4.29.5 - Update Mobile Mode and UC Mode

Update Mobile Mode and UC Mode

• Allow Mobile Mode "device_pixel_ratio" to use floats
  --> This resolves #2985
• Update UC Mode
  --> This resolves #2986
• Update examples
• Update the UC Mode docs

What's Changed

• Update Mobile Mode and UC Mode by @mdmintz in #2987

Full Changelog: v4.29.4...v4.29.5