Cant open ipynb files in hidden folders/folders starting with period in name

[MacxFlash]

Description of your problem

What steps will reproduce the problem?

1. Cant open files .ipynb from folders starting with period ex ".spyder" or hidden files
2. Even if i save a new .ipynb file inside a folder starting with period i will end up getting file does not exist

What is the expected output? What do you see instead?
older Spyder version can access hidden folder/file/ names with period at the start

Please provide any additional information below (stack trace, screenshots, a gif, etc)

Versions and main components

Python 3.11.7 64-bit | Qt 5.15.2 | PyQt5 5.15.10 | Windows 10 (AMD64)

• Spyder Version: 5.4.3 (conda)
• Python Version: 3.11.7
• Qt Version: 5.15.2
• PyQt Version: 5.15.1
• Jupyter Notebook Version:
• Operating system: Windows 10 (AMD64)

Dependencies

Please go to the menu entry Help > Optional Dependencies (or
Help > Dependencies), press the button Copy to clipboard
and paste the contents below:

Mandatory:

atomicwrites >=1.2.0 : 1.4.0 (OK)
chardet >=2.0.0 : 4.0.0 (OK)
cloudpickle >=0.5.0 : 2.2.1 (OK)
cookiecutter >=1.6.0 : 2.5.0 (OK)
diff_match_patch >=20181111 : 20200713 (OK)
intervaltree >=3.0.2 : 3.1.0 (OK)
IPython >=8.13.0,<9.0.0,!=8.17.1 : 8.20.0 (OK)
jedi >=0.17.2,<0.20.0 : 0.18.1 (OK)
jellyfish >=0.7 : 1.0.1 (OK)
jsonschema >=3.2.0 : 4.19.2 (OK)
keyring >=17.0.0 : 23.13.1 (OK)
nbconvert >=4.0 : 7.10.0 (OK)
numpydoc >=0.6.0 : 1.5.0 (OK)
paramiko >=2.4.0 : 2.8.1 (OK)
parso >=0.7.0,<0.9.0 : 0.8.3 (OK)
pexpect >=4.4.0 : 4.8.0 (OK)
pickleshare >=0.4 : 0.7.5 (OK)
psutil >=5.3 : 5.9.0 (OK)
pygments >=2.0 : 2.15.1 (OK)
pylint >=2.5.0,<3.1 : 2.16.2 (OK)
pylint_venv >=3.0.2 : 3.0.3 (OK)
pyls_spyder >=0.4.0 : 0.4.0 (OK)
pylsp >=1.10.0,<1.11.0 : 1.10.0 (OK)
pylsp_black >=2.0.0,<3.0.0 : 2.0.0 (OK)
qdarkstyle >=3.2.0,<3.3.0 : 3.2.3 (OK)
qstylizer >=0.2.2 : 0.2.2 (OK)
qtawesome >=1.2.1 : 1.2.2 (OK)
qtconsole >=5.5.1,<5.6.0 : 5.5.1 (OK)
qtpy >=2.1.0 : 2.4.1 (OK)
rtree >=0.9.7 : 1.0.1 (OK)
setuptools >=49.6.0 : 68.2.2 (OK)
sphinx >=0.6.6 : 5.0.2 (OK)
spyder_kernels >=2.5.0,<2.6.0 : 2.5.0 (OK)
textdistance >=4.2.0 : 4.2.1 (OK)
three_merge >=0.1.1 : 0.1.1 (OK)
watchdog >=0.10.3 : 2.1.6 (OK)
zmq >=22.1.0 : 24.0.1 (OK)

Optional:

cython >=0.21 : None (NOK)
matplotlib >=3.0.0 : 3.8.0 (OK)
numpy >=1.7 : 1.26.4 (OK)
pandas >=1.1.1 : 2.1.4 (OK)
scipy >=0.17.0 : 1.11.4 (OK)
sympy >=0.7.3 : 1.12 (OK)

Spyder plugins:

spyder_notebook.notebookplugin 0.4.1 : 0.4.1 (OK)

[jitseniesen]

Thanks for your report. I am in the process of updating the plugin now to work with recent release of Jupyter and the upcoming release of Spyder, which is not as straightforward as I had hoped. I will check your issue afterwards.