diff --git a/.vale/styles/Google/Anthropomorphism.yml b/.vale/styles/Google/Anthropomorphism.yml
new file mode 100644
index 0000000..36137a1
--- /dev/null
+++ b/.vale/styles/Google/Anthropomorphism.yml
@@ -0,0 +1,12 @@
+extends: existence
+message: "Don't attribute human qualities to software or hardware ('%s')."
+link: https://developers.google.com/style/anthropomorphism
+level: suggestion
+ignorecase: true
+# Limited to the two verbs the guide itself names. Broader lists (wants, knows,
+# thinks) can't tell a software subject from a human one: on a 950-file corpus
+# they produced 8 false positives ('the customer wants', 'your audience knows')
+# for every 2 real ones.
+tokens:
+  - sees
+  - tells
diff --git a/.vale/styles/Google/Colons.yml b/.vale/styles/Google/Colons.yml
index 4a027c3..98972b9 100644
--- a/.vale/styles/Google/Colons.yml
+++ b/.vale/styles/Google/Colons.yml
@@ -1,8 +1,13 @@
 extends: existence
 message: "'%s' should be in lowercase."
 link: 'https://developers.google.com/style/colons'
-nonword: true
 level: warning
 scope: sentence
+# The match is the word itself, not ': X', and `nonword` is off. Both are
+# required for a project Vocab to work: Vale compares accept.txt entries
+# against the matched text, and `nonword: true` opts out of that entirely.
+# So a proper noun after a colon can be exempted by adding it to accept.txt.
+# The guide's other exemption, notice labels, is handled by the lookbehinds;
+# headings are already excluded by `scope: sentence`. See issue #20.
 tokens:
-  - '(?<!:[^ ]+?):\s[A-Z]'
+  - '(?<!Note: )(?<!Caution: )(?<!Warning: )(?<!Success: )(?<=:\s)[A-Z]\w+'
diff --git a/.vale/styles/Google/DateFormat.yml b/.vale/styles/Google/DateFormat.yml
index e9d227f..b617310 100644
--- a/.vale/styles/Google/DateFormat.yml
+++ b/.vale/styles/Google/DateFormat.yml
@@ -6,4 +6,4 @@ level: error
 nonword: true
 tokens:
   - '\d{1,2}(?:\.|/)\d{1,2}(?:\.|/)\d{4}'
-  - '\d{1,2} (?:Jan(?:uary)?|Feb(?:ruary)?|Mar(?:ch)?|Apr(?:il)|May|Jun(?:e)|Jul(?:y)|Aug(?:ust)|Sep(?:tember)?|Oct(?:ober)|Nov(?:ember)?|Dec(?:ember)?) \d{4}'
+  - '\d{1,2} (?:Jan(?:uary)?|Feb(?:ruary)?|Mar(?:ch)?|Apr(?:il)?|May|Jun(?:e)?|Jul(?:y)?|Aug(?:ust)?|Sep(?:tember)?|Oct(?:ober)?|Nov(?:ember)?|Dec(?:ember)?) \d{4}'
diff --git a/.vale/styles/Google/ExcessiveClaims.yml b/.vale/styles/Google/ExcessiveClaims.yml
new file mode 100644
index 0000000..a44aca1
--- /dev/null
+++ b/.vale/styles/Google/ExcessiveClaims.yml
@@ -0,0 +1,14 @@
+extends: existence
+message: "Avoid the unverifiable claim '%s'."
+link: https://developers.google.com/style/excessive-claims
+level: suggestion
+ignorecase: true
+# The guide also names 'never', 'always', and 'ensure', but in technical writing
+# those are usually legitimate instructions ('never commit secrets') rather than
+# product claims: they accounted for 125 of 142 hits on a 950-file corpus.
+# 'best practices' is a fixed term, not a superlative.
+tokens:
+  - 'best(?! practices?)'
+  - simplest
+  - fastest
+  - guarantees?
diff --git a/.vale/styles/Google/FirstPerson.yml b/.vale/styles/Google/FirstPerson.yml
index 0b7b882..e367cbd 100644
--- a/.vale/styles/Google/FirstPerson.yml
+++ b/.vale/styles/Google/FirstPerson.yml
@@ -3,11 +3,13 @@ message: "Avoid first-person pronouns such as '%s'."
 link: 'https://developers.google.com/style/pronouns#personal-pronouns'
 ignorecase: true
 level: warning
-nonword: true
+# The 'I' tokens use lookaround rather than consuming the surrounding
+# whitespace. Matching ' I ' made the alert span cover both spaces, which shows
+# up as a too-wide underline in editors, and read as "such as ' I '". Dropping
+# `nonword` also lets a project Vocab apply, which it can't when set. See PR #50.
