I sent email with screen shot,,, still no reply..
Changes & Fixes:
1. Added special graphic effects to Daily Tournament rank and point changes, and point-reward reminders.
2. Adjusted Gems required for Metagame and Guess & Win
3. Increased EXP needed for leveling and the rewards
4. Improved odds for winning in Tournament. Prizes changed to reward redemption.
This is anounced in play.google.com
What does that mean. Would be fine that IGG announce the specific changes
You have the list of updated / adjusted items before you, which seems pretty self explanatory. Further there is currently no in game announcements feature, so the information was shared via the means possible.