I’m still running into this occasionally, including in GW today. It can really swing a game in the wrong direction. Freeze was not a factor at all in this match. Playing on PC at 4x speed.
I matched 3 to drop a brown gem into a 4x match I really didn’t need, but wanted to keep from my opponent. Then I didn’t get an extra turn and my opponent’s dwarves took out my Draakulis, who was loaded and ready to take out 3/4 of them (including the dwarf that killed him). Instead I ended up barely pulling out a win with just one troop left, and that was lucky.
This is a core rule of the game that should work EVERY TIME - if you match 4 or 5 gems and are not frozen, you get an extra turn.
G B P P
G Y G P
P G Y G
B Y B B
Above represents Gems, Y for yellow, B for brown and so forth. I matched the 3x yellow to drop the brown gem in for a 4x match, then did not get an extra turn.