Emulator

What's the problem? Describe what went wrong in few words.
There is no donation button anywhere in dolphin nor on dolphin-emu.org

What did you expect to happen instead?
A paypal, stripe or bitcoin adress for example to help devs which are making an amazing job !

What steps will reproduce the problem?
[Don't assume we have ever played the game and know any level names. Be as
specific as possible.]
1.Start dolphin or go on dolphin-emu.org
2.Search for a donate button
3.Wonder if there is any

Dolphin 3.5 and 3.5-367 are old versions of Dolphin that have
known issues and bugs, so don't report issues about them and test the
latest Dolphin version first.
Which versions of Dolphin did you test on?
4.0-1871

Does using an older version of Dolphin solve your issue? If yes, which
versions of Dolphin used to work?
No.

What are your PC specifications? (including, but not limited to: Operating
System, CPU and GPU)

OS
Debian Sid with free radeon drivers.
Processeur CPU
Intel Core i7 920 @ 2.67GHz
Technologie Bloomfield 45nm
RAM
4,00 Go Canal-Triple DDR3 @ 534 MHz (8-8-8-20)
Carte mère Mothercard
ASUSTeK Computer INC. P6T (LGA1366)
Graphiques
PL2409HD (1920x1080@60Hz)
SyncMaster (1280x1024@60Hz)
ATI Radeon HD 5800 Series (XFX Pine Group)
Disques durs HDD/SSD
932 Go SAMSUNG HD103SJ ATA Device (SATA)
112 Go Corsair Force 3 SSD SCSI Disk Device (SSD)
224 Go INTEL SS DSC2CT240A3 SCSI Disk Device (SSD)
Disques optiques
SJE 6RGDM3K5MZK SCSI CdRom Device
HL-DT-ST BD-RE BH08LS20 ATA Device
Audio
Creative X-Fi Audio Processor (WDM)

Are you using the 32 or the 64 bit version of Dolphin?
64

Is there any other relevant information? (e.g. logs, screenshots,
configuration files)
No