 tokens:
-  - (?:^|\s)I\s
-  - (?:^|\s)I,\s
-  - \bI'm\b
+  - '(?<=^|\s)I(?=[\s,])'
+  - "\\bI'm\\b"
   - \bme\b
   - \bmy\b
   - \bmine\b
diff --git a/.vale/styles/Google/Headings.yml b/.vale/styles/Google/Headings.yml
index c8d5be2..0a7f054 100644
--- a/.vale/styles/Google/Headings.yml
+++ b/.vale/styles/Google/Headings.yml
@@ -4,8 +4,11 @@ link: "https://developers.google.com/style/capitalization#capitalization-in-titl
 level: warning
 scope: heading
 match: $sentence
-indicators:
-  - ":"
+# No `indicators: [":"]` here. That makes Vale require a capital after a colon,
+# which is the Microsoft convention this rule was originally copied from. This
+# guide says the opposite: "the first word after a colon is generally
+# lowercase" (developers.google.com/style/colons), and Colons.yml enforces
+# exactly that. See issue #58.
 exceptions:
   - Azure
   - CLI
diff --git a/.vale/styles/Google/Jargon.yml b/.vale/styles/Google/Jargon.yml
new file mode 100644
index 0000000..c8cc8fb
--- /dev/null
+++ b/.vale/styles/Google/Jargon.yml
@@ -0,0 +1,13 @@
+extends: existence
+message: "Avoid the jargon '%s'."
+link: https://developers.google.com/style/jargon
+level: suggestion
+ignorecase: true
+# The guide also cites 'solution', 'support', and 'workload' as overloaded
+# terms, but those have ordinary technical meanings and accounted for every hit
+# on a 950-file corpus, so only the unambiguous figurative terms are listed.
+tokens:
+  - break-glass
+  - camel ?case
+  - out-of-the-box
+  - swim ?lane
diff --git a/.vale/styles/Google/Latin.yml b/.vale/styles/Google/Latin.yml
index ca03b91..325c096 100644
--- a/.vale/styles/Google/Latin.yml
+++ b/.vale/styles/Google/Latin.yml
@@ -6,6 +6,10 @@ level: error
 nonword: true
 action:
   name: replace
+# The delimiter is a lookahead so the replacement doesn't swallow the comma or
+# space that follows (issue #18). `$` is included so the abbreviation is still
+# caught at the end of a heading, table cell, or block, which accounted for 8
+# of 10 occurrences on a 950-file corpus.
 swap:
-  '\b(?:eg|e\.g\.)(?=[\s,;])': for example
-  '\b(?:ie|i\.e\.)(?=[\s,;])': that is
+  '\b(?:eg|e\.g\.)(?=[\s,;]|$)': for example
+  '\b(?:ie|i\.e\.)(?=[\s,;]|$)': that is
diff --git a/.vale/styles/Google/OxfordComma.yml b/.vale/styles/Google/OxfordComma.yml
index b9ba21e..a3ef78b 100644
--- a/.vale/styles/Google/OxfordComma.yml
+++ b/.vale/styles/Google/OxfordComma.yml
@@ -3,5 +3,13 @@ message: "Use the Oxford comma in '%s'."
 link: 'https://developers.google.com/style/commas'
 scope: sentence
 level: warning
+nonword: true
+# List items may be several words long, not just one. Two guards keep the
+# false-positive rate down: the item can't open with a clause-introducer
+# (', which ...', ', specifically ...'), and neither item may contain an
+# auxiliary verb, which is what separates a list from a compound predicate
+# (', it has some downsides and is officially discouraged.'). The trailing
+# anchor allows end-of-scope so list fragments ('Apples, pears or bananas')
+# are still caught.
 tokens:
-  - '(?:[^,]+,){1,}\s\w+\s(?:and|or)'
+  - ',\s(?!(?:which|who|whom|whose|that|where|when|while|because|since|although|though|if|unless|so|but|and|or|however|therefore|thus|specifically|especially|namely|then|take|see|note|consider|make|use|either|neither)\b)(?:(?!\b(?:is|are|was|were|has|have|had|be|been|being|will|would|can|could|should|may|might|must|do|does|did)\b)\w+ ){0,4}\w+ (?:and|or) (?:(?!\b(?:is|are|was|were|has|have|had|be|been|being|will|would|can|could|should|may|might|must|do|does|did)\b)\w+ ){0,4}\w+(?:[.?!]|$)'
diff --git a/.vale/styles/Google/Parens.yml b/.vale/styles/Google/Parens.yml
index 3b8711d..7e587eb 100644
--- a/.vale/styles/Google/Parens.yml
+++ b/.vale/styles/Google/Parens.yml
@@ -3,5 +3,13 @@ message: "Use parentheses judiciously."
 link: 'https://developers.google.com/style/parentheses'
 nonword: true
 level: suggestion
+# `[^)]` rather than `.+`: a greedy match ran from the first '(' on a line to
+# the last ')', so 'Text (one) and more (two).' produced a single alert
+# covering everything between them. See issue #30.
