Overview
Panel 1.4, released on April 10, 2024, improves reactive expressions and adds new widgets.
Main Features
Reactive expressions
Reactive expressions (pn.rx) let you create declarative transformation pipelines bound to widgets.
python
import panel as pn
pn.extension()
slider = pn.widgets.IntSlider(name='x', value=5, end=20)
result = pn.rx(slider) * 2
pn.Column(slider, result).servable()New widgets
New interactive widgets expand the palette available for dashboards.
python
import panel as pn
pn.extension()
text = pn.widgets.TextAreaInput(name='Notes', height=200)
btn = pn.widgets.Button(name='Submit', button_type='primary')
pn.Column(text, btn).servable()