WineHQ

World Wine News

All the news that fits, we print.

05/03/2005
by Brian Vincent
Issue: 272

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This is the 272nd issue of the Wine Weekly News publication. This special edition summarizes WineConf 2005 and all the presentations made. By the end of the week we should have some pictures gathered and other good stuff. For now, grab a cup of coffee and read.

For those of you just tuning in, Wine is an open source implementation of the Windows API on top of X and Unix. Think of it as a Windows compatibility layer. Wine does not require Microsoft Windows, as it is a completely alternative implementation consisting of 100% Microsoft-free code, but it can optionally use native system DLLs if they are available. You can find more info at www.winehq.org


WineConf 2005 Summary 04/30/2005 Archive
WineConf 2005

The clock says it's 12:05am, probably already past the time I should have went to bed. WineConf ended earlier in the evening. I guess I can take solace in the fact ten Wine developers are still sitting downstairs and will probably be a lot more tired than me in the morning. I surely won't finish writing this summary tonight, but it's nice to look back and reflect on what a great three days it has been.

Some of you might be looking for the short summary version, so it's worth recapping some major highlights. First, Alexandre has imposed some deadlines for Wine. Second, having some of the core Samba team members show up was great and it may be possible to work together on some common items. Finally, the event itself was quite large with about 50 people attending from over a dozen countries meeting at the University of Stuttgart.

WineConf 2005 unofficially kicked off Friday night at the Deutsche Telekom Tangungshotel Stuttgart. There was a really nice outside patio at the hotel and a bar inside. We spent a little while discussing going out somewhere, but we were having too good of a time to be bothered trying to leave. Before we knew it we'd somehow consumed a bunch of pizzas Andi Mohr ordered and the bar began shutting down.

Saturday morning we kicked off WineConf with a short presentation from one of our sponsors, WRS. The layman's translation of the name is something like Stuttgart economic development corporation . It sounds like they've been successful promoting open source within the region.

--

That led into Alexandre's keynote presentation. His running joke had been he would reuse last year's slides (which themselves were joked about being a copy of the slides from 2002.) However, that clearly wasn't the case. Wine has seen a lot of development over the past year and it was fantastic to look at all the progress that's been made. The big projects are done: new filesystem handling code has been merged, interprocess window management works, all of the old options have been removed from the commandline, and winegcc is now used to build Wine. Other highlights include extensive regression tests, adding a Wine 'preloader' to solve glibc and memory management problems, work on MSI and Direct3D, a new RichEdit control, and real fonts.

Alexandre then moved on to the big items that must be worked on. DLL separation is still on the plate. Yes, we've been trying to do that for years, but now we're just down to separation of kernel32, ntdll, user32, and gdi32. Not much work is actively being done since those DLLs can never be replaced with native components. So it remains on the to-do list, but not as a priority. The config has to go into the registry and the config file must be removed. No one seems concerned we'll run into any difficulties with that, but the idea of transition code to help seems to have been abandoned. Installers remain a hugely troubling area, but the OLE/COM work will take care of that. All in all, there's some items left, but each of them has already been worked on.

So where are we at with the code? Alexandre has cleaned up a lot of the old cruft and very little is left of the old Wine directory layout. We're up to about 1,400,000 lines of code now and we're adding about 250,000 a year (that averages out to nearly 700 lines a day.) Those numbers were extrapolated from graphs Alexandre showed, so there may be some errors in there.

So where does that leave us? Well, the idea remains to put out a 0.9 release. Alexandre put his foot down and decided to take a new approach - deadlines . As he stated, "First time ever there will be a deadline in the Wine project." There are two main goals and he set target dates for them:

  • Remove the config file by June 30th.
  • Release 0.9 by September 30th.

Alexandre then turned it over to a question and answer period. Regression testing was mentioned and Alexandre told everyone, "Everyone should be able to run the tests. They work fine on my machine." The source tracking system was raised again, but everyone seems happy with CVS and Alexandre as the sole committer. Alexandre encouraged everyone to send in small patches though since it helps with stability as well. Juan Lang asked about the window management and Alexandre ticked off a list of things that need to be done. We need to check we're following freedesktop.org specs, make windows managed on the fly, and finish some interaction issues with the window manager. Finally, Marcus Meissner asked if we have plans for 64-bit support. Alexandre said there's no reason not to but it would take someone motivated to do it.

