diff --git a/_locales/nl/messages.json b/_locales/nl/messages.json
index d3f7b532..f7b30bd9 100644
--- a/_locales/nl/messages.json
+++ b/_locales/nl/messages.json
@@ -27,6 +27,18 @@
 		"message": "Exporteren",
 		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
 	},
+	"installButton": {
+		"message": "Stijl installeren",
+		"description": "Label for install button"
+	},
+	"styleMetaErrorCheckbox": {
+		"message": "Ongeldig @var-selectievakje: waarde moet 0 of 1 zijn",
+		"description": "Error displayed when the value of @var checkbox is invalid"
+	},
+	"linterJSONError": {
+		"message": "Ongeldige JSON-opmaak",
+		"description": "Setting linter config with invalid JSON"
+	},
 	"optionsBadgeNormal": {
 		"message": "Achtergrondkleur",
 		"description": ""
@@ -47,6 +59,10 @@
 		"message": "Vul een naam in",
 		"description": "Error displayed when user saves without providing a name"
 	},
+	"genericHistoryLabel": {
+		"message": "Geschiedenis",
+		"description": "Used in various places to show a history log of something"
+	},
 	"shortcutsNote": {
 		"message": "Sneltoetsen opgeven",
 		"description": ""
@@ -59,10 +75,22 @@
 		"message": "Controleren op update",
 		"description": "Label for the button to check a single style for an update"
 	},
+	"styleNotAppliedRegexpProblemTooltip": {
+		"message": "Stijl is niet toegepast vanwege onjuist gebruik van 'regexp()'",
+		"description": "Tooltip in the popup for styles that were not applied at all"
+	},
 	"styleRegexpInvalidExplanation": {
 		"message": "Sommige 'regexp()'-regels kunnen niet worden gecompileerd.",
 		"description": ""
 	},
+	"optionsIconDark": {
+		"message": "Donkere browserthema's",
+		"description": ""
+	},
+	"styleFromMozillaFormatError": {
+		"message": "Importeren uit Mozilla-indeling mislukt",
+		"description": "Label for the import error"
+	},
 	"importAppendLabel": {
 		"message": "Toevoegen aan stijl",
 		"description": "Label for the button to import a style and append to the existing sections"
@@ -103,6 +131,10 @@
 		"message": "Niet beschikbaar",
 		"description": "Label for the checkbox that toggles grayed out mode of applies-to favicons in the new UI on manage page"
 	},
+	"versionInvalidOlder": {
+		"message": "Deze versie is ouder dan de geïnstalleerde stijl.",
+		"description": "Displayed when the version of style is older than the installed one"
+	},
 	"confirmYes": {
 		"message": "Ja",
 		"description": "'Yes' button in a confirm dialog"
@@ -127,6 +159,10 @@
 		"message": "Ingeschakeld",
 		"description": "Label for the enabled state of styles"
 	},
+	"linterConfigTooltip": {
+		"message": "Klik om deze linter te configureren",
+		"description": "Icon tooltip to indicate that it opens a popup with the selected linter configuration"
+	},
 	"styleToMozillaFormatHelp": {
 		"message": "De Mozilla-opmaak van de code kan worden gebruikt met Stylish voor Firefox en worden ingezonden naar userstyles.org",
 		"description": "Help info for the Mozilla format header section that converts the code to/from Mozilla format"
@@ -143,14 +179,26 @@
 		"message": "Opslaan",
 		"description": "Label for save button for style editing"
 	},
+	"genericSavedMessage": {
+		"message": "Opgeslagen",
+		"description": "Used in various parts of the UI to indicate that something was saved"
+	},
 	"confirmDelete": {
 		"message": "Verwijderen",
 		"description": ""
 	},
+	"confirmDefault": {
+		"message": "Standaard gebruiken",
+		"description": "'Set to default' button in a confirm dialog"
+	},
 	"confirmCancel": {
 		"message": "Annuleren",
 		"description": ""
 	},
+	"cm_autoCloseBracketsTooltip": {
+		"message": "Automatisch sluitingen toevoegen bij het openen van ()[]{}''\"\"",
+		"description": "Label for the checkbox in the style editor."
