New: 1. You can now correct an accidentally entered vehicle mileage after confirmation. 2. Feedback can now include optional diagnostics with no personal information to help us investigate issues faster. 3. Members can now add and manage custom maintenance items for each vehicle. Improvements: 1. Improved backup restore so your existing data is better protected if something goes wrong. 2. Improved service reminders for more reliable setup, cancellation, and restoration. 3. Improved Stats performance when you have more records or switch time ranges. 4. Improved vehicle deletion and device data clearing so related content is handled together. 5. Improved accessibility support for numeric input, vehicle actions, charts, and maintenance item icon selection. Fixes: 1. Fixed an issue where related records or reminders could remain after deleting a vehicle. 2. Fixed display issues that could occur when a backup restore did not finish. 3. Fixed inaccurate confirmation messages when saving service reminders. 4. Fixed display issues with mileage guidance, data loading, and saving edits.

New: 1. Added custom record options for members, including fuel stations, fuel grades, and charge types. 2. Added a Custom Management entry under Data Management. 3. Custom record options now support backup and restore. Improvements: 1. Fuel station and fuel grade selection is now quicker with horizontal options. 2. Charge types can now be customized for more flexible charge records. 3. Custom options can be sorted, enabled, or disabled. 4. Custom Management is clearer, with each option type managed separately. 5. Improved membership experience with more stable purchase status recognition. 6. Default charge type options now follow the app language. 7. Improved export and backup file management to reduce old file buildup. 8. Improved return navigation across multiple pages. Fixes: 1. Fixed cases where membership status or premium features could behave inconsistently. 2. Fixed optional fuel record fields not being cleared correctly when editing. 3. Fixed custom option add dialogs appearing at the wrong time. 4. Fixed missing swipe-back navigation on custom management pages. 5. Fixed saved values from older records not appearing properly in the option area. 6. Fixed custom option changes potentially being lost when saving fails. 7. Fixed local backup export files potentially piling up over time. 8. Fixed reminder state that could remain after service reminders were disabled or unavailable. 9. Fixed inconsistent return behavior on some pages.

New: 1. Added Plug-in Hybrid vehicles with fuel, charging, and service records. 2. Added fuel and battery state tracking for plug-in hybrid replenishment records to improve consumption stats. Improvements: 1. Required prompts are clearer when charging or plug-in hybrid records need key information. 2. Plug-in hybrid fuel and electric stats are calculated separately, so one side can remain available when the other lacks data. 3. Default maintenance items now better match each vehicle type, including more accurate suggestions for electrified vehicles. 4. Charge discounts and paid amounts are preserved separately for clearer review and export. 5. Export reports now include plug-in hybrid fuel and battery state details. Fixes: 1. Fixed the missing dedicated Plug-in Hybrid vehicle entry. 2. Fixed unclear prompts when required fuel or battery information was missing. 3. Fixed existing vehicles not receiving newly added default maintenance items. 4. Fixed charge record discounts being lost after save. 5. Fixed duplicate low-voltage battery-related default service items for plug-in hybrids.

New: 1. Added a membership offer redemption entry in Membership Center using App Store redemption. Improvements: 1. Improved year selection in Energy Details for a more consistent filtering experience. 2. Fuel, charging, and replenishment detail pages now share a more consistent year filter interaction. 3. Improved Feedback with quick support access and clearer feedback categories. 4. Feedback prompts are now more specific for backup, membership, purchase, and app issues. 5. Improved export file saving so files are less likely to be lost after canceling share. 6. Improved Membership Center purchase actions with clearer restore and redeem entries. 7. Improved the internal structure of several complex pages for better stability and future updates. Fixes: 1. Fixed inconsistent year picker presentation on Energy Detail pages. 2. Fixed missing guidance when submitting feedback without details. 3. Fixed export files that could be lost when temporary storage is cleaned. 4. Fixed repeated overdue service reminders when repeat overdue reminders are turned off.

