Meeting called to order by Ira McDonald at 1pm US Eastern. Minutes taken by Ira McDonald.
Attendees
Agenda
- Progress report
- As already mentioned last month, Till be on the GUADEC (GNOME developer conference) this
year which will take place on 20-25 July 2022 in Guadalajara, Mexico.
- Till will not only give his talk about the New Architecture of printing and scanning for
GNOME developers (21 July 2022 at 14:20-15:00 local time (Central Daylight Time, GMT-5),
Bosch Auditorium), but also come with my colleagues from Canonical, similar to the Linux
App Summit 2022 video.
- As of now the Canonical Gang will be Till, Heather Ellsworth, Britt Yazel, Marco Trevisan,
and Nathan Pratta Teodosio.
- Heather will give a lightning talk about the Linux Application Summit 2023 showing how to
submit a proposal if one wants to host the event. Till hopes this will help to have another
great LAS, as we had this year. It will take place most probably on 22 July 2022.
- We will also have a Canonical booth. But do not think about at the GUADEC booths being
these sales/marketing people in neatly tucked-in company polo shirts - no - at GUADEC
booths you will encounter developers, of the different companies and projects who are
participating. The booths are just tables to sit around them and chat. This makes it much
easier to find people for fruitful hallway sessions.
- Progress report
- Google has officially announced the contributor projects for 2022. We got 18 contributor
slots for the Linux Foundation, all 8 projects for OpenPrinting are accepted!
- With all the contributors, Till had already introductory meetings/chats, partially also
by video calls. Till also created groups on Telegram, Signal, and Discord (according to
participant's preferences) of the contributors and mentors for their daily chat about
their work, questions, planning, design Till is also trying to include upstream
developers into the team's whenever possible.
- The 2 contributors on the "Printers" module in the GNOME Control Center and the 2
contributors on scanning support for PAPPL are even together in contributor/mentor teams.
- During the introductory communication we already have planned the work, explained to the
contributors how things are working, and especially made the principal design decisions
for each project.
- The official coding period started 13 June 2022 and it seems also that the end-semester
exams at the Indian colleges have ended, so the contributors will be active coding from
now on.
- For in depth discussions of these projects, please see Till's June News.
- GSoC 2022 OP Projects
- Converting Braille embosser support into a printer application
Contributor: Chandresh Soni
Mentors: Till Kamppeter, Samuel Thibault
- Scanning Support in PAPPL
Contributor: Deepak Khatri
Mentors: Till Kamppeter, Michael Sweet, Dheeraj Yadav, Deepak Patankar
- Adding Common Print Dialog Backends (CPDB) support to existing Print Dialogs
Contributor: Gaurav Guleria
Mentors: Till Kamppeter
- GNOME Control Center GUI for discovering non-driverless printers and finding suitable
Printer Applications for them
Contributor: Mohit Verma
Mentors: Till Kamppeter, Michael Sweet, Pranshu Kharkwal, Divyasheel, Deepak Patankar
- Scanning Support in PAPPL with eSCL Support
Contributor: Rishabh Maheshwari
Mentors: Till Kamppeter, Michael Sweet, Dheeraj Yadav, Deepak Patankar
- Add Avahi calls for discovering and resolving driverless IPP printers and Optimize the
processes
Contributor: Sachin Thakan
Mentors: Till Kamppeter, Michael Sweet, Deepak Patankar
- Make a native Printer Application from Gutenprint
Contributor: Sahil Kumar Dhiman
Mentors: Till Kamppeter, Michael Sweet, Solomon Peachy, Robert Krawitz
- Create new printer setup tool for the GNOME Control Center
Contributor: Shivan Mishra
Mentors: Till Kamppeter, Pranshu Kharkwal, Divyasheel, Deepak Patankar
- GSoC 2022 Timeline
- DONE - 7 February 2022 - Mentoring organizations begin submitting applications to Google
- DONE - 21 February 2022 - Mentoring organizations application deadline
- DONE - 21 February to 6 March 2022 - Google administrators review organization applications
- DONE - 7 March 2022 - List of accepted mentoring organizations published - LF accepted
- DONE - 7 March to 3 April 2022 - Potential GSoC contributors discuss with mentoring orgs
- DONE - 4 April - GSoC contributor application period begins
- DONE - 19 April 2022 - GSoC contributor application deadline
- DONE - 12 May 2022 - GSoC contributor slot requests due from Org Admins
- DONE - 20 May 2022 - Accepted GSoC contributor projects announced - 8 OP standard projects!
- DONE - 20 May to 12 June 2022 - GSoC contributors meet mentors, read docs, get up to speed
- DONE - 13 June 2022 - Coding officially begins!
