If you mean like this it still works by creating an “.action” file.
Copy paste this in a text file and name it something like “blendingmodes.action” and place it in your krita resource folder in the subfolder named “actions”. Change the <iconText> tag for whichever you wanna change.
<?xml version="1.0" encoding="UTF-8"?>
<ActionCollection version="2" name="Krita">
<Actions category="Blending Modes">
<text>Blending Modes</text>
<Action name="Next Blending Mode">
<icon/>
<text>Next Blending Mode</text>
<whatsThis/>
<toolTip>Next Blending Mode</toolTip>
<iconText>Next Blending Mode</iconText>
<shortcut>Alt+Shift++</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Previous Blending Mode">
<icon/>
<text>Previous Blending Mode</text>
<whatsThis/>
<toolTip>Previous Blending Mode</toolTip>
<iconText>Previous Blending Mode</iconText>
<shortcut>Alt+Shift+-</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Normal Blending Mode">
<icon/>
<text>Select Normal Blending Mode</text>
<whatsThis/>
<toolTip>Select Normal Blending Mode</toolTip>
<iconText>Select Normal Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+N</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Dissolve Blending Mode">
<icon/>
<text>Select Dissolve Blending Mode</text>
<whatsThis/>
<toolTip>Select Dissolve Blending Mode</toolTip>
<iconText>Select Dissolve Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+I</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Behind Blending Mode">
<icon/>
<text>Select Behind Blending Mode</text>
<whatsThis/>
<toolTip>Select Behind Blending Mode</toolTip>
<iconText>Select Behind Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+Q</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Clear Blending Mode">
<icon/>
<text>Select Clear Blending Mode</text>
<whatsThis/>
<toolTip>Select Clear Blending Mode</toolTip>
<iconText>Select Clear Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+R</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Darken Blending Mode">
<icon/>
<text>Select Darken Blending Mode</text>
<whatsThis/>
<toolTip>Select Darken Blending Mode</toolTip>
<iconText>Select Darken Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+K</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Multiply Blending Mode">
<icon/>
<text>Select Multiply Blending Mode</text>
<whatsThis/>
<toolTip>Select Multiply Blending Mode</toolTip>
<iconText>Select Multiply Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+M</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Color Burn Blending Mode">
<icon/>
<text>Select Color Burn Blending Mode</text>
<whatsThis/>
<toolTip>Select Color Burn Blending Mode</toolTip>
<iconText>Select Color Burn Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+B</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Linear Burn Blending Mode">
<icon/>
<text>Select Linear Burn Blending Mode</text>
<whatsThis/>
<toolTip>Select Linear Burn Blending Mode</toolTip>
<iconText>Select Linear Burn Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+A</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Lighten Blending Mode">
<icon/>
<text>Select Lighten Blending Mode</text>
<whatsThis/>
<toolTip>Select Lighten Blending Mode</toolTip>
<iconText>Select Lighten Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+G</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Screen Blending Mode">
<icon/>
<text>Select Screen Blending Mode</text>
<whatsThis/>
<toolTip>Select Screen Blending Mode</toolTip>
<iconText>Select Screen Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+S</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Color Dodge Blending Mode">
<icon/>
<text>Select Color Dodge Blending Mode</text>
<whatsThis/>
<toolTip>Select Color Dodge Blending Mode</toolTip>
<iconText>Select Color Dodge Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+D</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Linear Dodge Blending Mode">
<icon/>
<text>Select Linear Dodge Blending Mode</text>
<whatsThis/>
<toolTip>Select Linear Dodge Blending Mode</toolTip>
<iconText>Select Linear Dodge Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+W</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Overlay Blending Mode">
<icon/>
<text>Select Overlay Blending Mode</text>
<whatsThis/>
<toolTip>Select Overlay Blending Mode</toolTip>
<iconText>Select Overlay Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+O</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Hard Overlay Blending Mode">
<icon/>
<text>Select Hard Overlay Blending Mode</text>
<whatsThis/>
<toolTip>Select Hard Overlay Blending Mode</toolTip>
<iconText>Select Hard Overlay Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+P</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Soft Light Blending Mode">
<icon/>
<text>Select Soft Light Blending Mode</text>
<whatsThis/>
<toolTip>Select Soft Light Blending Mode</toolTip>
<iconText>Select Soft Light Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+F</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Hard Light Blending Mode">
<icon/>
<text>Select Hard Light Blending Mode</text>
<whatsThis/>
<toolTip>Select Hard Light Blending Mode</toolTip>
<iconText>Select Hard Light Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+H</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Vivid Light Blending Mode">
<icon/>
<text>Select Vivid Light Blending Mode</text>
<whatsThis/>
<toolTip>Select Vivid Light Blending Mode</toolTip>
<iconText>Select Vivid Light Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+V</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Linear Light Blending Mode">
<icon/>
<text>Select Linear Light Blending Mode</text>
<whatsThis/>
<toolTip>Select Linear Light Blending Mode</toolTip>
<iconText>Select Linear Light Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+J</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Pin Light Blending Mode">
<icon/>
<text>Select Pin Light Blending Mode</text>
<whatsThis/>
<toolTip>Select Pin Light Blending Mode</toolTip>
<iconText>Select Pin Light Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+Z</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Hard Mix Blending Mode">
<icon/>
<text>Select Hard Mix Blending Mode</text>
<whatsThis/>
<toolTip>Select Hard Mix Blending Mode</toolTip>
<iconText>Select Hard Mix Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+L</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Difference Blending Mode">
<icon/>
<text>Select Difference Blending Mode</text>
<whatsThis/>
<toolTip>Select Difference Blending Mode</toolTip>
<iconText>Select Difference Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+E</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Exclusion Blending Mode">
<icon/>
<text>Select Exclusion Blending Mode</text>
<whatsThis/>
<toolTip>Select Exclusion Blending Mode</toolTip>
<iconText>Select Exclusion Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+X</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Hue Blending Mode">
<icon/>
<text>Select Hue Blending Mode</text>
<whatsThis/>
<toolTip>Select Hue Blending Mode</toolTip>
<iconText>Select Hue Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+U</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Saturation Blending Mode">
<icon/>
<text>Select Saturation Blending Mode</text>
<whatsThis/>
<toolTip>Select Saturation Blending Mode</toolTip>
<iconText>Select Saturation Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+T</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Color Blending Mode">
<icon/>
<text>Select Color Blending Mode</text>
<whatsThis/>
<toolTip>Select Color Blending Mode</toolTip>
<iconText>Select Color Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+C</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
<Action name="Select Luminosity Blending Mode">
<icon/>
<text>Select Luminosity Blending Mode</text>
<whatsThis/>
<toolTip>Select Luminosity Blending Mode</toolTip>
<iconText>Select Luminosity Blending Mode</iconText>
<activationFlags>0</activationFlags>
<activationConditions>0</activationConditions>
<shortcut>Alt+Shift+Y</shortcut>
<isCheckable>false</isCheckable>
<statusTip/>
</Action>
</Actions>
</ActionCollection>
More actions can be found here. Type .action in the search field.