The change log, and the announcement.

 
Import bookmarks added in bookmarks manager

To make the Bookmarks Manager an entry point for all bookmarks actions, we’ve added imported bookmarks as a single folder there, together with exported bookmarks available in the expandable menu. All bookmarks imported from other web browsers will be filed in this folder.

 
Ad blocker improvements

Since we’ve released our native ad blocking feature, we’re still working to improve it. Last week, we added the anti-Bitcoin mining tool as one of the features of our ad-blocker.

With string matching algorithm improvements, our tests have shown up to 13% average performance increase.

 
Allow all sites to use Flash

Today’s developer update offers now an option to allow Flash to run on all sites without request. By default, Opera requires sites to ask first, before allowing them to run Flash.

If you want to allow all sites to run Flash without prior request, go to Settings (Preferences on macOS) > Websites > Flash.

 
Other highlights:
Opera for Mac now supports AppleScript, allowing you to create snippets for Alfred, or automate your workflow easily.
HiDPI improvments.

Chromium has been updated to version 64.0.3282.15.

  :spock-hand:  

With me the GPU support Opera Developer 51.0.2809.0 is corrupt (see my posting above).
My result from opera:gpu: Opera_51.0.2809.0_gpu.pdf

OS: Siduction 64bit, NVIDIA 9600 GT (nvidia-legacy-340xx-driver)

Thank's, leo and @zalex108

The --disable-gpu solution on top of a new profile work's.
No more start delay. I still get crash in terminal output, but it does not slow down the startup.

opera-developer --disable-gpu --private
[0107/225356.789658:ERROR:gpu_process_transport_factory.cc(1008)] Lost UI shared context.
CrashID=d69af12e-6552-4299-a188-179642180108
CrashID=6d6c8320-376b-4f2c-9305-ce8862180108
CrashID=c5046be3-5898-4a4e-9985-327402180108
CrashID=74a78e8b-94a0-429a-b197-a08f12180108
CrashID=63944831-eb64-46bf-9885-dd0c12180108
CrashID=eb13e6c3-c0d5-4f5e-8f06-5ea582180108
CrashID=608f1fd3-8bc4-469f-8e94-101cf2180108
CrashID=b0b0360d-e4d9-4e44-bd2a-38f6f2180108
[0107/225515.338250:ERROR:service_manager.cc(158)] Connection InterfaceProviderSpec prevented service: content_renderer from binding interface: blink::mojom::ReportingServiceProxy exposed by: content_browser
[0107/225515.338375:ERROR:service_manager.cc(158)] Connection InterfaceProviderSpec prevented service: content_renderer from binding interface: blink::mojom::ReportingServiceProxy exposed by: content_browser

Thank for the reply.

As you suggested, i renamed my old profile to (~/.config/badopera-developer).
Booted opera-developer ( which created a new ~/.config/opera-developer) and still get the delay with similar terminal output.

opera-developer
CrashID=9d16b9fc-1248-4877-a9c5-1d6ba2180108
CrashID=e03913d7-c4f4-4564-b378-5e0a82180108
CrashID=b7c9aa19-c29d-4dd4-95a3-36eb92180108
CrashID=7fe5dfee-cc5f-446a-bd3f-249a22180108
CrashID=bc4992c6-208d-41d0-a75b-f2cfc2180108
CrashID=3662e7d1-5329-4859-ba78-2ead62180108
CrashID=ae9eb5f0-6057-493d-9733-8a4912180108
CrashID=67ec217c-85f3-43d4-8427-9d0f82180108
CrashID=ccbd2341-b53c-45d7-a582-1c96d2180108
CrashID=4c37ca94-65a5-4320-b9da-8e7e22180108
CrashID=69f1e4c4-f804-4871-9cea-455d52180108
CrashID=7bfe773c-3d15-40fd-ad37-2aacd2180108
CrashID=a8982c06-d617-4f0c-9ab3-164b72180108
CrashID=ae7a3431-fbcf-4e44-a293-c1cac2180108
CrashID=0cd8e29f-ebf1-4021-9f76-9983b2180108
[0107/214211.760561:ERROR:browser_gpu_channel_host_factory.cc(120)] Failed to launch GPU process.
[0107/214211.760858:ERROR:gpu_process_transport_factory.cc(1008)] Lost UI shared context.
CrashID=3c973a6b-e638-4940-9e19-e32fc2180108

Corrupted profile probably, just rename it - if not done it yet -.

