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RetroArch 1.9.7 released!

RetroArch 1.9.7 has just been released.

Grab it here.

If you’d like to learn more about upcoming releases, please consult our roadmap here. The next version of Lakka (with an updated RetroArch 1.9.7 version) is scheduled to be released a week from today.

Remember that this project exists for the benefit of our users, and that we wouldn’t keep doing this were it not for spreading the love with our users. This project exists because of your support and belief in us to keep going doing great things. If you’d like to show your support, consider donating to us. Check here in order to learn more. In addition to being able to support us on Patreon, there is now also the option to sponsor us on Github Sponsors! You can also help us out by buying some of our merch on our Teespring store!

NOTE: We will update this notice as soon as we have uploaded the 1.9.7 version for UWP/Xbox as well to our server. For now, these still point to the previous version (1.9.6). We thank you for your understanding.

Release notes

A brand new platform port has been added for RetroMini RS-90 (and similar devices). These are low-powered mass-produced MIPS handheld devices that are sold for very cheap. To us, it is yet another opportunity to optimize our cores for low-end devices.

PlayStation2 users are in for a treat. gpSP (Game Boy Advance emulator core) has been optimized and tuned for PS2 to the point where it should run most games at fullspeed. RetroArch should also have a bitmap font driver implemented now instead of relying on gsKit like before.

WiiU users benefit from many improvements to file I/O optimizations (faster loading/startup times), network speed, and menu/font rendering.

Switch users should benefit from the 7zip compatibility added to this release.

Many improvements to the CRT SwitchRes feature have been made. For more details, see ‘Changelog’ below.


New RetroMini RS-90 port

Following on from the success of our OpenDingux port for JZ4770-based handhelds, we are pleased to announce official support for RetroMini RS-90 devices running OpenDingux Beta. This tiny console has one of the weakest CPUs we have ever targeted; it has just 32 MB of RAM, an ultra-low resolution 240×160 display and is available for as little as $20 – but still it provides an enjoyable RetroArch experience.

Given the limited specifications of the hardware, a modest section of cores are available. The following generally run at full speed:

…while these offer varying degrees of playable content with frameskipping enabled via core options:

For the best results, we recommend applying a per-application CPU overclock for the RetroArch application: highlight RetroArch on the device’s home screen, press the select button > Edit RetroArch, and set Clock Frequency to 420 MHz (depending on the chip, a lower value may be required, or even higher may work correctly).

PlayStation2 – playable Game Boy Advance emulator added

gpSP should now be available for RetroArch PS2 starting as of version 1.9.7. This is a Game Boy Advance emulator core. Davidgf has been working hard on this core for the past few months and the results speak for themselves – this should be the first time that a PlayStation2 is able to run Game Boy Advance games at fullspeed.

WiiU improvements

In addition to the improvements listed for WiiU previously, there’s also the following to mention:

Fix inputs breaking when connecting/disconnecting remotes
When a KPAD controller (Wiimote, Pro Controller, etc.) gets disconnected or has its accessory changed, the Wii U’s API gives nonsensical results for a little while, even while claiming these results have no errors whatsoever. This was wreaking havoc in the input system and ended up leaving the controllers useless.
1.9.7 attempts to work around the console’s API by filtering out some of the unknown results.

Download progress indicator fixed for large transfers
An important bug was fixed that was causing issues while downloading the Assets from within the program. When downloading a large file on a 32-bit platform, the progress indicator will get pinned to 100% after downloading roughly 40MiB. This causes a lot of stress for, where the 40MiB mark is about halfway. This bug has been fixed. Note that this improvement is not only beneficial for WiiU but should benefit other 32-bit platforms in general.

Linux / xdg-screensaver improvements

1.9.7 provides a workaround for the long-standing issue of “protocol error” messages being written to stderr whenever the “Suspend Screensaver” option is enabled and the X11 context driver is used. These messages don’t actually come from RetroArch – they’re xdg-screensaver’s, which is a script for cross-DE screensaver suspending that RetroArch calls to do its job.

It turns out, the script has a problem with title-less windows. See the related bsnes issue for analysis – kudos to Screwtapello for figuring this out. The proposed solution is to check if there’s already a title, and if there isn’t, to set it to a single “space” character, which is surprisingly enough for xdg-screensaver to work. The space character is picked so that there’s no visible difference between the bogus title and no title at all. The alternative is to make sure that RA’s window has a title at all times – too much of a hassle for something this trivial.



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