When installing lv2-plugins group, I get conflicts in dragonfly-reverb-* packages… I guess those packages should either get fixed or marked as conflicts of each other so that pacman knows not to install all of them. Thanks 
sudo pacman -S lv2-plugins
:: There are 68 members in group lv2-plugins:
:: Repository community
1) adlplug 2) ambix 3) ams-lv2 4) amsynth 5) artyfx 6) avldrums.lv2 7) bchoppr 8) beatslash-lv2 9) blop.lv2 10) bsequencer 11) bshapr 12) bslizr 13) calf
14) cardinal-lv2 15) deteriorate-lv2 16) distrho-ports 17) dpf-plugins 18) dragonfly-reverb 19) dragonfly-reverb-clap 20) dragonfly-reverb-jack 21) dragonfly-reverb-lv2
22) dragonfly-reverb-vst 23) dragonfly-reverb-vst3 24) drumgizmo 25) drumkv1 26) eq10q 27) eteroj.lv2 28) fabla 29) fomp.lv2 30) gmsynth.lv2 31) guitarix 32) gxplugins.lv2
33) helm-synth 34) infamousplugins 35) ir.lv2 36) liquidsfz 37) lsp-plugins 38) lv2-example-plugins 39) lv2file 40) master_me-lv2 41) mda.lv2 42) mephisto.lv2
43) midi_matrix.lv2 44) midimsg-lv2 45) moony.lv2 46) ninjas2 47) noise-repellent 48) ob-xd 49) odin2-synthesizer 50) opnplug 51) padthv1 52) patchmatrix 53) qmidiarp
54) samplv1 55) setbfree 56) sfizz 57) sherlock.lv2 58) sorcer 59) spectmorph 60) surge 61) synthv1 62) vm.lv2 63) wolf-shaper 64) wolf-spectrum 65) x42-plugins
66) xmonk.lv2 67) zam-plugins 68) zynaddsubfx
Enter a selection (default=all):
warning: calf-0.90.3-5 is up to date -- reinstalling
resolving dependencies...
looking for conflicting packages...
Packages (87) argtable-2.13-5 cardinal-data-22.09-1 faust-2.50.6-1 fmt-9.1.0-1 freeverb3-3.2.1-4 libao-1.2.2-5 libmicrohttpd-0.9.75-1 libsmf-1.3-11 libspecbleach-0.1.6-1
libvterm-0.3-1 mxml-3.3.1-1 ntk-1.3.1001-1 qtractor-0.9.29-1 rtosc-0.3.1-1 ttf-fira-code-6.2-2 ttf-fira-sans-1:4.301-2 ttf-roboto-2.138-4 zita-convolver-4.0.3-2
zita-resampler-1.8.0-1 adlplug-1.0.2-5 ambix-0.2.10-3 ams-lv2-1.2.2-3 amsynth-1.13.0-1 artyfx-1.3.1-1 avldrums.lv2-0.5.0-1 bchoppr-1.10.10-1 beatslash-lv2-1.0.6-3
blop.lv2-1.0.4-1 bsequencer-1.8.10-1 bshapr-0.13-1 bslizr-1.2.16-1 calf-0.90.3-5 cardinal-lv2-22.09-1 deteriorate-lv2-1.0.7-3 distrho-ports-2021.03.15-2
dpf-plugins-1.5-1 dragonfly-reverb-3.2.6-1 dragonfly-reverb-clap-3.2.7-1 dragonfly-reverb-jack-3.2.7-1 dragonfly-reverb-lv2-3.2.7-1 dragonfly-reverb-vst-3.2.7-1
dragonfly-reverb-vst3-3.2.7-1 drumgizmo-0.9.20-1 drumkv1-0.9.27-1 eq10q-2.2-4 eteroj.lv2-0.10.0-1 fabla-1.3.2-3 fomp.lv2-1.2.4-1 gmsynth.lv2-0.5.0-2
guitarix-0.44.1-3 gxplugins.lv2-0.9-1 helm-synth-0.9.0-9 infamousplugins-0.3.0-3 ir.lv2-1.3.4-2 liquidsfz-0.3.1-1 lsp-plugins-1.2.3-1 lv2-example-plugins-1.18.10-1
lv2file-0.95-1 master_me-lv2-1.1.0-4 mda.lv2-1.2.10-1 mephisto.lv2-0.18.2-1 midi_matrix.lv2-0.28.0-1 midimsg-lv2-0.0.5-1 moony.lv2-0.40.0-1 ninjas2-0.2.0-2
noise-repellent-0.2.3-1 ob-xd-2.9-1 odin2-synthesizer-2.3.4-1 opnplug-1.0.2-5 padthv1-0.9.27-1 patchmatrix-0.26.0-1 qmidiarp-0.6.5-5 samplv1-0.9.27-1
setbfree-0.8.11-3 sfizz-1.2.0-2 sherlock.lv2-0.28.0-1 sorcer-1.1.3-3 spectmorph-0.5.2-1 surge-1.9.0-3 synthv1-0.9.27-1 vm.lv2-0.14.0-2 wolf-shaper-0.1.8-1
wolf-spectrum-1.0.0-2 x42-plugins-20220923-1 xmonk.lv2-0.4-1 zam-plugins-3.14-1 zynaddsubfx-3.0.6-3
Total Installed Size: 2414,40 MiB
Net Upgrade Size: 2392,12 MiB
:: Proceed with installation? [Y/n] y
(87/87) checking keys in keyring [##################################################################] 100%
(87/87) checking package integrity [##################################################################] 100%