+	},
 	"retrieveBckp": {
 		"message": "Stijlen importeren",
 		"description": ""
@@ -175,6 +223,10 @@
 		"message": "URL's overeenkomend met de regexp",
 		"description": "Option to make the style apply to the entered string as a regular expression"
 	},
+	"optionsAdvancedExposeIframesNote": {
+		"message": "Legt het bovenliggende domein van de site bloot in elk iframe.\nSchakelt schrijven in voor iframe-specifieke CSS, zoals:\nhtml[stylus-iframe$=\"twitter.com\"] h1 { display:none }",
+		"description": ""
+	},
 	"importReportLegendUpdatedCode": {
 		"message": "code bijgewerkt",
 		"description": "Text after the number of styles with updated code (meta info is unchanged) in the report shown after importing styles"
@@ -200,6 +252,15 @@
 		"message": "Alleen lokaal gecreëerde stijlen",
 		"description": "Checkbox to show only locally created styles i.e. non-updatable"
 	},
+	"styleMetaErrorPreprocessor": {
+		"message": "Niet-ondersteunde @preprocessor: $preprocessor$",
+		"description": "Error displayed when the value of @preprocessor is not supported",
+		"placeholders": {
+			"preprocessor": {
+				"content": "$1"
+			}
+		}
+	},
 	"linterIssuesHelp": {
 		"message": "De door stylelint gevonden problemen, $link$:",
 		"description": "Help popup message for the selected CSS linter issues block on the style edit page",
@@ -209,18 +270,34 @@
 			}
 		}
 	},
+	"parseUsercssError": {
+		"message": "Stylus kan de usercss niet verwerken:",
+		"description": "The error message to show when stylus failed to parse usercss"
+	},
 	"searchStyles": {
 		"message": "Inhoud doorzoeken",
 		"description": "Label for the search filter textbox on the Manage styles page"
 	},
+	"optionsUpdateImportNote": {
+		"message": "Als je stijlen importeert uit een oudere versie of uit Stylish, controleer dan eenmalig op updates in de stijlbeheerder om er zeker van te zijn dat alle stijlen zijn bijgewerkt.",
+		"description": ""
+	},
 	"checkAllUpdatesForce": {
 		"message": "Ik heb geen stijlen bewerkt; controleer opnieuw!",
 		"description": "Label for the button to apply all detected updates"
 	},
+	"liveReloadLabel": {
+		"message": "Live herladen",
+		"description": "The label of live-reload feature"
+	},
 	"linkGetStyles": {
 		"message": "Verkrijg stijlen",
 		"description": "Help link text on the manage page e.g. https://userstyles.org"
 	},
+	"unreachableFileHint": {
+		"message": "Stylus kan toegang krijgen tot URL's beginnend met file://, maar alleen als je een vinkje zet in het juiste selectievakje op de pagina chrome://extensions",
+		"description": "Note in the toolbar popup for file:// URLs"
+	},
 	"disableStyleLabel": {
 		"message": "Uitschakelen",
 		"description": "Label for the button to disable a style"
@@ -281,6 +358,10 @@
 		"message": "Regexp is ongeldig.",
 		"description": "Validation message for a bad regexp in a style"
 	},
+	"license": {
+		"message": "Licentie",
+		"description": "Label for the license"
+	},
 	"optionsHeading": {
 		"message": "Opties",
 		"description": "Heading for options section on manage page."
@@ -294,6 +375,10 @@
 			}
 		}
 	},
+	"optionsIconLight": {
+		"message": "Lichte browserthema's",
+		"description": ""
+	},
 	"openStylesManager": {
 		"message": "Stijlbeheerder openen",
 		"description": "Label for the style maanger opener in the browser action context menu."
@@ -315,6 +400,14 @@
 		"message": "ongeldige overgeslagen",
 		"description": "Text after the number of styles skipped due to being invalid (not a Stylus/Stylish backup file probably) in the report shown after importing styles"
 	},
+	"optionsAdvancedNewStyleAsUsercss": {
+		"message": "Nieuwe stijl schrijven als usercss",
+		"description": ""
+	},
+	"genericResetLabel": {
+		"message": "Standaardwaarden",
+		"description": "Used in various parts of UI to indicate that something may be reset to its original state"
+	},
 	"editStyleTitle": {
 		"message": "Stijl $stylename$ bewerken",
 		"description": "Title of the page for editing styles",
@@ -332,10 +425,18 @@
 		"message": "URL's beginnend met",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
+	"cm_matchHighlightToken": {
+		"message": "Sleutel onder cursor",
+		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of the word/token under cursor even if nothing is selected"
+	},
 	"searchRegexp": {
 		"message": "Gebruik /re/-syntax voor regexp-zoeken",
 		"description": "Label after the search input field in the editor shown on Ctrl-F"
 	},
+	"popupBordersTooltip": {
+		"message": "Handig voor donkere thema's in Chrome, omdat zijranden niet meer worden gerenderd",
+		"description": ""
+	},
 	"updateCheckManualUpdateHint": {
 		"message": "Een update forceren zal lokale bewerkingen overschrijven.",
 		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
@@ -348,6 +449,14 @@
 		"message": "Verwerp de inhoud van de huidige stijl en overschrijf het met de geïmporteerde stijl",
 		"description": "Label for the button to import and overwrite current style"
 	},
+	"installUpdateFromLabel": {
+		"message": "Controleren op updates",
+		"description": "Label for the checkbox to save current URL for update check"
+	},
+	"cm_resizeGripHint": {
+		"message": "Dubbelklik om de hoogte te maximaliseren/herstellen",
+		"description": "Tooltip for the resize grip in style editor"
+	},
 	"popupStylesFirst": {
 		"message": "Stijlen vóór commando's opsommen",
 		"description": "Label for the checkbox controlling section order in the popup."
@@ -376,6 +485,10 @@
 		"message": "Stijl in Mozilla-opmaak",
 		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
 	},
+	"cm_colorpicker": {
+		"message": "Kleurkiezer voor CSS-kleuren",
+		"description": "Label for the checkbox controlling colorpicker option for the style editor."
+	},
 	"writeStyleFor": {
 		"message": "Stijl schrijven voor:",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
@@ -425,6 +538,18 @@
 		"message": "Controleren op updates en deze installeren",
 		"description": ""
 	},
+	"filteredStyles": {
+		"message": "$numShown$ van de $numTotal$ wordt/worden getoond",
+		"description": "TL note - make this message short",
+		"placeholders": {
+			"numTotal": {
+				"content": "$2"
+			},
+			"numShown": {
+				"content": "$1"
+			}
+		}
+	},
 	"importReportTitle": {
 		"message": "Stijlen importeren voltooid",
 		"description": "Title of the report shown after importing styles"
@@ -437,6 +562,18 @@
 		"message": "Markeren",
 		"description": "Label for the drop-down list controlling the automatic highlighting of current word/selection occurrences in the style editor."
