in future releases of Jupyter Server.
      nbclassic 1.1.0 OK
    notebook_shim enabled
    - Validating notebook_shim...
      notebook_shim  OK
    panel.io.jupyter_server_extension enabled
    - Validating panel.io.jupyter_server_extension...
Extension package panel.io.jupyter_server_extension took 0.4300s to import
      panel.io.jupyter_server_extension  OK
    voila.server_extension enabled
    - Validating voila.server_extension...
      voila.server_extension  OK

Required: installed lab extensions

        jupyterlab-jupytext v1.4.3 enabled OK (python, jupytext)
        jupyterlab-rainbow-brackets v0.1.0 enabled OK (python, jupyterlab_rainbow_brackets)
        jupyterlab_pygments v0.3.0 enabled OK (python, jupyterlab_pygments)
        jupyter-matplotlib v0.11.4 enabled OK
        spreadsheet-editor v0.7.2 enabled OK (python, jupyterlab-spreadsheet-editor)
        jupyterlab-execute-time v3.2.0 enabled OK (python, jupyterlab_execute_time)
        jupyterlabcodetoc v4.0.1 enabled OK (python, jupyterlabcodetoc)
        jupyterlab_code_formatter v3.0.2 enabled OK (python, jupyterlab_code_formatter)
        jupyterlab-cell-flash v0.4.0 enabled OK (python, jupyterlab-cell-flash)
        @jupyter-server/resource-usage v1.1.0 enabled OK (python, jupyter-resource-usage)
        @bokeh/jupyter_bokeh v4.0.5 enabled OK (python, jupyter_bokeh)
        @pyviz/jupyterlab_pyviz v3.0.3 enabled OK
        @jupyter-lsp/jupyterlab-lsp v5.1.0 enabled OK (python, jupyterlab-lsp)
        @jupyterlab-contrib/spellchecker v0.8.4 enabled OK (python, jupyterlab-spellchecker)
        @lckr/jupyterlab_variableinspector v3.2.4 enabled  X (python, lckr_jupyterlab_variableinspector)
        @voila-dashboards/jupyterlab-preview v2.3.8 enabled OK (python, voila)
        @jupyter-widgets/jupyterlab-manager v5.0.13 enabled OK (python, jupyterlab_widgets)
        @ouyangde1/jupyterlab-spreadsheet v0.4.2 enabled OK