Windows 10 (x64) | Anniversary Update
Opera Stable · Beta · Developer

Opera Test profile | Opera Reset / Back up Linux · Mac · Win

Since updated to version 51.x.xxxx.x. everytime i start opera-developer it take forever to load ....

Starting opera-developer from terminal, this is what i get

opera-developer
[0107/185530.099025:ERROR:blacklist.cc(190)] Invalid pattern
[0107/185530.107172:ERROR:blacklist.cc(190)] Invalid pattern
[0107/185530.139685:ERROR:blacklist.cc(190)] Invalid pattern
CrashID=227db8b2-09e0-49de-99bc-97e382180107
CrashID=a71222f0-7cd6-4bf7-bf0c-e421e2180107
CrashID=bcbcbcec-6bde-4f5d-9800-484862180107
CrashID=ebc6dd7f-cc9a-47a1-a661-6e5202180107
CrashID=0a3e0397-5b0b-4374-8802-94d0c2180107
CrashID=aebe3c1c-15eb-4973-b2c7-0fb0f2180107
CrashID=f6046e36-4a3c-4732-9cda-195872180107
CrashID=92facea7-097b-4fdf-9c8a-d5c782180107
CrashID=ea845336-c637-46b7-ac97-131b92180107
CrashID=05727b89-f43c-4d09-8c7a-657b62180107
CrashID=7f62d262-721f-4864-b78c-4acb82180107
CrashID=80ff3f0b-e9b6-4a8b-bdbf-fb9102180107
CrashID=ac1b2d55-f54e-4c36-b9db-14d872180107
CrashID=be1b7876-359f-42bc-966f-db10f2180107
CrashID=34c41fd7-7b50-4f66-b981-f2bce2180107
[0107/185603.993473:ERROR:browser_gpu_channel_host_factory.cc(120)] Failed to launch GPU process.
[0107/185603.993734:ERROR:gpu_process_transport_factory.cc(1008)] Lost UI shared context.
CrashID=1268b991-7371-4679-b829-7a8392180107

The same patern apply to machine running nvidia or radeon.

btw this is on linux arch installs

So, try go to opera:flags and enable this flag - Override software rendering list. Restart browser and check again.

Hi @angrypenguin thanks for the tip, but there not help.
And i have previously tested with command line option.
opera-developer --ignore-gpu-blacklist

I have no more idea.
What is the significant modify difference (program code) between Opera 51.0.2796.0 and 51.0.2809.0?

So this mean that Opera not use HW for WebGL2. Maybe this is your problem because your previous build have "WebGL2: Hardware accelerated"

So, try go to opera:flags and enable this flag - Override software rendering list. Restart browser and check again.

$ lsmod | grep nvidia
nvidia              10559488  43
drm                   360448  3 nvidia
i2c_core               57344  4 nvidia,i2c_i801,psmouse,drm

$ glxinfo | grep direct
direct rendering: Yes
    GL_EXT_depth_bounds_test, GL_EXT_direct_state_access,
    GL_EXT_depth_bounds_test, GL_EXT_direct_state_access,

$ grep glx /var/log/Xorg.0.log 
[    35.598] (II) LoadModule: "glx"
[    35.647] (II) Loading /usr/lib/xorg/modules/linux/libglx.so
[    38.115] (II) Module glx: vendor="NVIDIA Corporation"

In browser settings the Hardware acceleration was enable.
The command line option did not help.