Overall, this is much more remarkable than last year. I think after last year's presentation everyone was left with a sense there was a lot more work that needed to be done and it hadn't been thought about. Even worse, only Alexandre could do it. This year there seems to be much less work or large projects and the few left are quite manageable. What will happen with the deadlines? Well, I suspect we're really going to take them seriously. That'll ruin my joke that Wine has been 6 to 12 months away from a release for twelve years.

--

Dimi Paun was up next to discuss the to-do list and elaborate a bit about Wine's status. He started out with a quick synopsis of why it's so important we kick out a release. First, it's important to dispel the myth about Wine being a cool hack but nothing that can be used in real life. This is a good time to capture developer interest and user mindshare. It will also allow 3rd party packages to use and require Wine.

To that end, users just care about getting applications to run. They really could care less about Wine or what it does. Dimi proposed resurrecting the idea of the 'Gold List' of applications that are known to work, even if we start with just one application. The idea would be users could leverage that as a way to put pressure on distros to not break things (like we went through all of last year with the glibc and exec shield changes.) Discussion later about the practicality of having a gold list didn't reach a consensus. The target for that would be sometime after 0.9 but before 1.0.

Dimi then outlined the key focus of the to do list is to standardize on interfaces: UI within Wine, WineHQ as an information conduit, file formats and exported API's for developers, etc. As far as that goes, we're in great shape. There's really nothing left to be done except move the config into the registry.

--

We then opened up the floor for discussion and a lot of different topics were brought up. Copy protection remains an annoying problem, though Ivan Leo Puoti has been looking at it. Exception handlers within GCC aren't supported, and that remains an issue. Some off hand comments were made about an apparent shift with ISV's concerning Wine; whereas we used to get totally blown off, now people are at least willing to listen.

Finally, some discussion about WineHQ came up. Jeremy Newman announced we would soon be hosted by a new ISP with a brand new server. At the same time we're going to move from Red Hat 9 to Debian and from Hypermail to Mailman. There will be downtime, but we don't have an exact date (near future sounds about right.) Having realized we'll never get Newman to support a wiki on WineHQ, Dimi proposed putting together a separate offsite wiki. In fact, look for an announcement later this week about that work.

--

Next up, the CTO of Gupta Technologies, Charles Stevenson, presented a real world case of using CrossOver and Wine. They've created a developer tool and database product and ported parts of it to Linux with the help of CrossOver. He went through a series of statistics about Linux growth that were interesting (IT services are growing at a rate of 57% per year.) The 'ecosystem' to support Linux has grown with the driving force being cost and maintainability. Interestingly, sales of their Windows product went up as soon as they announced they had a Linux port.

He then described Wine and its appearance to the outside world (that means probably none of you reading this.) First, no matter how well you run or port your application, as soon as you mention Wine there seems to be a general shrug of, "Oh Wine? Then you're not a real Linux application." Of course, Win32 apps are just a different toolkit compared to Qt or Gtk and Wine's goal is to make them first class citizens on Linux. Some things he mentioned are inevitable and affect every open source project. We don't have a CEO and we're not a company. However, it's important we point out we use professional development tools, perform testing, and track regressions. Furthermore, for customers who want the safety and comfort of commercial support we need to make it clear that a few different companies exist to help with that.

He concluded with some general comments that seem to point toward the direction the industry is heading (keep in mind, he's a CTO of an independent software vendor.) Namely, Linux will be part of any solution delivered in the next five years; at least it will be assessed. Cross-platform strategies offer the highest productivity and payback. All in all it's interesting to see how industry is evaluating Linux and Wine.

--

Then it was time for lunch! WRS and FEI arranged for a caterer to provide a nice meal. It was quite a bit better than the pizza we were planning on.

--

The afternoon shifted into discussions with Samba. Many of the core Samba developers were in attendance, including Andrew Tridgell, Jeremy Allison, Andrew Bartlett, Jerry Carter, Jelmer Vernooji, and Volker Lendecke. One of the major Samba conferences, SambaXP, was being held following WineConf. As such, they rearranged their travel to pass through Stuttgart. It may be the only time we'll ever have the opportunity to meet with such a large group and it proved to be really interesting. We share a lot of common ground though the areas Samba covers are obviously much more mature.

