For everyone who can't go through the shinra mansion in Nibelheim:
1. Run for your life in the first battle.
2. DON'T, just don't poison the captain, he will be bugged and you can't win.
This patch is a little bit harder in terms of bosses, but, the mobs are easy easy. You have more HP and PM so you can even summon in random fights. The proof is that I can win the first Square Battle without any problem when in 1.35 I can't even passed the third round.
Another example: Godo's boss Fight.
I thought that he only casts you confuse, so I gear myself in order to counter that, but, I have been rekt by his Frog song, slow and aqualungs attack. Then, I crashed to another wall in form of counter attack for the enemy part when he is about 6.000HP where he heals up about 1200 HP. So my strategy was: Big guard in order to reflect him all the slow and frog stuff, and when the boss was about 6000HP, summon Titan to reduces his counter healing attack, in the end I defeated it.
In the 1.35 version the boss don't cast you Aqualung, slow or frog song, only Trino which is walled by Magic Barrier. Ah, his physicall attacks fails always and the healing is not so much in comparation of the damage you deal. So, the 1.35 is easier, but only because he didn't need any strategy.
So, if the game is harder but only because you have to think means that it's well designed.
Cheers!