Could you please provide all relevant page numbers for each of these claims. I'm not saying you're wrong, I just want to look into it in more detail.
1)
Interrupt Actions SR5 p. 167
Intercept SR5 p. 168
Interception SR5 p. 194
2)
Take Cover simple action SR5 p. 166
Partial & Good Cover modifiers (require Take Cover action) SR5 p. 190
Defender Running (+2 dice on defense) SR5 p. 186 + 190
Attacking a running defender (-2 dice on ranged attack) SR5 p. 162 (running modifiers)
Attacker Making Charged Attack (net +2 dice on melee attack if running) SR5 p. 162 + 186 + 187
Ejecting clip free action, Firearms SR5 p. 424
Eject Smartgun Clip free action SR5 p. 164
Insert Clip simple action SR5 p. 165
Remove Clip simple action SR5 p. 166
Load and Fire Bow complex action SR5 p. 167
Reload Firearm complex action SR5 p. 167
3)
Attacker in melee combat (-3 dice on all ranged attacks) SR5 p. 176 + 177
Defender in melee targeted by ranged attack (-3 dice on defense) SR5 p. 189 + 190
Defender Running (+2 dice on defense) SR5 p. 186 + 190
Attacking a running defender (-2 dice on ranged attack) SR5 p. 162 (running modifiers)
Attacker Making Charged Attack (net +2 dice on melee attack if running) SR5 p. 162 + 186 + 187
4)
Attack actions that let you take the Multiple Attacks free action (without dual wielding two firearms):
Throw Weapon complex action SR5 p. 166 (require multiple readied throwing weapons)
Melee Attack complex action SR5 p. 167
Fire Long Burst or Semi-Auto Burst complex action SR5 p. 167 (not beyond medium range)
Reckless Spellcasting simple action p. 164 + 165
Cast Spell complex action p. 164 + 167
Attack actions that let you take the multiple attacks action while dual wielding two firearms include:
Fire Semi-Auto, Single-Shot, Burst Fire or Full-Auto simple action SR5 p. 165
Fire Full-Auto Weapon complex action SR5 p. 167
Fire Long Burst or Semi-Auto Burst complex action SR5 p. 167
Progressive Recoil SR5 p. 175 + 176, SR5 Errata p. 2