+# A bare 3-5 letter acronym is skipped: Acronyms.yml requires acronyms to be
+# defined as 'Spelled Out Term (ACRONYM)', so flagging those parentheses would
+# put the two rules in direct conflict. The acronym has to be the whole
+# parenthetical — '(NASA rocket program)' is an ordinary aside and still
+# flags. Length matches the {3,5} in Acronyms.yml. See PR #59.
 tokens:
-  - '\(.+\)'
+  - '\((?![A-Z]{3,5}\))[^)]+\)'
diff --git a/.vale/styles/Google/Timeless.yml b/.vale/styles/Google/Timeless.yml
new file mode 100644
index 0000000..943f449
--- /dev/null
+++ b/.vale/styles/Google/Timeless.yml
@@ -0,0 +1,13 @@
+extends: existence
+message: "Avoid time-based words like '%s' in product documentation."
+link: https://developers.google.com/style/timeless-documentation
+level: suggestion
+ignorecase: true
+# The guide also names 'now' and 'new', but both have common senses that aren't
+# time-anchored ('create a new project'): adding them took a 950-file corpus of
+# technical documentation from 14 hits to 117. 'recently' is left out too — every
+# hit in that corpus was the UI idiom 'recently used'.
+tokens:
+  - currently
+  - latest
+  - soon
diff --git a/.vale/styles/Google/Units.yml b/.vale/styles/Google/Units.yml
index 53522ab..4b4760d 100644
--- a/.vale/styles/Google/Units.yml
+++ b/.vale/styles/Google/Units.yml
@@ -4,5 +4,7 @@ link: "https://developers.google.com/style/units-of-measure"
 nonword: true
 level: error
 tokens:
-  - \b\d+(?:B|kB|MB|GB|TB)
-  - \b\d+(?:ns|ms|s|min|h|d)
+  - '\b\d+(?:B|kB|MB|GB|TB)\b'
+  - '\b\d+(?:ns|ms|min|h|d)\b'
+  # Seconds are split out so a decade ('1990s') isn't read as a unit.
+  - '\b\d+s\b(?<!\b(?:19|20)\d\ds\b)'
diff --git a/.vale/styles/Google/WordList.yml b/.vale/styles/Google/WordList.yml
index b3c6a40..25e925e 100644
--- a/.vale/styles/Google/WordList.yml
+++ b/.vale/styles/Google/WordList.yml
@@ -2,79 +2,28 @@ extends: substitution
 message: "Use '%s' instead of '%s'."
 link: "https://developers.google.com/style/word-list"
 level: warning
+# Case matters here: each key's own capitalization is what's being corrected,
+# so ignorecase would make these match their own replacements. The rest of the
+# word list lives in WordListCase.yml.
 ignorecase: false
 action:
   name: replace
 swap:
-  "(?:API Console|dev|developer) key": API key
-  "(?:cell ?phone|smart ?phone)": phone|mobile phone
-  "(?:dev|developer|APIs) console": API console
-  "(?:e-mail|Email|E-mail)": email
-  "(?:file ?path|path ?name)": path
-  "(?:kill|terminate|abort)": stop|exit|cancel|end
-  "(?:OAuth ?2|Oauth)": OAuth 2.0
-  "(?:ok|Okay)": OK|okay
-  "(?:WiFi|wifi)": Wi-Fi
-  '[\.]+apk': APK
-  '3\-D': 3D
-  'Google (?:I\-O|IO)': Google I/O
-  "tap (?:&|and) hold": touch & hold
-  "un(?:check|select)": clear
-  above: preceding
-  account name: username
-  action bar: app bar
-  admin: administrator
   Ajax: AJAX
-  a\.k\.a|aka: or|also known as
   Android device: Android-powered device
   android: Android
   API explorer: APIs Explorer
-  application: app
-  approx\.: approximately
   authN: authentication
   authZ: authorization
-  autoupdate: automatically update
-  cellular data: mobile data
-  cellular network: mobile network
-  chapter: documents|pages|sections
-  check box: checkbox
   CLI: command-line tool
-  click on: click|click in
   Cloud: Google Cloud Platform|GCP
   Container Engine: Kubernetes Engine
-  content type: media type
-  curated roles: predefined roles
-  data are: data is
   Developers Console: Google API Console|API Console
-  disabled?: turn off|off
-  ephemeral IP address: ephemeral external IP address
-  fewer data: less data
-  file name: filename
-  firewalls: firewall rules
-  functionality: capability|feature
   Google account: Google Account