 	},
+	"styleRegexpPartialExplanation": {
+		"message": "Deze stijl gebruikt gedeeltelijk overeenkomende regexps. Dit is in strijd met de <a href='https://developer.mozilla.org/docs/Web/CSS/@document'>CSS4 @document-specificatie</a>, welke een volledige URL-overeenkomst vereist. De getroffen CSS-secties zijn niet toegepast op de pagina. Deze stijl is waarschijnlijk gecreëerd met Stylish-voor-Chrome, welke onjuist controleert op 'regexp()'-regels sinds de allereerste versie (bekende fout).",
+		"description": ""
+	},
+	"linterCSSLintSettings": {
+		"message": "(stel regel in als volgt: 0 = uitgeschakeld; 1 = waarschuwing; 2 = fout)",
+		"description": "CSSLint rule config values"
+	},
+	"styleBeautifyIndentConditional": {
+		"message": "@media, @supports inspringen",
+		"description": "CSS-beautifier option"
+	},
 	"unreachableContentScript": {
 		"message": "Kan niet communiceren met de pagina. Probeer het tabblad te herladen.",
 		"description": "Note in the toolbar popup usually on file:// URLs after [re]loading Stylus"
@@ -449,6 +586,10 @@
 		"message": "Alle stijlen uitschakelen",
 		"description": "Label for the checkbox that turns all enabled styles off."
 	},
+	"appliesLineWidgetLabel": {
+		"message": "Toont 'Toepasbaar op'-informatie",
+		"description": "Label for the checkbox to display applies-to information in the single editor"
+	},
 	"updateCheckSkippedMaybeLocallyEdited": {
 		"message": "Deze stijl is waarschijnlijk lokaal bewerkt.",
 		"description": "Text that displays when an update check skipped updating the style to avoid losing possible local modifications"
@@ -457,6 +598,10 @@
 		"message": "Ongedaan maken (alle secties)",
 		"description": "CSS-beautify global Undo button label"
 	},
+	"optionsCustomizeIcon": {
+		"message": "Werkbalkpictogram",
+		"description": ""
+	},
 	"updateCompleted": {
 		"message": "Update voltooid.",
 		"description": "Text that displays when an update completed"
@@ -473,22 +618,66 @@
 		"message": "Aantal 'toepasbaar op'-items",
 		"description": "Label for the numeric input box to limit max number of applies-to targets in the new UI on manage page"
 	},
+	"popupManageTooltip": {
+		"message": "Shift-klik of rechtsklik opent de beheerder met stijlen die toepasbaar zijn op de huidige site",
+		"description": "Tooltip for the 'Manage' button in the popup."
+	},
 	"manageFaviconsHelp": {
 		"message": "Stylus gebruikt een externe dienst https://www.google.com/s2/favicons",
 		"description": "Label for the checkbox that toggles applies-to favicons in the new UI on manage page"
 	},
+	"styleInstallOverwrite": {
+		"message": "'$stylename$' is al geïnstalleerd. Overschrijven?\nVersie: $oldVersion$ -> $newVersion$",
+		"description": "Confirmation when re-installing a style",
+		"placeholders": {
+			"stylename": {
+				"content": "$1"
+			},
+			"newVersion": {
+				"content": "$3"
+			},
+			"oldVersion": {
+				"content": "$2"
+			}
+		}
+	},
 	"updateCheckSkippedLocallyEdited": {
 		"message": "Deze stijl is lokaal bewerkt.",
 		"description": "Text that displays when an update check skipped updating the style to avoid losing local modifications"
 	},
+	"linterRulesLink": {
+		"message": "Volledige regellijst bekijken",
+		"description": "Stylelint or CSSLint rules label added immediately before a link"
+	},
+	"styleUpdateDiscardChanges": {
+		"message": "Deze stijl is gewijzigd buiten de bewerker om. Wil je de stijl herladen?",
+		"description": "Confirmation to update the style in the editor"
+	},
 	"optionsResetButton": {
 		"message": "Standaardwaarden",
 		"description": ""
 	},
+	"externalUsercssDocument": {
+		"message": "Documentatie voor Usercss",
+		"description": "Label for the external link to usercss documentation"
+	},
 	"optionsAdvancedContextDelete": {
 		"message": "'Verwijderen' toevoegen aan rechtermuisknopmenu van bewerker",
 		"description": ""
 	},
+	"linterConfigPopupTitle": {
+		"message": "$linter$-regelsconfiguratie instellen",
+		"description": "Stylelint or CSSLint popup header",
+		"placeholders": {
+			"linter": {
+				"content": "$1"
+			}
+		}
+	},
+	"configureStyle": {
+		"message": "Instellen",
+		"description": "Label for the button to configure usercss userstyle"
+	},
 	"importReportLegendUpdatedBoth": {
 		"message": "meta-informatie en code bijgewerkt",
 		"description": "Text after the number of styles updated entirely in the report shown after importing styles"
@@ -513,10 +702,60 @@
 		"message": "Stijl bewerken",
 		"description": "Title of the page for editing styles"
 	},
+	"editDeleteText": {
+		"message": "Verwijderen",
+		"description": "Label for the context menu item in the editor to delete selected text"
+	},
+	"cm_autocompleteOnTyping": {
+		"message": "Auto-aanvullen tijdens typen",
+		"description": "Label for the checkbox in the style editor."
