I am able to 2-finger zoom with 5% step with Thinkpad T520
Win 7 Pro 64-bit Version: 6.0.0.0.alpha0+ (x64) Build ID: 41b7713334351d7cc455eef5241bd3988b9d1e94 CPU threads: 4; OS: Windows 6.1; UI render: default; TinderBox: Win-x86_64@42, Branch:master, Time: 2017-09-13_22:53:00 Locale: fi-FI (fi_FI); Calc: CL
I am able to 2-finger zoom with 5% step with Thinkpad T520
Win 7 Pro 64-bit Version: 6.0.0.0.alpha0+ (x64) cc455eef5241bd3 988b9d1e94
Build ID: 41b7713334351d7
CPU threads: 4; OS: Windows 6.1; UI render: default;
TinderBox: Win-x86_64@42, Branch:master, Time: 2017-09-13_22:53:00
Locale: fi-FI (fi_FI); Calc: CL