(87/87) loading package files [##################################################################] 100%
(87/87) checking for file conflicts [##################################################################] 100%
error: failed to commit transaction (conflicting files)
/usr/bin/DragonflyEarlyReflections exists in both 'dragonfly-reverb' and 'dragonfly-reverb-jack'
/usr/bin/DragonflyHallReverb exists in both 'dragonfly-reverb' and 'dragonfly-reverb-jack'
/usr/bin/DragonflyPlateReverb exists in both 'dragonfly-reverb' and 'dragonfly-reverb-jack'
/usr/bin/DragonflyRoomReverb exists in both 'dragonfly-reverb' and 'dragonfly-reverb-jack'
/usr/share/applications/io.github.michaelwillis.DragonflyEarlyReflections.desktop exists in both 'dragonfly-reverb' and 'dragonfly-reverb-jack'
/usr/share/applications/io.github.michaelwillis.DragonflyHallReverb.desktop exists in both 'dragonfly-reverb' and 'dragonfly-reverb-jack'
/usr/share/applications/io.github.michaelwillis.DragonflyPlateReverb.desktop exists in both 'dragonfly-reverb' and 'dragonfly-reverb-jack'
/usr/share/applications/io.github.michaelwillis.DragonflyRoomReverb.desktop exists in both 'dragonfly-reverb' and 'dragonfly-reverb-jack'
/usr/lib/lv2/DragonflyEarlyReflections.lv2/DragonflyEarlyReflections_dsp.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyEarlyReflections.lv2/DragonflyEarlyReflections_dsp.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyEarlyReflections.lv2/DragonflyEarlyReflections_ui.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyEarlyReflections.lv2/DragonflyEarlyReflections_ui.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyEarlyReflections.lv2/manifest.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyHallReverb.lv2/DragonflyHallReverb_dsp.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyHallReverb.lv2/DragonflyHallReverb_dsp.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyHallReverb.lv2/DragonflyHallReverb_ui.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyHallReverb.lv2/DragonflyHallReverb_ui.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyHallReverb.lv2/manifest.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyPlateReverb.lv2/DragonflyPlateReverb_dsp.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyPlateReverb.lv2/DragonflyPlateReverb_dsp.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyPlateReverb.lv2/DragonflyPlateReverb_ui.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyPlateReverb.lv2/DragonflyPlateReverb_ui.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyPlateReverb.lv2/manifest.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyRoomReverb.lv2/DragonflyRoomReverb_dsp.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyRoomReverb.lv2/DragonflyRoomReverb_dsp.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyRoomReverb.lv2/DragonflyRoomReverb_ui.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyRoomReverb.lv2/DragonflyRoomReverb_ui.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/lv2/DragonflyRoomReverb.lv2/manifest.ttl exists in both 'dragonfly-reverb' and 'dragonfly-reverb-lv2'
/usr/lib/vst/DragonflyEarlyReflections-vst.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-vst'
/usr/lib/vst/DragonflyHallReverb-vst.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-vst'
/usr/lib/vst/DragonflyPlateReverb-vst.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-vst'
/usr/lib/vst/DragonflyRoomReverb-vst.so exists in both 'dragonfly-reverb' and 'dragonfly-reverb-vst'
Errors occurred, no packages were upgraded.
