The developers prepared a recap of all dev diaries that were posted so far regarding the new DLC DayZ Frostline. Of course everything is a subject to change because the expansion is still work in progress.
First dev blog from week 20 mentioned the new fish items and general rework of fishing system – https://forums.dayz.com/topic/259760-dayz-frostline-dev-blog-week-20/
The next one from week 22 was dedicated to the snow and freezing climate of Sakhal in terms of graphics. We could see how environment changed from tropical Tanoa, some new improvements to shaders which can automatically cover environmental assets with snow, new tracks of vehicles on snow or melting snow near fireplaces – https://forums.dayz.com/topic/259899-dayz-frostline-dev-blog-week-22/
Week 24 was focused on the weather system and how it changes in Sakhal and what update regarding the fog we can expect on Chernarus and Livonia. It was also demonstrated how players would be able to change the render distance of terrain and objects – https://forums.dayz.com/topic/260001-dayz-frostline-dev-blog-week-24/
Dev blog week 26 was rather short but bringed more new information. We could see the new assets, points of interest or reworked assets to match the theme of the new map. We also had a peek at the new revamped interiors – https://forums.dayz.com/topic/263138-dayz-frostline-dev-blog-week-26/
Another dev blog of week 28 mentioned just new animals – the hare and red fox – https://forums.dayz.com/topic/263201-dayz-frostline-dev-blog-week-28/
Week 30 spoiled more information on game mechanics, the new disease and medicines to cure it, revamped heat comfort system and temperature mechanic for all the food items. We could also see the symptoms of the heavy metal poisoning and new upgrade for thermal comfort UI – https://forums.dayz.com/topic/263286-dayz-frostline-dev-blog-week-30/
With the latest week 32 dev blog it was teased that Frostline will get a motor boats. It was also shown how ice shelves were placed in the world, what can we expect from hot springs and what will be the new water sources on Sakhal – https://forums.dayz.com/topic/263403-dayz-frostline-dev-blog-week-32/
We can assume that the next week 34 dev blog post should be posted this Friday 23th of August. Maybe we will get more details regarding the new water vehicles? Stay tuned!
Source: https://dayz.com/article/status-report/DayZ-Frostline-Dev-Blogs-recap