New in 5.74:
• Google Groups hidden issue fixed
• Missed calls counter not reseting issue fixed
• Performance improvements

New in 5.73:
• Dual SIM improvements

New in 5.72:
• 3 new amazing themes! Check them out at Settings > Themes

New in 5.71:
• Identify unrecognized numbers in sms history

New in 5.70:
• Stickers & gifs! you can now attach rich media to sms messages using a supported keyboard (e.g. Gboard)
• Battery usage improvements

++ Cheers from the Contacts+ team ++