+	},
+	"linterCSSLintIncompatible": {
+		"message": "CSSLint heeft geen ondersteuning voor $preprocessorname$",
+		"description": "The label to display when the preprocessor isn't compatible with CSSLint",
+		"placeholders": {
+			"preprocessorname": {
+				"content": "$1"
+			}
+		}
+	},
+	"styleMetaErrorSelectValueMismatch": {
+		"message": "Ongeldige @select: waarde staat niet op de lijst",
+		"description": "Error displayed when the value of @select is invalid"
+	},
+	"styleMetaErrorColor": {
+		"message": "$color$ is geen geldige kleur",
+		"description": "Error displayed when the value of @var color is invalid",
+		"placeholders": {
+			"color": {
+				"content": "$1"
+			}
+		}
+	},
+	"manageOnlyDisabled": {
+		"message": "Alleen uitgeschakelde stijlen",
+		"description": "Checkbox to show only disabled styles"
+	},
+	"stylusUnavailableForURLdetails": {
+		"message": "Omwille van beveiligingsredenen, verbiedt de browser extensies op ingebouwde pagina's (zoals chrome://version, de standaard nieuwe tabblad-pagina sinds Chrome 61, about:addons, enz.) alsmede andere extensiepagina's. Elke browser beperkt ook de toegang tot de extensiegalerij (zoals de Chrome Web Store of AMO).",
+		"description": "Sub-note in the toolbar pop-up when on a URL Stylus can't affect"
+	},
+	"cm_matchHighlightSelection": {
+		"message": "Alleen selectie",
+		"description": "Style editor's 'highglight' drop-down list option: highlight the occurrences of currently selected text"
+	},
+	"updateAllCheckSucceededSomeEdited": {
+		"message": "Sommige stijlen die kunnen worden bijgewerkt zijn niet gecontroleerd om mogelijke lokale bewerkingen te behouden. Updates kunnen worden geforceerd door de stijlen individueel te controleren of door alle stijlen opnieuw te controleren (lokale bewerkingen worden overschreven).",
+		"description": "Text that displays when an update all check completed and no updates are available"
+	},
 	"stylusUnavailableForURL": {
 		"message": "Stylus werkt niet op pagina's als deze.",
 		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
 	},
+	"popupBorders": {
+		"message": "Witte randen toevoegen aan zijkanten",
+		"description": ""
+	},
 	"manageOnlyUpdates": {
 		"message": "Alleen bij updates of problemen",
 		"description": "Checkbox to show only styles that have updates after check-all-styles-for-updates was performed"
@@ -525,6 +764,14 @@
 		"message": "Stijl toevoegen",
 		"description": "Title of the page for adding styles"
 	},
+	"externalLink": {
+		"message": "Externe link",
+		"description": "Label for external links"
+	},
+	"externalHomepage": {
+		"message": "Website",
+		"description": "Label for the external link to style's homepage"
+	},
 	"importReplaceLabel": {
 		"message": "Stijl overschrijven",
 		"description": "Label for the button to import and overwrite current style"
@@ -537,6 +784,10 @@
 		"message": "Geavanceerd",
 		"description": ""
 	},
+	"alphaChannel": {
+		"message": "Doorzichtigheid",
+		"description": "Label of color's opacity"
+	},
 	"importAppendTooltip": {
 		"message": "Geïmporteerde stijl toevoegen aan huidige stijl",
 		"description": "Tooltip for the button to import a style and append to the existing sections"
@@ -557,6 +808,10 @@
 		"message": "Ongeldige regexps overgeslagen",
 		"description": "RegExp test report: label for the invalid expressions"
 	},
+	"manageOnlyExternal": {
+		"message": "Alleen externe stijlen",
+		"description": "Checkbox to show only externally installed styles i.e. updatable"
+	},
 	"replaceAll": {
 		"message": "Alles vervangen",
 		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
@@ -585,10 +840,23 @@
 		"message": "Opties",
 		"description": "Go to Options UI"
 	},
+	"colorpickerTooltip": {
+		"message": "Kleurkiezer openen",
+		"description": "Tooltip for the colored squares shown before CSS colors in the style editor."
+	},
 	"optionsCustomizeBadge": {
 		"message": "Badge op het werkbalkpictogram",
 		"description": ""
 	},
+	"installUpdateFrom": {
+		"message": "De stijl wordt momenteel bijgewerkt via $url$",
+		"description": "Label to describe where the style gets update",
+		"placeholders": {
+			"url": {
+				"content": "$1"
+			}
+		}
+	},
 	"importReportLegendIdentical": {
 		"message": "gelijke overgeslagen",
 		"description": "Text after the number of styles skipped due to being identical to the already installed ones in the report shown after importing styles"
@@ -597,10 +865,35 @@
 		"message": "Pop-upbreedte (in pixels)",
 		"description": ""
 	},
+	"cm_autoCloseBrackets": {
+		"message": "Haken en citaten automatisch sluiten",
+		"description": "Label for the checkbox in the style editor."
+	},
+	"installButtonReinstall": {
+		"message": "Stijl herinstalleren",
+		"description": "Label for reinstall button"
+	},
+	"linterInvalidConfigError": {
+		"message": "Niet opgeslagen vanwege ongeldige configuratie-instellingen:",
+		"description": "Invalid linter config will show a message followed by a list of invalid entries"
+	},
 	"confirmNo": {
 		"message": "Nee",
 		"description": "'No' button in a confirm dialog"
 	},
+	"styleMissingMeta": {
+		"message": "Ontbrekende metagegevens @ $key$",
+		"description": "Error displayed when a mandatory metadata is missing",
+		"placeholders": {
+			"key": {
+				"content": "$1"
+			}
+		}
+	},
+	"appliesLineWidgetWarning": {
+		"message": "Werkt niet met minified CSS",
+		"description": "A warning that applies-to information won't show properly with minified CSS"
+	},
 	"undo": {
 		"message": "Ongedaan maken",
 		"description": "Button label"
@@ -609,6 +902,14 @@
 		"message": "Toetsenbordindeling",
 		"description": "Label for the drop-down list controlling the keymap for the style editor."