   Google accounts: Google Accounts
   Googling: search with Google
-  grayed-out: unavailable
   HTTPs: HTTPS
-  in order to: to
-  ingest: import|load
   k8s: Kubernetes
-  long press: touch & hold
-  network IP address: internal IP address
-  omnibox: address bar
-  open-source: open source
-  overview screen: recents screen
-  regex: regular expression
   SHA1: SHA-1|HAS-SHA1
-  sign into: sign in to
-  sign-?on: single sign-on
-  static IP address: static external IP address
-  stylesheet: style sheet
-  synch: sync
-  tablename: table name
-  tablet: device
-  touch: tap
   url: URL
-  vs\.: versus
   World Wide Web: web
diff --git a/.vale/styles/Google/WordListCase.yml b/.vale/styles/Google/WordListCase.yml
new file mode 100644
index 0000000..0228496
--- /dev/null
+++ b/.vale/styles/Google/WordListCase.yml
@@ -0,0 +1,68 @@
+extends: substitution
+message: "Use '%s' instead of '%s'."
+link: "https://developers.google.com/style/word-list"
+level: warning
+# The case-insensitive half of the word list, so sentence-initial use is caught
+# ('Touch the screen', not only 'touch the screen'). Entries that must stay
+# case-sensitive are in WordList.yml.
+ignorecase: true
+action:
+  name: replace
+swap:
+  "(?:API Console|dev|developer) key": API key
+  "(?:cell ?phone|smart ?phone)": phone|mobile phone
+  "(?:dev|developer|APIs) console": API console
+  "(?:e-mail|Email|E-mail)": email
+  "(?:file ?path|path ?name)": path
+  "(?:kill|terminate|abort)": stop|exit|cancel|end
+  # Longest form first: with the shortest alternative leading, 'OAuth 2' matched
+  # only 'OAuth', so applying the suggestion produced 'OAuth 2.0 2'. The rule is
+  # already case-insensitive, so the inline (?i) is redundant. See issue #41.
+  '\bOauth2\.0\b|\bOAuth ?2\b(?!\.0)|\bOauth\b(?! ?2)': OAuth 2.0
+  "(?:ok|Okay)": OK|okay
+  "(?:WiFi|wifi)": Wi-Fi
+  '[\.]+apk': APK
+  '3\-D': 3D
+  'Google (?:I\-O|IO)': Google I/O
+  "tap (?:&|and) hold": touch & hold
+  "un(?:check|select)": clear
+  above: preceding
+  account name: username
+  action bar: app bar
+  admin: administrator
+  a\.k\.a|aka: or|also known as
+  application: app
+  approx\.: approximately
+  autoupdate: automatically update
+  cellular data: mobile data
+  cellular network: mobile network
+  chapter: documents|pages|sections
+  check box: checkbox
+  click on: click|click in
+  content type: media type
+  curated roles: predefined roles
+  data are: data is
+  disabled?: turn off|off
+  ephemeral IP address: ephemeral external IP address
+  fewer data: less data
+  file name: filename
+  firewalls: firewall rules
+  functionality: capability|feature
+  grayed-out: unavailable
+  in order to: to
+  ingest: import|load
+  long press: touch & hold
+  network IP address: internal IP address
+  omnibox: address bar
+  open-source: open source
+  overview screen: recents screen
+  regex: regular expression
+  sign into: sign in to
+  '(?<!single )sign-?on': single sign-on
+  static IP address: static external IP address
+  stylesheet: style sheet
+  synch: sync
+  tablename: table name
+  tablet: device
+  'touch(?! ?(?:&|and) hold)': tap
+  vs\.: versus
diff --git a/ansible/roles/gitea_runner/defaults/main.yml b/ansible/roles/gitea_runner/defaults/main.yml
index 87da8cd..e6ec8a5 100644
--- a/ansible/roles/gitea_runner/defaults/main.yml
+++ b/ansible/roles/gitea_runner/defaults/main.yml
@@ -64,9 +64,12 @@ gitea_runner_rootless_scripts_ref: "v28.5.1"
 # that dockerd-rootless-setuptool.sh (which derives BIN from its own dirname) finds them co-located.
 gitea_runner_rootless_scripts_install_dir: "/usr/bin"
 
-# Rootless Docker network driver: "pasta" (IPv6 support) or "slirp4netns" (IPv4 only)
-# pasta has proper outgoing IPv6 support; slirp4netns does not (known limitation).