- 25 July 2022 - Mentors and contributors begin submitting Phase 1 evaluations
- 29 July 2022 - Phase 1 Evaluation deadline (standard coding period)
- 25 July to 4 September 2022 - GSoC contributors work with guidance from Mentors
- 5-12 September 2022 - Contributors final code/mentor evaluations (standard period)
- 12-19 September 2022 - Mentors submit final evaluations (standard period)
- 20 September 2022 - Initial results of Google Summer of Code 2022 announced
- 12 September to 13 November 2022 - Continue coding (extended period)
- 21 November 2022 - Contributors submit final code (extended period)
- 28 November 2022 - Mentors submit final evaluations (extended period)
- Progress report
- Continuing the restructuring to have libppd depend on libcupsfilters instead of
libcupsfilters depend on libppd, as introduced last month. Continuing to restructure
the code to separate the siamesian twins of the filter functions and PPD file support.
- After having made the cfFilterPDFToPDF() filter function free of PPD file support, Till
did the same also for the cfFilterPDFToRaster() filter function, the Poppler-based PDF
rasterizer. The ppdFilterPDFToRaster() wrapper filter function now adds PPD file support
to that.
- To reach this I have especially removed the PPD support from the color management support
functions (cfCm...() and cfColord...()), moved the reading from PPD keywords for
CUPS/Apple/PWG Raster/PCLm attributes, backside orientation, even number of pages for
duplex, and rendering intent into the PPD loader/parser functions for the wrapper filter
functions in libppd, added fields to the filter data structure for input and output
formats and also for a sample Raster header which can be derived from the PPD (from
pseudo-PostScript code in Raster driver PPDs).
- Also some crash bugs in code, which did not get exercised enough in our PPDish world, got
fixed.
- Most of the PPD attribute readouts are transferred to libppd now. Especially also some
code duplication in filter functions got eliminated. Now it is mainly to go through the
remaining filter functions and apply the new PPD handling functionality also to them.
- Progress report - 625 printers certified for IPP Everywhere v1.0 - 229 printers certified for IPP Everywhere v1.1
- Progress report - No update - If you find any bug, please report it on the bug tracker of the web app.
- Progress report
- ipp-usb is available as a Snap in the Snap Store now (2186 downloads)
- ipp-usb: Solution for non-driverless IPP-over-USB-reporting printers
- As a follow-up of the discussion about printers with a 7/1/4 USB interface but not doing
driverless IPP via IPP-over-USB on this interface (see last month), Alexander Pevzner has
found a solution for ipp-usb not blocking classic access to these printers. He simply lets
the ipp-usb daemon disconnect as soon as the access to the device during the preparation
of the daemon fails. See Issue #52. Thanks, Alex, for this.
- Progress report - No update
- Progress report
- Current PAPPL release is v1.2.1 on 26 May 2022.
- Michael Sweet released PAPPL v1.2.0 (and bug fix follow-up v1.2.1) with support for
SNMP-based supply level readout, localization, and human-readable strings for vendor
options. Features which were still missing for the development of pappl-retrofit.
- Till has started to work on adding the new PAPPL v1.2.x features (SNMP-based supply level
readout, localization/human-readable strings for options/attributes) to pappl-retrofit.
- All the CUPS-driver-retro-fitting Printer Applications in the Snap Store use the current
GIT master of PAPPL, so they contain all the latest fixes and improvements.
- See also the currently open and closed issues of PAPPL.
- Supply level readout
- The supply-level readout Till made already use of in a first implementation in
pappl-retrofit (plus crash fix, extra crash guards, no premature backend shutdown,
following the implementation in hp-printer-app after talking about how to do the
supply-level readout with Michael Sweet on the OpenPrinting mailing list. For now it
only works for network-connected printers and when using PAPPL’s own print backends.
Later on we will also add support for supply-level readout for embedded CUPS filters.
- Till also started work on finding out how to read out supply levels with embedded CUPS
backend calls and found out that also CUPS backends need access to the PPD file. So
Till made sure the PPD is also available when a printer uses a CUPS backend (commit).
Till found the way how to complete it but had no time to implement it due to the more
urgent work on the cups-filters 2.x release.
- Localization and human-readable strings
- Till also had some chat with Michael Sweet on the OpenPrinting mailing list, about
localization and human-readable strings for the vendor options and how to implement it
in pappl-retrofit, as here the set of strings is variable on run-time due to the PPD
files. They are once too many for pre-building the strings file and second, in the
PostScript Printer Application the user can add their own PPD files.
- PAPPL release v1.3b1 planned changes (Mike, Till)
- Added debug logging for device management.
- PAPPL release v1.2.0 on 15 May 2022 (Mike)
- PAPPL v1.2.0 is now available for download. PAPPL v1.2 adds full localization, support
for additional IPP features, and some other improvements. Changes in v1.2.0 include:
- Added papplMainloopShutdown API to trigger a shutdown of the system that was started by
papplMainloop.
- Fixed mapping of MIME media types to IEEE-1284 Command Set values.
- Fixed a crash bug when no printers are added.
- Fixed compatibility issues with libcups3.
- The macOS menu extra did not update the list of available printers.
- No longer try to show the macOS menu extra when running from a root launchd service
(Issue #201)
- PAPPL release v1.2.1 on 26 May 2022 (Mike)
- Fixed a bug in the max-clients support code (Issue #205)
- Fixed compiler warnings (Issue #206, Issue #207)
- Fixed corruption in the English localization file.
- PAPPL didn’t compile against CUPS 2.2.6 and earlier.