 	},
+	"externalSupport": {
+		"message": "Ondersteuning",
+		"description": "Label for the external link to style's support site"
+	},
+	"confirmSave": {
+		"message": "Opslaan",
+		"description": "'Save' button in a confirm dialog"
+	},
 	"manageNewUI": {
 		"message": "Nieuwe indeling van beheerscherm",
 		"description": "Label for the checkbox that toggles the new UI on manage page"
@@ -629,6 +930,10 @@
 		"message": "Vervangen door",
 		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
 	},
+	"liveReloadError": {
+		"message": "Er is een fout opgetreden tijdens het bekijken van het bestand",
+		"description": "The label of live-reload error"
+	},
 	"deleteStyleLabel": {
 		"message": "Verwijderen",
 		"description": "Label for the button to delete a style"
@@ -637,6 +942,15 @@
 		"message": "Update installeren (lokale bewerkingen worden overschreven)",
 		"description": "Additional text displayed when an update check skipped updating the style to avoid losing local modifications"
 	},
+	"styleInstallFailed": {
+		"message": "Installeren van gebruikersstijl mislukt!\n$error$",
+		"description": "Warning when installation failed",
+		"placeholders": {
+			"error": {
+				"content": "$1"
+			}
+		}
+	},
 	"optionsAdvancedExposeIframes": {
 		"message": "iframes blootleggen via HTML[stylus-iframe]",
 		"description": ""
@@ -645,6 +959,10 @@
 		"message": "Nieuwe stijl schrijven",
 		"description": "Label for the button to go to the add style page"
 	},
+	"installButtonUpdate": {
+		"message": "Stijl bijwerken",
+		"description": "Label for update button"
+	},
 	"backupButtons": {
 		"message": "Back-uppen",
 		"description": "Heading for backup"
@@ -657,10 +975,26 @@
 		"message": "Bewerken",
 		"description": "Label for the button to go to the edit style page"
 	},
+	"installButtonInstalled": {
+		"message": "Stijl geïnstalleerd",
+		"description": "Text displayed when the style is successfully installed"
+	},
+	"author": {
+		"message": "Auteur",
+		"description": "Label for the style author"
+	},
 	"cm_theme": {
 		"message": "Thema",
 		"description": "Label for the style editor's CSS theme."
 	},
+	"popupOpenEditInWindow": {
+		"message": "Bewerker openen in nieuw venster",
+		"description": "Label for the checkbox controlling 'edit' action behavior in the popup."
+	},
+	"appliesRemoveError": {
+		"message": "Laatste 'toepasbaar op'-vermelding kan niet worden verwijderd",
+		"description": "Error displayed when the last 'applies' is going to be removed"
+	},
 	"backupMessage": {
 		"message": "Selecteer een bestand of versleep het naar deze pagina.",
 		"description": "Message for backup"
@@ -673,8 +1007,16 @@
 		"message": "Voer een commandonaam in",
 		"description": "Placeholder text of inputbox in keymap help popup on the edit style page. Must be very short"
 	},
+	"linterResetMessage": {
+		"message": "Druk op Ctrl-Z (of Cmd-Z) in het tekstvak om ongedaan te maken",
+		"description": "Reset button tooltip to inform user on how to undo an accidental reset"
+	},
 	"description": {
 		"message": "Voorzie het web van een ander uiterlijk met Stylus, een gebruikersstijlbeheerder. Stylus stelt je in staat om eenvoudig thema's en stijlen te installeren voor vele populaire websites.",
 		"description": "Extension description"
+	},
+	"confirmClose": {
+		"message": "Sluiten",
+		"description": "'Close' button in a confirm dialog"
 	}
 }
diff --git a/_locales/pt_BR/messages.json b/_locales/pt_BR/messages.json
index dee6998e..c3515cac 100644
--- a/_locales/pt_BR/messages.json
+++ b/_locales/pt_BR/messages.json
@@ -3,6 +3,22 @@
 		"message": "Tudo",
 		"description": "Text displayed for styles that apply to all sites"
 	},
+	"defaultTheme": {
+		"message": "padrão",
+		"description": "Default CodeMirror CSS theme option on the edit style page"
+	},
+	"bckpInstStyles": {
+		"message": "Exportar estilos",
+		"description": ""
+	},
+	"exportLabel": {
+		"message": "Exportar ",
+		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
+	},
+	"optionsBadgeNormal": {
+		"message": "Cor de fundo",
+		"description": ""
+	},
 	"enableStyleLabel": {
 		"message": "Ativar",
 		"description": "Label for the button to enable a style"
@@ -19,10 +35,26 @@
 		"message": "Verificar atualizações",
 		"description": "Label for the button to check a single style for an update"
 	},
+	"importAppendLabel": {
+		"message": "Anexar ao estilo",
+		"description": "Label for the button to import a style and append to the existing sections"
+	},
+	"updateAllCheckSucceededNoUpdate": {
+		"message": "Nenhuma atualização encontrada.",
+		"description": "Text that displays when an update all check completed and no updates are available"
+	},
 	"helpAlt": {
 		"message": "Ajuda",
 		"description": "Alternate text for help buttons"
 	},
+	"search": {
+		"message": "Buscar",
+		"description": "Label before the search input field in the editor shown on Ctrl-F"
+	},
+	"confirmYes": {
+		"message": "Sim",
+		"description": "'Yes' button in a confirm dialog"
+	},
 	"findStylesForSite": {
 		"message": "Procurar mais estilos para este site",
 		"description": "Text for a link that gets a list of styles for the current site"
@@ -31,6 +63,10 @@
 		"message": "Estilos instalados",
 		"description": "Heading for the manage page"
 	},
+	"styleBeautify": {
+		"message": "Embelezar",
+		"description": "Label for the CSS-beautifier button on the edit style page"
+	},
 	"styleEnabledLabel": {
 		"message": "Ativado",
 		"description": "Label for the enabled state of styles"
@@ -47,6 +83,30 @@
 		"message": "Salvar",
 		"description": "Label for save button for style editing"
 	},
+	"confirmDelete": {
+		"message": "Deletar",
+		"description": ""
+	},
+	"confirmCancel": {
+		"message": "Cancelar",
+		"description": ""
+	},
+	"retrieveBckp": {
+		"message": "Importar estilos",
+		"description": ""
+	},
+	"confirmStop": {
+		"message": "Parar",
+		"description": "'Stop' button in a confirm dialog"
+	},
+	"writeStyleForURL": {
+		"message": "esse URL",
+		"description": "Text for link in toolbar pop-up to write a new style for the current URL"
+	},
+	"optionsSubheading": {
+		"message": "Mais Opções",
+		"description": "Subheading for options section on manage page."
