Sinvaders
Very poor excuse.
It's just one more reason to take the time before pushing a patch.
The game have been living years without real additions, players can wait for things to be tested.
How long are you willing to wait?
Seriously, some changes are in test for a month or two. And after that time it is normal that Tamarea _begs_ to have at least one test report for each platform. While, by me, the reasonable minimum should be 15 (3 platforms x 5 languages). I see 51 names in the Testing team. Yes, not everyone is a tester, there are members of other teams who want or need to observe. But don't tell me it is 90%.
Testing is not much fun. It is long and repetitive work, even with testing tools (that DEVs develop along the way). It requires active attitude, it requires you to think in wide context. And it requires good knowledge of the game. Testing is not "do and forget". You need to come back to see if issues you have found were solved. And then you re-test it again, every single issue fix. While you look for any new regressions. And once someone decide it is good enough, it must all be tested again. And after it is released, you test it again. You must keep track of player issues and when those issues are solved somehow, the process starts again. Testing, re-testing, final testing and post-patch testing. And don't forget unofficial testing/helping aside the process, because all development time non-DEV can save, DEVs can use to work on something else.
And now, think about the fact that the Testing team is, as it looks to me, an usual start point for new volunteers. A volunteer comes to the team, learns basics, complete some testing in one or two patch cycles. And then simply leave, because it is as described above. Or find another place for himself/herself in another team. Or another team pull that volunteer for own projects - the lack of members is a problem for most of teams. And that volunteer has no or just a little time or will for any more future testing.
Yes you are right, testing is not the only problem and I personally do not understand why there is so rush with (some) changes when, by me, it is not ready to release yet. But it always ends with the testing. And we need much more testers than 2.5 or whats the average per change :/