diff --git a/.github/workflows/build-extension.yml b/.github/workflows/build-extension.yml
index 109636f1..5011017c 100644
--- a/.github/workflows/build-extension.yml
+++ b/.github/workflows/build-extension.yml
@@ -136,8 +136,8 @@ jobs:
 
       - name: Install Required OS packages
         run: |
-          sudo apt update && \
-          sudo apt install -y xvfb unzip
+          sudo apt-get update && \
+          sudo apt-get install -y xvfb unzip
 
       - name: Start up the supporting nginx services
         run: |
@@ -148,7 +148,7 @@ jobs:
           cd -
 
           echo "Starting up docker compose services"
-          docker-compose -f "./supporting-data/docker-compose-gh-actions.yml" up --force-recreate -d
+          docker compose -f "./supporting-data/docker-compose-gh-actions.yml" up --force-recreate -d
 
           # Give nginx a moment to have fully come up
           sleep 1
diff --git a/browser-extensions/common/js/lib/challenges.js b/browser-extensions/common/js/lib/challenges.js
index 5bc3e98f..849b1e37 100644
--- a/browser-extensions/common/js/lib/challenges.js
+++ b/browser-extensions/common/js/lib/challenges.js
@@ -708,61 +708,48 @@ function generate_stat_most_runs_in_a_year(parkrun_results) {
   }
 }
 
-// The number of parkruns that satisfy the equation 'p parkruns run at least p times'
-// E.g. you have run 4 different parkruns at least 4 times.
 function generate_stat_p_index(parkrun_results) {
-  var p_index = 0
+  const display_name = 'p-index'
+  var help = "The number of parkruns that satisfy the equation 'p parkruns run at least p times', e.g. if you have run 4 different parkruns at least 4 times each, your p-index is 4."
   var event_attendance_tally = {}
+  var qualifying = []
 
-  parkrun_results.forEach(function (parkrun_event) {
+  parkrun_results.forEach((parkrun_event) => {
     if (!(parkrun_event.name in event_attendance_tally)) {
       event_attendance_tally[parkrun_event.name] = 0
     }
     event_attendance_tally[parkrun_event.name] += 1
   })
-  // Sort events by number of runs descending
-  var event_attendance_sorted = Object.keys(event_attendance_tally).sort(function(a, b) {
-      return event_attendance_tally[b] - event_attendance_tally[a]
-  })
-  // Iterate through the events, and as long as the numbers of times we have
-  // run at the even is greater than the index value, increment the p-index
-  event_attendance_sorted.forEach(function(event_name, index) {
+
+  const event_attendance_sorted = Object.keys(event_attendance_tally).sort((a, b) =>  event_attendance_tally[b] - event_attendance_tally[a])
+
+  event_attendance_sorted.forEach((event_name, index) => {
     if (event_attendance_tally[event_name] > index) {
-      p_index += 1
+      qualifying.push(`${event_name} (${event_attendance_tally[event_name]})`)
     }
   })
-  return {
-    "display_name": "p-index",
-    "help": "The number of parkruns that satisfy the equation 'p parkruns run at least p times', e.g. if you have run 4 different parkruns at least 4 times each, your p-index is 4.",
-    "value": p_index
-  }
+
+  var value = qualifying.length
+  help = `The number of parkrun events completed at least ${value} times. These are ${qualifying.join(", ")}.`
+  return { display_name, help, value }
 }
 
-// The number of volunteer roles which have been performed at least _v_ times.
-// E.g. If you have volunteered in 4 different roles at least 4 times, your v-index
-// is 4.
-function generate_stat_v_index(volunteer_data) {
 
-  volunteer_roles = group_volunteer_data(volunteer_data)
+function generate_stat_v_index(volunteer_data) {
+  const display_name = "v-index"
+  var help = "The number of volunteer roles which have been performed at least v times. E.g. If you have volunteered in 4 different roles at least 4 times, your v-index is 4."
+  var qualifying = []
 
-  var v_index = 0
-  var descending_tally = Object.keys(volunteer_roles).sort(function(a, b) {
-    return volunteer_roles[b] - volunteer_roles[a]
-  })
-  // Iterate through the roles, and as long as the number of times we have
-  // volunteered in the role is greater than the index value, increment the
-  // v-index
-  descending_tally.forEach(function(role_name, index) {
-    // console.log("index: " + index + " is " + role_name + " which has been completed " + volunteer_roles[role_name] + " times")
-    if (volunteer_roles[role_name] > index) {
-      v_index += 1
+  const descending_tally = Object.keys(volunteer_data).sort((a, b) => volunteer_data[b] - volunteer_data[a])
+  descending_tally.forEach((role_name, index) => {
+    if (volunteer_data[role_name] > index) {
+      qualifying.push(`${role_name} (${volunteer_data[role_name]})`)
     }
   })
-  return {
-    "display_name": "v-index",
-    "help": "The number of volunteer roles which have been performed at least v times. E.g. If you have volunteered in 4 different roles at least 4 times, your v-index is 4.",
-    "value": v_index
-  }
+
+  var value = qualifying.length
+  help = `The number of volunteer roles completed at least ${value} times. These are ${qualifying.join(", ")}.`
+  return { display_name, help, value }
 }
 
 // The maximum contiguous series of parkrun event numbers you have attended
diff --git a/browser-extensions/common/js/lib/i18n.js b/browser-extensions/common/js/lib/i18n.js
index 5da3e193..8171ee02 100644
--- a/browser-extensions/common/js/lib/i18n.js
+++ b/browser-extensions/common/js/lib/i18n.js
@@ -548,7 +548,7 @@ function get_localised_default_value(param) {
 }
 
 function get_normalised_volunteer_role(role) {
-    mapped_role = null
+    var mapped_role = null
     $.each(domains, function(domain, mappings) {
         if ("text_volunteer_role_map" in mappings) {
             if (role in mappings.text_volunteer_role_map) {
@@ -560,6 +560,7 @@ function get_normalised_volunteer_role(role) {
     })
     if (mapped_role === null) {
         console.log("I18N: UNKNOWN VOLUNTEER ROLE: "+role)
+        mapped_role = role // allow for parkrun to add new roles
     } else {
         if (role != mapped_role) {
             // console.log("I18N: mapped "+role+" to "+mapped_role)