New: 1. A redesigned Stats home now shows more relevant data for fuel, hybrid, electric, and range-extender vehicles. 2. New fuel consumption, electric consumption, and cost trends make it easier to see how your driving costs change over time. 3. New cost breakdowns show how much you spent on fuel, charging, and service. 4. More time ranges are available, including this month, last 3 months, last 6 months, this year, and all records. Improvements: 1. The Stats page is easier to scan, with clearer total cost, cost breakdown, and trend sections. 2. Tap a cost category or trend point to review related records and open the original record when an amount needs updating. 3. Empty states now guide you to add the right kind of record for your vehicle. 4. Fuel and charging settlement cards are more consistent, making paid amount, discount, and effective unit price easier to compare. 5. Charging records now show a visual battery range and warn you immediately when the ending battery level is lower than the starting level. 6. Charging type selection is faster, and frequent or recent charging locations can be filled with one tap. 7. Required fields are clearer across fuel, charging, and service records, with more helpful messages when something needs to be completed.

Improvements: 1. Improved premium numeric keyboard and cloud backup preferences so saved choices are not reset when membership access changes. 2. Improved notification permission timing so authorization is requested only when reminders are enabled. 3. Improved local backup export stability by saving exported files in a persistent app folder. 4. Improved empty states across Stats, Fuel, and Maintenance with clearer Add Vehicle actions. 5. Improved long maintenance card text wrapping and accessibility labels for icon-only buttons.

Improvements: 1. Improved mileage input compatibility so records can be saved correctly when mileage is shown with thousands separators. 2. Improved numeric input stability across fuel, charge, service, and vehicle odometer editing. 3. Improved mileage unit conversion and saving consistency. Fixes: 1. Fixed an issue where some users could not save fuel, charge, or service records. 2. Fixed mileage values with thousands separators that could disable the save button. 3. Fixed cases where malformed numeric input could be interpreted incorrectly.

Improvements: 1. Improved membership status loading so premium features appear more consistently when the app starts. 2. Improved premium feature preferences so saved choices are not reset during membership checks. 3. Improved premium numeric keyboard and cloud backup settings so previous choices can continue after membership access returns. 4. Improved Stats chart and key number animations for smoother period changes, trends, and cost updates. 5. Improved interaction feedback for the numeric keyboard, bottom sheets, vehicle editing, backup/restore, and data export flows. 6. Improved Membership and paywall motion for plan changes, button feedback, and membership state changes. 7. Improved empty-state icons, skeleton shimmer, and smoother content replacement after loading. Fixes: 1. Fixed an issue where some premium features could briefly appear disabled during app startup. 2. Fixed cases where premium feature preferences could be reset while membership status was being checked. 3. Fixed an issue where tapping Done on the default numeric keyboard could move to the next field instead of dismissing the keyboard.

Improvements: 1. Improved motion on the Energy home and detail pages for smoother vehicle switching, empty-state changes, and record list updates. 2. Improved tap feedback when opening fuel, charge, and replenishment records. 3. Improved long-list rendering on energy detail pages for a steadier browsing experience. 4. Improved tap feedback for the Energy details entry and vehicle selector.

Improvements: 1. Improved the export page when no vehicle has been added by hiding unavailable export actions. 2. Improved PDF export so electric and range-extended vehicles can export complete charge reports by vehicle type. 3. Improved settings refresh after backup restore, including language, theme, units, and current vehicle state. 4. Improved mileage saving accuracy when adding charge and service records in miles. 5. Improved vehicle info entry by trimming extra spaces from names and optional fields. 6. Improved main tab and quick-add motion for smoother tab switching and expand/collapse transitions. Fixes: 1. Fixed export actions showing when no vehicle has been added. 2. Fixed exported text that could be misread as spreadsheet formulas. 3. Fixed stale local sign-in state after Apple credentials expire or are revoked. 4. Fixed blank vehicle names that could be saved.

Improvements: 1. Unified energy detail pages across fuel, hybrid, electric, and range-extended vehicles for more consistent detail access and record editing. 2. Electric and range-extended energy pages now include a details entry in the top-right corner, making records easier to review. Fixes: 1. Fixed missing detail-list access on electric and range-extended energy pages. 2. Fixed inconsistent energy detail entry and navigation behavior across vehicle types. 3. Fixed an issue where tapping Add Fuel on an empty fuel page could still ask you to add a vehicle first.

Fixes: 1. Fixed several issues that could cause stuttering or freezes.

Fixes: 1. Fixed many issues and bugs to improve overall stability.

New: 1. Added a premium numeric keyboard that shows the current field, value, and unit, making repeated number entry smoother. Improvements: 1. Improved the number entry experience with a more compact premium keyboard that covers less of the form. 2. Improved the numeric keyboard picker so it fully covers the bottom navigation and keeps the choice focused. 3. Improved numeric input consistency across fuel, charging, service, service item, and vehicle management screens. Fixes: 1. Fixed an issue where the premium keyboard could still appear after membership access was unavailable. 2. Fixed mileage units on some screens not following the app's unit setting. 3. Fixed charging cost, price, and amount calculations sometimes overwriting the value currently being typed. 4. Fixed duplicate Done buttons, misplaced input focus, and covered content in some number entry flows.

