Panasonic continues to release updates for its professional cameras: after the recently updated DC-GH5/GH5S (and DC-G9) there is a new firmware version for the AU-EVA1! The 2.5 update implements a new noise reduction mode, compatibility with new lenses (e.g. Canon EF 24-105mm F4L IS USM, Canon EF-S 17-55mm F2.8 IS USM, TAMRON SP 35mm F/1.8 Di VC USD) and minor fixes
New features in version 2.5
Low lightnoise reduction
Added "SMOOTH" item in the "NR" menu (now renamed "NOISE REDUCTION") for higher noise reduction
[Related Menu] CAMERA SETTINGS
-> NOISE REDUCTION
-> ISO800/ISO2500: SMOOTH, NORMAL2, NORMAL1, OFF (basic settings)
Lens compatibility
Other improvements

New software update fixes a bug which causes the menu to freeze when selecting 3K Anamorphic or 4.6K 2.4:1 after updating to Blackmagic Camera 5.1 software. Recommended for all URSA Mini Pro cameras.

Improvement of AF performance
- AF tracking performance in video recording has been improved.
- AF speed at 180d (180°) has been improved when displaying the shutter speed in degrees in [SS/Gain Operation]>[ANGLE/ISO].
Improvement of Body I.S.(Image Stabilizer) performance
- There were cases where peripheral distortion occurred in video recording while walking when used with Panasonic wide zoom lenses (H-F007014, H-E08018). This bug has been fixed.
Improvement of sound recording performance
- Sound quality has been improved by optimizing the noise reduction performance of internal noise cancelling microphone.
New functions
- [L.Monochrome D] has been added to Photo Style.
- [Grain Effect] can be added and adjusted in Photo Style.
- [Live View Boost] has been added, which makes it easy to check the composition on the monitor in low-light environment.
- [Night Mode] has been added, which reduces glaring on the screens when recording in low-light environment.
- Maximum 20x enlarged view is available in [MF Assist].
- [Focus Ring Lock] has been added to [Custom] menu, which disables focus ring operation to lock the focus.
- [WB/ISO/Expo. Button] has been added, which enables adjustment of WB/ISO/Exposure only while the exposure compensation button is pressed. This can be set [Custom]>[Operation].
- [Dial] has been added to [Custom]>[Operation Lock Setting].
- [Power/Wireless Indicator] has been added in [Setup] menu, which enables turning off the status indicator and wireless connection lamp.
Other improvements
- [Like 709],[V-LogL*] and [V-LogL View Assist*] in Photo Style can be used in photo shooting.
- [LUT Monitor Display*] and [LUT HDMI Display*] can be used in playback mode.
* Upgrade Software Key DMW-SFU1(sold separately) is required.
- [Focus Ring Lock], [E-Stabilization(Video)], [Mic Rec Level Disp.], [Live View Boost],[Night Mode] and [L.Monochrome D] can be assigned to the Fn button that works in recording mode.
- [LUT Monitor Display*],[LUT HDMI Display*] and [Night Mode] can be assigned to the Fn button that works in playback mode.
* Upgrade Software Key DMW-SFU1(sold separately) is required.
- Vector Scope can be displayed on the screen while adjusting white balance.
- It is possible to choose images from group display such as burst shots in [RAW Processing] mode.
- Restarting time from sleep mode has been shortened while using Image App and Bluetooth connection.
You can choose to shorten the time of remote operation and image transfer or remote shutter control in [Setup]>[Bluetooth]>[Returning from Sleep Mode].
- Remaining battery status is indicated by 1/4-gauge, indicating approximately 25% per gauge.
- There were cases where folder name was garbled when connecting wirelessly with Windows 10-based PC. This bug has been fixed.
This update enhances the toolbar on the Edit page with new slip and slide indicators and a dynamic trim button. In addition, synced audio file names can now be viewed in the timeline and the ability to apply clip level output blanking overrides has been added. A new fast gaussian blur option has been added to the Fusion blur tool, custom node colors on the Color page, support for 10-bit RGBA DPX image sequences, additional ResolveFX options and more. DaVinci Resolve Studio 15 Public Beta 4 also includes dozens of stability and performance improvements.
This software update adds smoother, faster iris control for B4, PL, and EF servo lenses with URSA Broadcast and URSA Mini Pro cameras. Blackmagic Camera 5.1 update also adds smoother continuous iris movement when controlling lenses remotely from ATEM switchers and control panels. 
What's new in Blackmagic Camera Setup 5.1
New features for URSA Broadcast
New features for URSA Mini Pro
New features for URSA Studio Viewfinder
New features for URSA Viewfinder
No new features in 5.1 for other camera products.