- Additional file ScubaPro TravelTrak (asd) file format and LogTrak 2 (logtrak) backup file format support added.
- SSI corrections
  - amended handling of odin_user_log_divecomputer_dive_ref field of type String to also handle values of Int
  - fields inside of dives_per_var (again inside of log_book_stats) made optional.
  - removed pressure from UDDF waypoints as it is the ambient pressure and not the tank pressure
- Oceanic+ corrections/enhancements
  - Corrected handling of new user profile fields introduced by Oceanic+ 4.0
  - Added support for downloading and using newly introduced custom gears
  - Added support for more tanks (3 for Oceanic+ 4.0 instead of 1 before)

- Corrections in context of Daylight Saving Time and TimeZone handling for UDDF (generic) dives
- Oceanic+ updates
  - new user profile fields added: height, lastProfileSettingsUpdateDate, nationality, documents, birthPlace, birthDate, tissueProfile, residence
  - new dive log dive fields added: diveComputer1Id, diveComputer2Id
  - new dive fields added: diveComputer1Id, diveComputer2Id, gearUsed
- SSI corrections
  - corrected odin_user_log_apple_watch_id field type from String to Int
  - changed country_lalo, odin_countries_code_iso, odin_countries to be optional

- corrected setting of tank information during UDDF import to Oceanic+
- corrected temperature value calculation (Kelvin to Celsius) during UDDF import to Oceanic+
- updated user interface on iOS, iPadOS, and macOS to match latest iOS 26.x liquid glass look and feel
- updated app icon
- updated error messages to allow the user to copy error message details to the clipboard
- sorted dives in inverse order, i.e. latest dive shows always first
- SSI data handling corrections

- added SSI and Garmin (same database as SSI) cloud export to UDDF
- added new GUI for choosing UDDF export from Oceanic+ and SSI, and for log-book conversion
- added support for boots and camera in UDDF equipment handling
- fixed issue when importing a UDDF written with Dive Converter into Shearwater cloud
- fixed crash when converting DataTrak log-file with dives with empty dive location

- added functionality to delete Oceanic+ dives
- added functionality to merge Oceanic+ dives
- added conversion of DataTrak logbooks to UDDF logbooks (UWATEC/ScubaPro dive computers)
- added conversion of UDDF logbooks to UDDF logbooks allowing to just select a subset of dives to export
- replaced logout button with drop-down menu button in Oceanic logbook view (iOS/iPadOS) and File menu (macOS)
- moved import and backup & restore from preferences to logbook menu (iOS/iPadOS) and to File menu (macOS)

- corrected UDDF generation of address field to use postcode instead of wrong zip
- corrected UDDF generation to include ID of buehlmann element
- added all non-standard UDDF data to application data field of each dive to be able to store all Oceanic+ dive data also in UDDF (lossless backup/restore)
- added full support for freedives
- implemented backup and restore in UDDF format in addition to JSON format
- implemented import functionality for dives exported from 3rd party apps to UDDF (tested with MacDive and SubSurface) - if dives are too old, Oceanic+ will not show them, but Dive Converter will show them as they have been stored in Oceanic+ cloud
- added filtering of activities (dives, snorkeling, freediving) via search field:
  - filter by category: All, Dives, Snorkeling, Free Diving
  - filter by date: all, last week, last month, last three months, last year
  - filter by rating: 4+ star rating, 3+ star rating, 2+ star rating, 1+ star rating
  - filter by type: cave, drift, fresh water, ice, night, wall, wreck
  - filter by search text: search of text in dive's name, dive's notes, dive's legacy buddies (not displayed in Oceanic+ anymore), dive's date

- added support for new field for average depth in Oceanic+ dives
- added support for exporting average depth to UDDF
- added support for more locations than just entry/exit location information
- added new buddy and seen fields for Oceanic+ dives
- added handling of Apple's throttling inverse geolocation requests to ensure that also large number of dives get exported correctly with mapped locations

- fixed crash when Huish Outdoors does not provide gear list
- added support for missing dive entry/exit location information

- improved support for iPhone based dives and combined iPhone/Watch dives

- corrected data type of noFlyTime in Oceanic+ dive data
- added support for writing noFiyTime (Oceanic+) as noflighttime (UDDF) and maxAllowedAltitude in application specific data (UDDF)

- corrected unit of start and end pressure of tank from hPa to Pa
- renamed nitrox gases in UDDF (EAN... instead of Nitrox...)
- renamed dive computer model in UDDF to look nicer in MacDive
- rounding of values to two digits after comma for UDDF export added

- migrated Dive Converter to use Oceanic+ API version 2
- added support for handling of tank type, size, start/end pressure in UDDF export (please note that at the moment Oceanic+ has a bug so that start and end pressure is always identical)

- enhanced error handling allowing to view more error details
- enhanced support of Oceanic+ dives for dives that do not contain timestamps as part of the dive profile

- reversed dive numbering in exported UDDF so that oldest dive has dive number 1
- fixed issue in context of user profiles that have used the Oceanic+ premium day offer

- reworked preferences (iOS)
- added menu items for FAQ and Known Issues (Help menu on macOS)
- added Backup & Restore for Oceanic+ dives in App Preferences (iOS) and File menu (macOS)
- added search to dive list, searching for text dive's name, notes, and buddies

- We have corrected an issue in context of loading a user's profile data from Oceanic for users who used the premium day purchase.
- Added also support for writing out animals seen in UDDF structure informationafterdive/observations/notes. The field animalsSeen is always included in Oceanic+ dives, but it's currently empty and not visible/editable in their app. However, if it will become visible one day, Dive Converter already supports it.
- replaced implementation of Share Sheet on iOS to allow display of error messages (SwiftUI version of it does not yet allow such)
- changed XML schema URL for UDDF from https to http to make Subsurface happy