Version 0.15.0

Panel Material UI 0.15.0 introduces Material UI implementations of the Player, DiscretePlayer, FileSelector, and ColorMap widgets. The release also adds universal support for Material UI icon tokens in text, exposes consistent size controls and aligned margins across widgets, ensures DatePicker and DatetimePicker preserve partial entries, and adds conda packaging to the pyviz channel.

Many thanks to @philippjfr for his contributions to this release.

🆕 New Widgets

• Add Player and DiscretePlayer widgets (#721)
• Add FileSelector widget (#722)
• Add ColorMap widget (#725)

🔧 Enhancements

• Add universal support for :material/...: icons in text (#723)
• Expose size controls and align margins across widgets (#727)

🐛 Bug Fixes

• Ensure DatePicker and DatetimePicker do not clear on partial entry (#720)
• Ensure ColorMap widget menu closes (#729)
• Respect global Material design if it's a subclass (#730)

🧪 Infrastructure & Developer Experience

• Configure conda build to upload to the pyviz channel (#728)