First up, we heard from Juan Lang with Wine. In the past he's worked on Wine's RPC code and had quite a few ideas for ways to integrate with Samba. He made it clear the goal isn't to merge large parts of code or perform invasive changes. Instead, there are some obvious places that could use integration and we should pursue them.

For example, Wine could use Samba to set up the "Network Neighborhood". Using Samba NetBIOS code might be another idea, though less and less people use NetBIOS these days. On the transport side, RPC and NT named pipe code might benefit from Samba. Finally, a whole set of security details such as authentication and Windows' file attributes could come from Samba.

Juan pointed out that the Network Neighborhood is actually possible today. You can parse the output of from smbclient for a browse list and mount things on ~/dosdevices/unc. It's pretty ugly, but definitely doable by most people. There's almost certainly a better way to do it.

I won't go into details on authentication or file attributes. Andrew Bartlett's and Tridge's presentations covered both extensively, but Juan touched on the topic from a Wine perspective.

Where it got interesting was concerning RPC code. Wine's marshaling isn't wire-compatible, but it's getting closer. If we had real NT named pipes we could layer on top of that, however we start to run into what appear to be some fundamental problems. Since named pipes can be shared between processes, we'd have to implement them in wineserver. IO requires roundtrips to the wineserver to complete and it becomes an issue of how well wineserver, an intentionally single-threaded process, can scale. This could be a potentially devastating performance issue when you consider just how many messages have to get passed back and forth.

Juan took the extra step of figuring out what would happen. He implemented a new wineserver request to test reading from a file. He benchmarked wineserver with a 100MB file and various buffer sizes. He then went through and compared this performance with open, CreateFile, and CreateFile on a mounted SMB share. He further compared it with the number of clients within wineserver to see how well it scaled. The results looked extremely promising. With regard to clients, we take a performance hit when the second one is added, however it remains constant after that. Juan's theory is the disk begins efficiently serializing requests at that point. Overall we're bound by the speed of the disk, not the wineserver IO (unless you get into really small buffers that cause a lot of wineserver roundtrips.) That's extremely promising and might open the door to using Samba's named pipes.

--

Andrew Tridgell, or Tridge as everyone calls him, came up next to present some stuff on what Samba's doing and where it can lead Wine. As Tridge said, "Because we have a smaller task we've been able to fill in some of the details." Samba's recent development on version 4 has led to implementing some of the very newest features of Windows.

He opened with some questions, such as what could/should we cooperate on, whether or not we should aim for Samba and Wine interoperability, and if we cooperate how we should go about doing it. Samba doesn't care about API compatibility but Wine does. Samba doesn't have to worry about object level compatibility, just wire level. However, both of us need to get the same things right. We both have DCE/RPC technologies and IDL to represent them. We both have a need to figure out how to do NTFS filesystem features on POSIX. Further, we might want to look into doing file locking between Wine and Samba. Those items seem to be most common areas we could look at in the near-term, with the possible exception of the talk Andrew Bartlett presented next.

The RPC world could present some interesting areas for working with Samba. Looking at IDL compilers, it's apparent Wine's widl compiler and Samba's pidl compiler were built for different purposes. However, it could be possible to share IDL files. Samba's license on it's IDL files specifically targets interoperability with other projects - we won't run into any problems with the fact Samba is GPL and Wine is LGPL. Samba also maintains an extensive test suite that could be used to torture test our RPC implementation.

Looking at getting NTFS features on a POSIX filesystem gets much more difficult. Tridge rattled off a list of all the things that need to be supported: streams, timestamps, attributes, case-insensitivity, NT ACL's, 8.3 names, and then a load of just little bizarre things that Samba has discovered over the years. Samba 4 is being built with all this in mind with much more clearly defined interfaces. Samba 4 uses xattrs to store all this info and seems to be a nice solution. All the data stays with the file and it does exist on most modern filesystems, though it's not always enabled. Further, an LSM module could be created to give transparency to NTFS attributes on Linux. As far as file locking goes, he first raised the question of whether Wine really cares about exact locking semantics. If so, it appears we could do it but we'd probably need a special daemon for communication.

Finally, one problem that's been discussed on wine-devel with Samba guys recently is handling case insensitivity. The current solutions scan directories a lot and can lead to horrible performance. The hardest problem is just proving a file doesn't exist. Getting support in the kernel seems difficult. Tridge proposed a few different ways, none of which seemed to be a great solution. He pointed out the irony that, "Linux users hate mixed case names, yet Linux supports it. Windows users love mixed case names, but Windows doesn't support it."