New: 1. Added four vehicle energy types: fuel, hybrid, electric, and range-extended. 2. Added charge records, electric consumption home, and electric stats for electric and range-extended vehicles. 3. Added a dual-energy home, replenishment list, and separate energy stats for range-extended vehicles. 4. Backup, export, and help now support new-energy vehicles and charge records. Improvements: 1. Energy pages, add-record actions, stats, and exports now adapt to the selected vehicle type. 2. Improved electric and range-extended home, stats, and replenishment records with clearer separate fuel and electric views. 3. Improved charge-record entry with more consistent date, time, type selection, and card styling. 4. Improved numeric entry: the custom numeric keyboard now highlights the field currently being edited. 5. Improved plate number entry so province and city-code selection feels smoother. Fixes: 1. Fixed incomplete stats, export, and backup/restore behavior in some new-energy vehicle scenarios. 2. Fixed existing vehicles sometimes receiving incorrect new-energy maintenance templates. 3. Fixed layout and scrolling issues on the range-extended energy page. 4. Fixed cases where it was unclear which field was being edited after the numeric keyboard opened.

New: 1. Added premium Smart Fuel Calculation. Fuel-light records can now help more fuel entries show consumption results when the tank is not filled. 2. Added Caryo Support so you can contact support more easily when you need help. Improvements: 1. Improved the fuel record editing experience. Date, time, station, and fuel grade pickers now match the add-record flow. 2. Improved record editing consistency. Fuel and service edit flows now share the add-record form content for aligned layout, spacing, and picker behavior. 3. Improved Membership Center so subscribed users can still view all plans and clearly see their expiration date or lifetime status. 4. Improved fuel-consumption guidance and stats copy with clearer, less technical wording. 5. Improved dark-mode consistency across stats cards, chart gridlines, status pills, and tab bar colors. 6. Refined the About page title, localized app name, and app description copy. Fixes: 1. Fixed swipe-back navigation on service record detail pages and aligned service record navigation with the standard push flow. 2. Fixed an issue where tapping the Smart Fuel Calculation row text could trigger the switch unexpectedly. 3. Fixed legacy backup compatibility when the Smart Fuel Calculation setting is missing.

New: 1. Detail pages now use the decimal places setting. Decimal display precision can be adjusted. 2. Added a custom numeric keyboard for a better input experience. 3. Added maintenance item layout settings. You can switch the number of icon columns. Improvements: 1. Date display now follows the app language setting. 2. Improved the display of bottom sheets. 3. Mileage is now displayed as whole numbers. 4. The numeric keyboard now avoids covering input fields when it appears. 5. Optimized multiple page structures to improve app stability.

1. Improved unit settings so mi / gal / mpg display and input conversions are more accurate. 2. Unified unit refresh across fuel, stats, maintenance, and vehicle screens for a more consistent experience. 3. Fixed interaction and stability issues in several high-frequency flows, including add-record and backup/restore scenarios.

##### Added 1. Added theme mode selection, with options for system, light, and dark. 2. Added a Contact Us entry for quicker support access. ##### Improved 1. Improved dark mode display so cards, backgrounds, and separators look more consistent. 2. Improved the Me and Settings pages with a cleaner structure. 3. Improved language refresh speed so copy updates faster after switching languages. 4. Improved export prompts so membership limits and entry copy stay consistent. ##### Fixed 1. Fixed stability issues in the export flow for more reliable exports. 2. Fixed several refresh and switching issues for a more stable experience.

#### Added 1. Added a language setting with support for Follow System, Simplified Chinese, and English for easier switching. #### Improved 1. Improved maintenance reminders and page refresh behavior for a smoother day-to-day experience. 2. Expanded bilingual coverage across more high-frequency screens for a more complete Chinese and English experience. #### Fixed 1. Fixed an issue where adding a vehicle from the Vehicle Management page could behave abnormally, making the add flow more reliable.

1. Stability improvements: Fixed a number of issues affecting overall stability, improved app launch, sign-in, record saving, export, and backup flows, and made error messages clearer and easier to understand.