+	},
 	"appliesAdd": {
 		"message": "Adicionar",
 		"description": "Label for the button to add an 'applies' entry"
@@ -64,6 +124,18 @@
 			}
 		}
 	},
+	"optionsBadgeDisabled": {
+		"message": "Cor de fundo quando desativado",
+		"description": ""
+	},
+	"optionsCheck": {
+		"message": "Atualizar estilos",
+		"description": ""
+	},
+	"searchStyles": {
+		"message": "Buscar conteúdos",
+		"description": "Label for the search filter textbox on the Manage styles page"
+	},
 	"disableStyleLabel": {
 		"message": "Desativar",
 		"description": "Label for the button to disable a style"
@@ -80,14 +152,30 @@
 		"message": "Você fez alterações neste estilo sem salvar.",
 		"description": "Text for the prompt when changes are made to a style and the user tries to leave without saving"
 	},
+	"importLabel": {
+		"message": "Importar",
+		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
+	},
 	"updateCheckFailServerUnreachable": {
 		"message": "A atualização falhou: servidor inacessível.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
 	},
+	"applyAllUpdates": {
+		"message": "Aplicar todas as atualizações",
+		"description": "Label for the button to apply all detected updates"
+	},
 	"deleteStyleConfirm": {
 		"message": "Tem certeza de que deseja excluir este estilo?",
 		"description": "Confirmation before deleting a style"
 	},
+	"styleBadRegexp": {
+		"message": "Expressão regular é inválida",
+		"description": "Validation message for a bad regexp in a style"
+	},
+	"optionsHeading": {
+		"message": "Opções",
+		"description": "Heading for options section on manage page."
+	},
 	"appliesDisplay": {
 		"message": "Aplica-se a: $applies$",
 		"description": "Text on the manage screen to describe what the style applies to",
@@ -134,10 +222,18 @@
 		"message": "Remover",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
+	"replace": {
+		"message": "Substituir",
+		"description": "Label before the replace input field in the editor shown on Ctrl-H"
+	},
 	"appliesLabel": {
 		"message": "Aplica-se a",
 		"description": "Label for 'applies to' fields on the edit/add screen"
 	},
+	"openOptionsPopup": {
+		"message": "Opções",
+		"description": "Go to Options UI"
+	},
 	"openManage": {
 		"message": "Gerenciar estilos instalados",
 		"description": "Link to open the manage page."
@@ -159,10 +255,22 @@
 		"message": "Instalar atualização",
 		"description": "Label for the button to install an update for a single style"
 	},
+	"styleMozillaFormatHeading": {
+		"message": "Formato Mozilla",
+		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
+	},
 	"sectionRemove": {
 		"message": "Remover seção",
 		"description": "Label for the button to remove a section"
 	},
+	"disableAllStyles": {
+		"message": "Desativar todos os estilos",
+		"description": "Label for the checkbox that turns all enabled styles off."
+	},
+	"undoGlobal": {
+		"message": "Desfazer todas as seções",
+		"description": "CSS-beautify global Undo button label"
+	},
 	"updateCompleted": {
 		"message": "Atualização concluída.",
 		"description": "Text that displays when an update completed"
@@ -187,10 +295,46 @@
 		"message": "Adicionar estilo",
 		"description": "Title of the page for adding styles"
 	},
+	"importReplaceLabel": {
+		"message": "Sobrescrever estilo",
+		"description": "Label for the button to import and overwrite current style"
+	},
+	"importAppendTooltip": {
+		"message": "Anexar o estilo importado ao atual",
+		"description": "Tooltip for the button to import a style and append to the existing sections"
+	},
+	"optionsOpen": {
+		"message": "Abrir",
+		"description": ""
+	},
+	"replaceAll": {
+		"message": "Substituir todos",
+		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
+	},
+	"optionsActions": {
+		"message": "Ações",
+		"description": ""
+	},
+	"editGotoLine": {
+		"message": "Ir para linha (ou linha:coluna)",
+		"description": "Go to line or line:column on Ctrl-G in style code editor"
+	},
 	"checkAllUpdates": {
 		"message": "Verificar atualizações para todos os estilos",
 		"description": "Label for the button to check all styles for updates"
 	},
+	"confirmNo": {
+		"message": "Não",
+		"description": "'No' button in a confirm dialog"
+	},
+	"undo": {
+		"message": "Desfazer",
+		"description": "Button label"
+	},
+	"replaceWith": {
+		"message": "Substituir com",
+		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
+	},
 	"deleteStyleLabel": {
 		"message": "Excluir",
 		"description": "Label for the button to delete a style"
@@ -203,6 +347,10 @@
 		"message": "Editar",
 		"description": "Label for the button to go to the edit style page"
 	},
+	"cm_theme": {
+		"message": "Tema",
+		"description": "Label for the style editor's CSS theme."