--

Andrew Bartlett of Samba had the last presentation of the day. He discussed an area very few Wine developers know anything about: Windows authentication. This is an area Wine is apparently beginning to run into. As we get more and more into network applications, even Internet Explorer, we may not be able to get away with the almost stubbed implementations we have. On Windows everything is about a single sign-on and transparency. There's now little distinction between local and network methods, and various protocols now begin hitting it (even HTTP.) The holy grail for both Wine and Samba would be a method for logging in via something like GDM/KDM and have that work for all SMB and Wine authentication methods.

What's revolutionizing all this is Andrew's work on Samba 4. The new Samba will contain an interface similar to Microsoft's SSPI and can be called from everywhere. It can sit both on the client and server side and handle blob passing. The library behind this is Andrew's GENSEC. He thought it might be possible to wrap GENSEC into the SSPI APIs Wine has to implement. At the very least GENSEC can provide a way to learn about SSPI and would help us build it properly.

At the end of the day, the challenge for Wine will be a way to get user credentials. The goal should be to keep a single sign-on interface. There's probably a couple of different ways it could be done, such as using a PAM module to stash information that could be retrieved later. Of course, since the whole point of authentication is security, whatever system gets designed will have to take that into account.

--

After that we wrapped up and meandered back to the hotel to get ready for the night. We headed downtown to the Rosenau for a dinner put on by CodeWeavers. We had a fantastic time. I had an interesting conversation with Jerry Carter and Ira Krakow about the dynamics of open source projects as well as other random stuff. We stayed at the restaurant fairly late before heading back to the hotel. Dimi and I probably were the last ones to get to bed.

--

Breakfast came really early. To start out the agenda we had Steven Edwards and Hyperion from the ReactOS project show off their latest work. Things really seem to have improved from last year. Rather than running it in VMware, Steven actually booted his laptop into ROS. The running joke seemed to be something like Samba is hard, Wine is daunting, and the ROS guys are just crazy. They aim to provide complete Windows compatibility within their operating system, including support for devices and drivers. That always raises the question of why bother, but I like to think back to something Steven mentioned a few years ago: Linux was just trying to be a free replacement for Unix, so ROS is just trying to be a free replacement for Windows.

A lot of things work this year and many areas are progressing. Thanks to Wine they can run applications like OpenOffice, AbiWord, and PuTTY. They have driver support now for nvidia and ATI. Under development they have more networking support, OpenGL/DirectX, and plug 'n play support. The kernel is getting more stable, but they need to do a better job at things like syscall and return value checking in order to get more stable. Many large projects haven't been started yet though, including a printing subsystem, security subsystem, NTFS support, etc.

As far as working with Wine goes, things are ok. ROS now shares over 45 libraries with Wine, 5 tools, and other miscellaneous code. Further abstracting wineserver and x11drv might allow parts of user32 and gdi32 to be shared as well. Even parts of kernel32 could be shared with a little reorganization. Steven would like to get the point of using Wine's regression tests. Steven thought Wine and ROS could improve working together. Syncing patches remains a problem and it would be nice to develop a better method.

Getting into the crazy ideas side of things, Steven brought up a few things that in theory could be done. A user mode ROS would help a lot with debugging. Running ROS on XEN might be a way to do process migration of Win32 programs between different systems. Support for 64-bit Windows and other architectures was also being looked at.

We wrapped up with some questions and answers. The Samba guys mentioned they need a way to do "raw" Windows printing - rasterizing raw GDI calls. ROS might have some code that could help with that. In return, Samba has spooler code that could be useful.

--

Jason Edmeades got up next to discuss DirectX8/9 and the new wined3d library he wrote. Just a few days before the conference Jason experienced a meltdown of his laptop. He scrambled to get a new distro installed on it and rebuild Wine. It all paid off with some stunning 3D demos. He ran quite a few games and showed the state of Wine's DirectX implementation.

Before all that, he went through an outline of DirectX and exactly how it all fits together. Jason originally got involved with Wine's DirectX code to learn 3D programming. Instead, he learned how to hook Microsoft's Direct3D into OpenGL. The mapping between the semantics of the two differ to a degree to cause some problems. For example, DirectX advertises the features it supports whereas OpenGL just supports them with software rendering if hardware acceleration isn't available. To make things difficult, different video cards provide different OpenGL extensions and Wine has to write multiple implementations to support that.

