File Uploader migration guides

Breaking changes are introduced in the following versions. Please refer to the migration guides to update your code:

• v1.x
• v0.49.0
• v0.47.0
• v0.45.0
• v0.44.0
• v0.40.0
• v0.39.0
• v0.38.0
• v0.32.0
• v0.25.0