+	},
 	"description": {
 		"message": "Mude o estilo da web com o Stylus, um gerenciador de estilos do usuário. O Stylus permite instalar facilmente temas e skins para Google, Facebook, YouTube, Orkut e muitos, muitos outros sites.",
 		"description": "Extension description"
diff --git a/_locales/sv/messages.json b/_locales/sv/messages.json
index 25af1e4e..b6eae82a 100644
--- a/_locales/sv/messages.json
+++ b/_locales/sv/messages.json
@@ -3,8 +3,16 @@
 		"message": "Allt",
 		"description": "Text displayed for styles that apply to all sites"
 	},
+	"manageOnlyUsercss": {
+		"message": "Endast Usercss stilar",
+		"description": "Checkbox to show only Usercss styles"
+	},
+	"exportLabel": {
+		"message": "Exportera",
+		"description": "Label for the button to export a style ('edit' page) or all styles ('manage' page)"
+	},
 	"cm_tabSize": {
-		"message": "Flikstorlek",
+		"message": "Tabbstorlek",
 		"description": "Label for the text box controlling tab size option for the style editor."
 	},
 	"enableStyleLabel": {
@@ -15,6 +23,10 @@
 		"message": "Ange ett namn",
 		"description": "Error displayed when user saves without providing a name"
 	},
+	"genericHistoryLabel": {
+		"message": "Historik",
+		"description": "Used in various places to show a history log of something"
+	},
 	"appliesDomainOption": {
 		"message": "URL:er på domänen",
 		"description": "Option to make the style apply to the entered string as a domain"
@@ -23,14 +35,38 @@
 		"message": "Leta efter uppdatering",
 		"description": "Label for the button to check a single style for an update"
 	},
+	"styleFromMozillaFormatError": {
+		"message": "Import av Mozilla-format misslyckades",
+		"description": "Label for the import error"
+	},
+	"importAppendLabel": {
+		"message": "Lägg till i stil",
+		"description": "Label for the button to import a style and append to the existing sections"
+	},
 	"updateAllCheckSucceededNoUpdate": {
 		"message": "Alla stilar är fullt uppdaterade.",
 		"description": "Text that displays when an update all check completed and no updates are available"
 	},
+	"styleFromMozillaFormatPrompt": {
+		"message": "Klistra in koden i Mozilla-formatet",
+		"description": "Prompt in the dialog displayed after clicking 'Import from Mozilla format' button"
+	},
 	"helpAlt": {
 		"message": "Hjälp",
 		"description": "Alternate text for help buttons"
 	},
+	"search": {
+		"message": "Sök",
+		"description": "Label before the search input field in the editor shown on Ctrl-F"
+	},
+	"genericEnabledLabel": {
+		"message": "Aktiverad",
+		"description": "Used in various lists/options to indicate that something is enabled"
+	},
+	"confirmYes": {
+		"message": "Ja",
+		"description": "'Yes' button in a confirm dialog"
+	},
 	"findStylesForSite": {
 		"message": "Hitta fler stilar för denna sida",
 		"description": "Text for a link that gets a list of styles for the current site"
@@ -76,6 +112,22 @@
 			}
 		}
 	},
+	"manageOnlyLocal": {
+		"message": "Endast lokalt skapade stilar",
+		"description": "Checkbox to show only locally created styles i.e. non-updatable"
+	},
+	"searchStyles": {
+		"message": "Sök innehåll",
+		"description": "Label for the search filter textbox on the Manage styles page"
+	},
+	"manageOnlyNonUsercss": {
+		"message": "Endast icke-Usercss stilar",
+		"description": "Checkbox to show only non-Usercss (standard) styles"
+	},
+	"linkGetStyles": {
+		"message": "Skaffa stilar",
+		"description": "Help link text on the manage page e.g. https://userstyles.org"
+	},
 	"disableStyleLabel": {
 		"message": "Inaktivera",
 		"description": "Label for the button to disable a style"
@@ -100,6 +152,10 @@
 		"message": "Du har gjort ändringar i denna stil utan att spara.",
 		"description": "Text for the prompt when changes are made to a style and the user tries to leave without saving"
 	},
+	"importLabel": {
+		"message": "Importera",
+		"description": "Label for the button to import a style ('edit' page) or all styles ('manage' page)"
+	},
 	"updateCheckFailServerUnreachable": {
 		"message": "Uppdateringen misslyckades: server onåbar.",
 		"description": "Text that displays when an update check failed because the update server is unreachable"
@@ -146,6 +202,10 @@
 		"message": "Sektioner",
 		"description": "Title for the style sections section"
 	},
+	"optionsAdvancedNewStyleAsUsercss": {
+		"message": "Skriv ny stil som Usercss",
+		"description": ""
+	},
 	"editStyleTitle": {
 		"message": "Ändra i Stil $stylename$",
 		"description": "Title of the page for editing styles",
@@ -163,6 +223,10 @@
 		"message": "URL:er som börjar på",
 		"description": "Option to make the style apply to the entered string as a URL prefix"
 	},
+	"searchRegexp": {
+		"message": "Använd /re/ för regexp-sökning",
+		"description": "Label after the search input field in the editor shown on Ctrl-F"
+	},
 	"popupStylesFirst": {
 		"message": "Lista stilar före kommandon i verktygsfältets knappmeny",
 		"description": "Label for the checkbox controlling section order in the popup."