No problem with:
Opera Dev
51.0.2781.0
51.0.2796.0
broken:
51.0.2802.0
51.0.2809.0

And yes, i testing with new profile.

Are you sure, that the driver works fine? Please call the following command in the console: lsmod | grep nvi, does it display, that the "nvidia" driver is loaded?

Please also run: glxinfo | grep dir, and check if it says "direct rendering: Yes". If it says "Yes", then there's a problem with enabling the acceleration in the browser.
Launch the Opera, go to Settings > Browser > System, and see if the "Use hardware acceleration when available" is enabled. If it is, and the acceleration is still "unavailable" underopera:gpu, run the Opera with the switch as follow: /usr/bin/opera-developer --ignore-gpu-blacklist, and see if this helps.

• My OS Siduction (Debian/sid) is perfectly fine with the nvidia-legacy-340xx driver.
• Opera is a Browser not a operating system, right?
• I reinstall all Nvidia compenents with restart (problem still exists)
• I now switch to Opera stable with Chrome security fixes…
• I will return to Opera Developer when the Opera developers internal testing the linux builds before public this.

Alexs

Conclusion: most likely some update (probably forlibgl1-mesa-glxpackage) overwritten installation files of the Nvidia driver. If that is the case, you can try to reinstall the driver, and check if this fixes the problem.

opera://gpu from 51.0.2809.0
video works, but crash and broken WebGL (GL_EXTENSIONS is empty)
https://paste.debian.net/hidden/820d5fb0/

opera://gpu from 51.0.2781.0 (no problem)
https://paste.debian.net/hidden/71878d70/

OS: Siduction (based on Debian/sid) Xfce

On http://slither.io i have very a very low frame rate with new Opera Developer.

I save the libffmpeg.so to ~/.local/lib/opera-developer/libffmpeg.so with Symlink to /usr/lib/x86_64-linux-gnu/opera-developer/lib_extra/libffmpeg.so

ln -s /home/user/.local/lib/opera-developer/libffmpeg.so /usr/lib/x86_64-linux-gnu/opera-developer/lib_extra/libffmpeg.so

But I hope there is somewhere a public explanation for all how to integrate the customized libffmpeg.so (via script).

Download it, navigate to the Opera's installation root, and make a new subfolder lib_extra, extract the libffmpeg.so file from the archive to this folder ;-)

The change log, and the announcement.

 
"To start off this week, we have an update for Opera developer 51, with two new features. The first is a workflow improvement, to quickly scroll to the top web page with just a click on the tab. Second, your active desktop wallpaper can now seamlessly blend into Opera as your start page wallpaper. Finally, the video pop-out button received a new design.

Further below you will find notes about other changes and fixes. Enjoy!

 
Desktop wallpaper in Opera

As you welcomed Opera Neon’s concept of a start page, that uses your desktop wallpaper as its background with such enthusiasm, we were compelled to introduce it in our browser today.

Setting your desktop background as Opera’s wallpaper is as easy as adding your own theme from your system’s library. Head to the "Easy Setup" menu from the start page, and click the wallpaper option with the blue “Desktop” label across it.

 
Scroll to the top

We all have read, and scrolled through an endless pit of web content, such as our Facebook, or Twitter feeds, or a busy discussion board on Reddit. These kind of pages leave us with a long climb back to the top! It’s then another long descent down to continue where we were.

In today’s developer update, simple click on the tab will return you to the top of the page, and second click will jump back to where you were before. This boomerang-like action is handy way to quickly bounce between your current spot, and the top of the page, while preventing you from burning out your scroll wheel, or trackpad.

 
New style of video detach button

Opera has undergone some stylistic touch ups in the past year, and now the video pop-out button receive a new look as well. You will find the new design in today’s update."

  :spock-hand:  

The change log, and the announcement.

 
This week’s highlights:
- Check out our new emoji in Snap tool.
- Few sidebar extensions fixes.

Chromium has been updated to version 64.0.3278.0.