Since Blackview don't do release notes, I thought I'll summarize the changes/bugs in a thread. Please feel free to add your comments/bugs (or you don't experience the same problem) to this thread and I'll try to keep the OP up to date, and I'll update when new versions come out.

BV8000Pro-Blackview-V0.1_20170803_20171227-1550
Android 7.0
Security Patch Level: July 5, 2017 (Still unchanged!)
GSM Baseband version: MOLY.LR11.W1630.MD.MP.V14.P14, 2017/07/31
CDMA Baseband version: SIXTH.CBP.MD.MP5.V19_P5, 2017/07/31
Kernel Version: 4.4.15 Compiled 3 Aug 2017
Build number: BV8000Pro-Blackview-V0.1_20170803

Note: Pushed via OTA.
Improvements: Background Task Clear include more apps, but does not include all apps and widgets (Transparent Clock and Weather Widget showed up, but Battery Graph Widget still not showing up - these widgets do not have an App icon)

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BV8000Pro-Blackview-V0.1_20170803_20171114-1146
Android 7.0
Security Patch Level: July 5, 2017 (Still unchanged!)
GSM Baseband version: MOLY.LR11.W1630.MD.MP.V14.P14, 2017/07/31
CDMA Baseband version: SIXTH.CBP.MD.MP5.V19_P5, 2017/07/31
Kernel Version: 4.4.15 Compiled 3 Aug 2017 (Went backwards?)
Build number: BV8000Pro-Blackview-V0.1_20170803

Note: SP Flash Download without userdata partition did not work for me (booted into Android but with blank screen), had to reflash with new userdata. YMMV. Good luck.
Improvements: Task switch is now long press on menu button. menu is single tap menu.
Improvements: Claimed: Camera exposure adjusted - Red colour comes out as Red (still looks a little pink for me)
ToDo: Background Task Clear does not include all apps and widgets (Try Battery Graph Widget and Transparent Clock and Weather Widget - these widgets do not have an App icon)

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BV8000Pro-Blackview-V0.1_20170803_20171011-0929
Android 7.0
Security Patch Level: July 5, 2017 (come on guys, it's November... this version is still vulnerable to Blueborne and KrackAttack...)
GSM Baseband version: MOLY.LR11.W1630.MD.MP.V14.P14, 2017/07/31
CDMA Baseband version: SIXTH.CBP.MD.MP5.V19_P5, 2017/07/31
Kernel Version: 4.4.15 Compiled 11 Oct 2017
Build Number: BV8000Pro-Blackview-V0.1_20170803

Comments: Touchscreen improvements (?)
Broken: Charging status stuck when unplugged with Micro USB adapter (requires reboot to clear charging status)
Broken: Bluetooth Audio drops, improvement when enable Background Task Clear
ToDo: Background Task Clear does not include all apps and widgets
Idiosyncrasies: Task switch is double tap menu, menu is long press menu. (That's just strange)

in 20171114 also the lack of HDR option for the back camera has been fixed.

A little official changelog is already in the ROM download thread.

updated to include 20171227 firmware version.

Netsplitz wrote:

updated to include 20171227 firmware version.

i'm waiting for an official changelog to come