@@ -183,14 +247,18 @@
 		"message": "Ta bort",
 		"description": "Label for the button to remove an 'applies' entry"
 	},
-	"manageTitle": {
-		"message": "Tyylikäs",
-		"description": "Title for the manage page"
+	"styleToMozillaFormatTitle": {
+		"message": "Stil i Mozilla-format",
+		"description": "Title of the popup with the style code in Mozilla format, shown after pressing the Export button on Edit style page"
 	},
 	"writeStyleFor": {
 		"message": "Skriv stil för:",
 		"description": "Label for toolbar pop-up that precedes the links to write a new style"
 	},
+	"replace": {
+		"message": "Ersätt",
+		"description": "Label before the replace input field in the editor shown on Ctrl-H"
+	},
 	"appliesLabel": {
 		"message": "Gäller för",
 		"description": "Label for 'applies to' fields on the edit/add screen"
@@ -216,6 +284,10 @@
 		"message": "Installera uppdatering",
 		"description": "Label for the button to install an update for a single style"
 	},
+	"styleMozillaFormatHeading": {
+		"message": "Mozilla-format",
+		"description": "Heading for the section with buttons to import/export Mozilla format of the style"
+	},
 	"sectionRemove": {
 		"message": "Ta bort sektion",
 		"description": "Label for the button to remove a section"
@@ -224,6 +296,10 @@
 		"message": "Stäng av alla stilar",
 		"description": "Label for the checkbox that turns all enabled styles off."
 	},
+	"undoGlobal": {
+		"message": "Ångra i alla sektioner",
+		"description": "CSS-beautify global Undo button label"
+	},
 	"updateCompleted": {
 		"message": "Uppdatering slutförd.",
 		"description": "Text that displays when an update completed"
@@ -236,6 +312,10 @@
 		"message": "Kod",
 		"description": "Label for the code for a section"
 	},
+	"externalUsercssDocument": {
+		"message": "Dokumentation för Usercss",
+		"description": "Label for the external link to usercss documentation"
+	},
 	"cm_smartIndent": {
 		"message": "Använd smart indrag",
 		"description": "Label for the checkbox controlling smart indentation option for the style editor."
@@ -244,10 +324,18 @@
 		"message": "Använd 'Gäller för' alternativet för att begränsa vilka URL:er koden i denna sektion gäller för.",
 		"description": "Help text for 'applies to' section"
 	},
+	"linkGetHelp": {
+		"message": "Hjälp",
+		"description": "Homepage link text on the manage page e.g. https://add0n.com/stylus.html#features with chat/FAQ/intro/info"
+	},
 	"editStyleHeading": {
 		"message": "Ändra i Stil",
 		"description": "Title of the page for editing styles"
 	},
+	"manageOnlyDisabled": {
+		"message": "Endast inaktiverade stilar",
+		"description": "Checkbox to show only disabled styles"
+	},
 	"stylusUnavailableForURL": {
 		"message": "Stylus fungerar inte på sidor som denna.",
 		"description": "Note in the toolbar pop-up when on a URL Stylus can't affect"
@@ -256,26 +344,66 @@
 		"message": "Lägg till stil",
 		"description": "Title of the page for adding styles"
 	},
+	"importReplaceLabel": {
+		"message": "Ersätt stil",
+		"description": "Label for the button to import and overwrite current style"
+	},
 	"dbError": {
 		"message": "Ett fel inträffades vid hanteringen av Stylus-databasen. Skulle du vilja besöka en sida med eventuella lösningar?",
 		"description": "Prompt when a DB error is encountered"
 	},
+	"importAppendTooltip": {
+		"message": "Lägg till den importerad stilen i aktuell stil",
+		"description": "Tooltip for the button to import a style and append to the existing sections"
+	},
+	"manageOnlyExternal": {
+		"message": "Endast externa stilar",
+		"description": "Checkbox to show only externally installed styles i.e. updatable"
+	},
+	"replaceAll": {
+		"message": "Ersätt alla",
+		"description": "Label before the replace input field in the editor shown on 'replaceAll' hotkey"
+	},
 	"editGotoLine": {
 		"message": "Gå till rad (eller rad:kol)",
 		"description": "Go to line or line:column on Ctrl-G in style code editor"
 	},
 	"checkAllUpdates": {
-		"message": "Leta igenom alla stilar efter uppdateringar",
+		"message": "Sök efter uppdateringar",
 		"description": "Label for the button to check all styles for updates"
 	},
+	"manageNewStyleAsUsercss": {
+		"message": "som Usercss",
+		"description": "VERY SHORT label for the checkbox next to the 'Write new style' button in the style manager"
+	},
+	"confirmNo": {
+		"message": "Nej",
+		"description": "'No' button in a confirm dialog"
+	},
+	"undo": {
+		"message": "Ångra",
+		"description": "Button label"
+	},
 	"cm_keyMap": {
 		"message": "Nyckelkarta",
 		"description": "Label for the drop-down list controlling the keymap for the style editor."
 	},
+	"confirmSave": {
+		"message": "Spara",
+		"description": "'Save' button in a confirm dialog"
+	},
+	"genericDisabledLabel": {
+		"message": "Inaktiverad",
+		"description": "Used in various lists/options to indicate that something is disabled"
+	},
 	"cm_indentWithTabs": {
-		"message": "Använd flikar med smart indrag",
+		"message": "Använd tabbar med smart indrag",
 		"description": "Label for the checkbox controlling tabs with smart indentation option for the style editor."
 	},
+	"replaceWith": {
+		"message": "Ersätt med",
+		"description": "Label before the replace-with input field in the editor shown on Ctrl-H etc."
+	},
 	"deleteStyleLabel": {
 		"message": "Ta bort",
 		"description": "Label for the button to delete a style"
@@ -292,8 +420,16 @@
 		"message": "Ändra",
 		"description": "Label for the button to go to the edit style page"
 	},
+	"cm_theme": {
+		"message": "Tema",
+		"description": "Label for the style editor's CSS theme."
+	},
 	"description": {
 		"message": "Style:a om webben med Stylus, en användarstils-hanterare. Stylus låter dig enkelt installera teman och skal för många populära sidor.",
 		"description": "Extension description"
+	},
+	"confirmClose": {
+		"message": "Stäng",
+		"description": "'Close' button in a confirm dialog"
 	}
 }