A lot of string resources are removed due to missing default value

While looking at my last build log for Fenix (built using tor-browser-build) I am seeing warnings like

warn: removing resource
org.torproject.torbrowser_debug:string/app_name_private_2 without
required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/app_name_private_3 without
required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/bookmark_deletion_multiple_snackbar_message
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/browser_menu_addon_manager
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/browser_menu_report_issue without
required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/browser_menu_save_to_collection
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/browser_menu_your_library without
required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/collections_description without
required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/default_device_name without
required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/etp_onboarding_message_2 without
required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/library_title without required
default value.
warn: removing resource
org.torproject.torbrowser_debug:string/mozac_feature_downloads_open_not_supported
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/mozac_feature_prompt_logins_save_message
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/mozac_selection_context_menu_search
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/mozac_selection_context_menu_search_privately
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/no_collections_description
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/no_collections_header without
required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/no_open_tabs_header_2 without
required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/onboarding_tracking_protection_description1
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/onboarding_tracking_protection_header
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/onboarding_tracking_protection_standard_button
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/onboarding_tracking_protection_standard_button_description
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/onboarding_tracking_protection_strict_button_description
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/pair_instructions without
required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_accessibility_auto_size
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_enhanced_tracking_protection_custom_description
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_enhanced_tracking_protection_standard
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_enhanced_tracking_protection_standard_description
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_enhanced_tracking_protection_standard_description_2
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_enhanced_tracking_protection_standard_option
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_enhanced_tracking_protection_strict_default
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_enhanced_tracking_protection_strict_default_description
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_enhanced_tracking_protection_strict_description
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_enhanced_tracking_protection_strict_recommended
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_option_autoplay_allowed
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_option_autoplay_allowed_wifi_only
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_option_autoplay_block_audio
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_option_autoplay_blocked
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preference_option_autoplay_blocked2
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preferences_delete_browsing_data_on_quit_browsing_history
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/preferences_delete_browsing_data_tabs_title
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/private_browsing_placeholder_description
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/tabs_menu_save_to_collection
without required default value.
warn: removing resource
org.torproject.torbrowser_debug:string/tip_firefox_preview_moved_button
without required default value.

Might be harmless. Or maybe not, hard to say.