Jason then put up a massive graphic that outlined the entire DirectX pipeline. He pointed out that Wine's DirectX implementation differs radically from Microsoft's. Whereas Wine calls OpenGL in response to API calls, Microsoft seems to package up calls and maybe pass them through to the driver.

So where are we at? Wine's Direct3D 8 code is relatively complete. D3D9 won't be a massive change and centers around adding shader support. Things aren't in that good of a shape at the moment though. The new wined3d library was implemented for combining D3D8 and D3D9 code. However, only part of the code has been moved into the library. Its goal right now is to implement D3D9 on top of it and then switch D3D8 over to it. But that process remains to be done. Oliver Stieber's work has been written with wined3d in mind, but it needs to get merged. Apparently until recently Oliver was working more or less full time on the code, so there's been a substantial amount of work that's been done.

There remains more disparate work to be done though. Installer support and copy protection are problems. Jeremy White reiterated that he plans on locking Rob Shearman in a room until every installer works out of the box. Right now most of the D3D code places emphasis on quality rather than speed. Jason mentioned part of the reason for that was based on how he developed the code. Finally, other problematic areas include various Wine regressions, Quartz (DirectShow), sound, and the lack graphical test suites.

After that Jason started some demos. The first showed off drawing a square and triangle. Completely unimpressive, but Jason pointed out that at the point you can get them to display with DirectX, you have most of the underlying code you need to do really impressive stuff. Moving on, he showed a demo of the game Mafia with all kinds of cool D3D effects. Equally impressive were some of the demos with 3DMark. Jason pointed out that due to rebuilding his system the demos were actually running on CVS code rather than his development tree.

--

We moved on to discussing the new Microsoft Installer code mostly written by Aric Stewart and Mike McCormack. MSI encompasses a vast amount of code that sounds like complete overkill. As Aric explained, Microsoft must have went through, thought of every single little feature any installer would ever need, and then implemented them. Many things are now using it, including the latest InstallShield installers that wrap around MSI. As Windows98/Me (and even Windows 2000) support fades we'll see more and more need for MSI.

Aric and Mike outlined all the work they did figuring out exactly how MSI works. An MSI install file is actually a complete database, or more appropriately as Shachar Shemesh pointed out, it's a read-only data store. The database provides tables and an API similar to SQL to query those tables to figure out what needs to be done. For example, the names of all the files that need to get installed might be stored in one table and referenced from others. Besides the file format support, Wine's MSI requires an install engine, a user interface and a registry interface. To make things more interesting, most of it can be rolled back if the installation fails.

The components of the install engine are particularly interesting. Wine's implementation has been done completely in Unicode. It can check for installed components and features. Where all the work gets done are with actions . Microsoft defines a ton (over a hundred?) different actions like installing files, writing registry values, reading registry values, etc. In addition, custom actions can be defined. Aric mentioned that's where a lot of work remains to be done. His hopes are people will see an action fail and then look at MSI to figure how to implement it. One good area someone could look at would be the "remove" actions, which are a counterpart of the "add" actions that are already known.

--

Then we broke for lunch. Shachar organized a PGP key signing party so we broke off for a minute to do that. We also took a group photo [1.2MB]. Everyone seemed to be getting pretty weary at this point. The Samba guys announced they would have to leave early to head up to Goettingen for SambaXP.

--

Convening after lunch, Marcus Meissner presented reverse engineering techniques. Mostly it was a lesson in what various x86 assembly looks like and how to recognize certain constructs. For example, gcc and MSVC will write completely different constructs with different calling conventions. Marcus opened up one of the digital camera drivers he wrote for gphoto and showed what it did and various constructs it used. He moved on to discussing the implementation of stub DLLs. The high-level needs of Wine can get more info on what needs to be done by implementing stubs and fleshing them out.

--

Next up, we focused on testing. Paul Millar and Jeremy White combined two testing topics. CXTest had come up a few times throughout the conference, so it was nice to get a first hand glimpse of it.