-gitea_runner_docker_rootless_net_driver: "pasta"
+# Rootless Docker network driver: "slirp4netns" (default) or "pasta" (IPv6 support)
+# slirp4netns is the default because pasta has a TCP proxy bug that sends RST
+# packets with wrong sequence numbers, breaking TCP connections from Docker
+# containers to external hosts. slirp4netns doesn't have IPv6 support.
+# See: https://bugs.passt.top/show_bug.cgi?id=52
+gitea_runner_docker_rootless_net_driver: "slirp4netns"
 
 # IPv6 subnet for rootless Docker containers (ULA range, not routable on internet)
 gitea_runner_docker_ipv6_cidr: "fd00:dead:beef::/48"
diff --git a/ansible/roles/gitea_runner/tasks/integration_test.yml b/ansible/roles/gitea_runner/tasks/integration_test.yml
index b0e65c3..36a8c39 100644
--- a/ansible/roles/gitea_runner/tasks/integration_test.yml
+++ b/ansible/roles/gitea_runner/tasks/integration_test.yml
@@ -18,7 +18,7 @@
       else {} }}
   when: gitea_runner_file_stat.stat.exists | default(false) | bool
 
-- name: Verify runner user service active
+- name: Wait for runner user service to be active
   ansible.builtin.command: systemctl --user is-active gitea-runner
   become: true
   become_user: "{{ gitea_runner_service_user }}"
@@ -26,6 +26,9 @@
     XDG_RUNTIME_DIR: "/run/user/{{ gitea_runner_uid }}"
   register: gitea_runner_service_check
   changed_when: false
+  retries: 10
+  delay: 2
+  until: gitea_runner_service_check.stdout | default('') | trim == 'active'
   when:
     - gitea_runner_systemd_available.stat.exists
     - gitea_runner_docker_rootless_setup
diff --git a/ansible/roles/gitea_runner/tasks/rootless_docker.yml b/ansible/roles/gitea_runner/tasks/rootless_docker.yml
index ad17a6c..703cd8d 100644
--- a/ansible/roles/gitea_runner/tasks/rootless_docker.yml
+++ b/ansible/roles/gitea_runner/tasks/rootless_docker.yml
@@ -182,14 +182,16 @@
     group: "{{ gitea_runner_service_user }}"
   when: gitea_runner_docker_rootless_setup
 
-- name: Configure rootless Docker to use pasta with IPv6
+- name: Configure rootless Docker network driver
   ansible.builtin.copy:
     dest: "{{ gitea_runner_home }}/.config/systemd/user/docker.service.d/override.conf"
     content: |
       [Service]
       Environment="DOCKERD_ROOTLESS_ROOTLESSKIT_NET={{ gitea_runner_docker_rootless_net_driver }}"
-      Environment="DOCKERD_ROOTLESS_ROOTLESSKIT_PORT_DRIVER=implicit"
+      Environment="DOCKERD_ROOTLESS_ROOTLESSKIT_PORT_DRIVER={{ 'implicit' if gitea_runner_docker_rootless_net_driver == 'pasta' else 'builtin' }}"
+      {% if gitea_runner_docker_rootless_net_driver == 'pasta' %}
       Environment="DOCKERD_ROOTLESS_ROOTLESSKIT_FLAGS=--ipv6"
+      {% endif %}
     mode: "0644"
     owner: "{{ gitea_runner_service_user }}"
     group: "{{ gitea_runner_service_user }}"
@@ -207,14 +209,20 @@
     - gitea_runner_docker_rootless_setup
     - gitea_runner_docker_network_override is changed
 
-- name: Configure rootless Docker daemon with IPv6 enabled
+- name: Configure rootless Docker daemon
   ansible.builtin.copy:
     dest: "{{ gitea_runner_home }}/.config/docker/daemon.json"
     content: |
       {
+        {% if gitea_runner_docker_rootless_net_driver == 'pasta' %}
         "ipv6": true,
         "ip6tables": true,
-        "fixed-cidr-v6": "{{ gitea_runner_docker_ipv6_cidr }}"
+        "fixed-cidr-v6": "{{ gitea_runner_docker_ipv6_cidr }}",
+        "dns": ["10.0.2.3", "8.8.8.8"]
+        {% else %}
+        "ipv6": false,
+        "dns": ["8.8.8.8", "1.1.1.1"]
+        {% endif %}
       }
     mode: "0644"
     owner: "{{ gitea_runner_service_user }}"