Paul went up first and presented some ideas concerning automatic testing. He has a web interface he's maintained for quite a few years to do automatic builds and run the Wine test. Called Wine Regression Testing (WRT), it does async builds based on CVS emails. It puts a web page with all the results in an easy to read format. It also has the capability to send email based on the results of the build and tests. Paul pointed out the number of tests have really increased. A graph he displayed looked like we're at about 7500 tests now. If you're interested in more info on it, check out past issues of WWN - we've covered it at different points and have the URL in there.

Moving on, we had Jeremy White come up to discuss CXTest. For a couple of years Wine, or at least CodeWeavers, has been trying to develop an automated testing suite that tests graphical apps. Right now the Wine test suite is great for testing API's, but it doesn't do any good for actually testing a real world application and finding regressions. The idea is to somehow run a graphical program, make it do things, and then test to make sure those things were done correctly. If someone fails, then you can begin looking at patches to figure out which one caused the regression. A package will always have an install script. Then you build tests that automatically control graphical elements. You can specify different types of reporting.

If that sounds difficult, it's because it is. Jeremy mentioned they had spent a year just looking for a solution before deciding on the elements of CXTest. Now it appears CXTest is ready for widespread use. Besides just testing different programs and Wine, it lets us test things against different distros and kernels. It's completely possible a new kernel could break things. If you're interested in the technical details of CXTest and how to go about running it, check out the CXTest README file .

Jeremy has a script that checks out Wine every night, builds it, and then tests different apps. You can build tests that automatically do things like capture a picture, send key strokes, capture clicks, etc. Basically it's an automated way to control graphical elements you'd normally never have control over. The components involved include scripts and some custom Winelib stuff (part of the package and GPL'ed.) to click on different things. The reporting side can send test results to a central website and get formatted nicely.

A large discussion ensued about how useful it would be for Wine. What we seem to have learned is we're decent at collecting bug reports and finding which patch caused a regression. However, we're not that great at responding to such reports. Whether or not we need a lot more data is debatable. In the end it seems running the tests is easy, so maybe we just need to do it.

--

For the final presentation, Dimi wanted to put together a bit about what future work could be done. As he mentioned, each idea could almost fill a presentation on its own, but it's worth mentioning things to float ideas.

It would be great to get some other people from other projects interested in integration. There's an opportunity for better kernel integration, such as case-insensitive lookups. That would actually help Samba a lot as well and an idea to do it has been floated by Linus and Ingo Molnar. The idea of a kernel module isn't dead and it was another topic that came up again as something might be useful. We need to at least document what kind of interfaces would help in that area and then we could actually consider implementing them.

Another area we could improve upon are just various UI issues. Some window manager extensions would help, but we also know things we could do. For example, a DIB renderer is needed and theming support integrated with the desktop would be nice as well. Dimi also brought up his (healthy) obsession with DLLs. All this is important just because it's what the user ends up seeing - it can easily project a bad image.

Better desktop integration could also be done. For instance, mapping the Desktop/ folder or maybe configuring registry settings based on things in the user's environment (Eric Pouech specifically mentioned proxy servers could be automatically configured for IE.) Going further, file manager integration could be done with Nautilus or Konqueror.

Finally, Dimi presented some miscellaneous issues that are being kicked around. It sounds like authentication cooperation with Samba really might be possible. Current work on MSHTML working with Mozilla seems to be progressing and various reasons were presented for why that's important. We don't really have an upgrade strategy (heck, we just figured out the release strategy.)

Things wrapped up quickly. I sat down with Eric Pouech and Ira Krakow to go over some book chapters. Eric graciously lent nearly three hours and went through a lot of things. I changed my travel plans and decided to stay in Stuttgart an extra night rather than travel to Frankfurt. In fact, a lot of people stayed over in Stuttgart so CodeWeavers canceled their dinner and invited everyone out with them to a steakhouse downtown.

--

As I finish writing this, my plane is flying over Indiana. I've been awake for the better part of 24 hours traveling through four airports and a few train stations before that. WineConf 2005 was a great time. It was wonderful seeing everyone and meeting new folks. I can't thank everyone enough who pulled this off. Mr. Ulrich Gemkow and the University of Stuttgart for organizing the venue and the FEI student organization for staffing all the behind the scenes action. WRS and CodeWeavers kicked in a lot of $$$ to make this a free event for developers. On the ground we had David Gümbel and Michael Stefaniuc running around helping us get things done. We couldn't have done it without any of them. Now it's time to see if I can get a few hours of sleep before landing.


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