- Progress report - No update
- Progress report
- The 4 retro-fitting Printer Applications are now also built with PAPPL 1.2.1 and so
getting all the new features and bug fixes, but due to the fact that they use CUPS
backends and not PAPPL's own backends to communicate with the printers they currently do
not support supply level readout. This will be added later, but most probably only after
the release of cups-filters 2.x. Also the support for human-readable strings for the
vendor options will come.
- For those who are printing JPEG images shot with digital cameras directly to a Printer
Application (using the setting print-scaling=none) and expect the photo coming out in its
"original size" according to the image file's metadata will have much better chances now,
as the image resolution information in the image’s EXIF data (metadata saved in the image
file by the camera, more commonly used to find out about ISO, shutter speed, aperture) is
made use of now. See cups-filters Issue #362 and Pull request #466 which implements the
EXIF support. Thanks to Brian Potkin from Debian for reporting and to Sachin Thakan (GSoC
contributor on Avahi support, see above) for the implementation.
- Progress report - Gutenprint is available as a Snap in the Snap Store now (3974 downloads)
- Progress report - HPLIP is available as a Snap in the Snap Store now (4725 downloads)
- Progress report - Ghostscript is available as a Snap in the Snap Store now (1413 downloads)
- Progress report - PostScript is available as a Snap in the Snap Store now (2390 downloads)
- Progress report
- CUPS is available as a Snap in the Snap Store now (41888 downloads)
- Note: The sky-rocketing of the number for the CUPS Snap from ~4200 last month to ~42000
this month is due to the fact that Application Snaps in the Snap Store which use the new
cups snapd interface auto-install the CUPS Snap as it is needed for the interface's
security concept. The new interface got launched April 25 and the first application using
it uploaded on 16 May 2022.
- The cups snapd interface now having been officially launched and documented gets started
to be actually used.
- The first application using this interface got uploaded to the Snap Store, on 17 May 2022,
onlyoffice-desktopeditors and after that, on 13 June 2022, FreeCAD. Congratulations to the
developers of these applications and thanks to Daniel Manrique from the Snap Store Team at
Canonical for this valuable information.
- But with the code now getting actually exercised, we also found first bugs:
- On a first test with the Chromium Snap by my colleague Nathan Pratta Teodosio from
Canonical some bugs got found which are all already fixed as of now.
- While starting to make use of the new cups printing interface in the web browsers,
replacing cups-control by cups there, as recommended now, it turned out that the CUPS
Snap in proxy mode did not clone the print queues, at least if there are no network IPP
printers around (observed by Nathan Pratta Teodosio and also Olivier Tilloy, both from
Canonical's Ubuntu Desktop Team, thanks a lot for reporting and especially Nathan's
patience in investigating it). This was caused by bugs in the CUPS Snap itself,
cups-proxyd not doing an update right after starting and the CUPS Snap needs
to plug cups-control to use D-Bus services of host system’s CUPS (fixed)), and a bug in
snapd, an erroneous restriction peer=(name=org.freedesktop.DBus,label=...) for CUPS
D-Bus access (Pull request #11843 on snapd).
- The fix on snapd got already merged and should be in snapd 2.56 (Snap Store) and the
fixes on the CUPS Snap are included in version 2.4.2-2 also already in the Snap Store,
so everything should work now.
- Only missing piece is approval from the Snap Store team to auto-connect the cups-control
interface. The request is posted here.
- For now, should you not connect cups-control manually (sudo snap connect cups:cups-control)
and/or not have snapd 2.56 or newer, at least when starting the CUPS Snap the cloned queues
are updated, as well as on appearing or disapperaing of a network printer. So if a new
print queue does not get cloned (not appear in print dialogs of snapped applications),
either power-cycle an arbitrary printer in your local network or restart the CUPS Snap
(sudo snap stop cups; sudo snap start cups).
- Thanks, James Henstridge (Canonical Desktop Team) for the pull request on snapd, and
Michael Vogt (snapd Team Manager at Caninical), Alberto Mardegan, and Alex Murray for
quickly approving this pull request.
- To assure that the CUPS Snap works correctly with the current cups-filters 2.x, we are now
building the included Ghostscript v9.56.1 with all output devices needed for the 4 page
description languages needed for driverless IPP printing (PDF, PWG Raster, AppleRaster,
PCLm). The CUPS Snap is also updated to CUPS v2.4.2 now.
- Progress report - No update
- Project report - No update
- CUPS (Mike and Zdenek)
- Current release is OP CUPS v2.4.2 on 26 May 2022.
- There will be further bug fix releases in the 2.4.x series. Some bug fixes were done,
see changes below.
- Ubuntu Jammy Jellyfish (22.04 LTS) comes with v2.4.1.
- Ubuntu Kinetic Kudu (22.10) will most probably come with a later v2.4.x.
- The CUPS Snap and our CUPS-driver-retro-fitting Printer Application Snaps use the current
GIT master of CUPS.
- CUPS release v2.4.2 on 26 May 2022 (Zdenik Dohnal)
- CUPS 2.4.2 brings the fix for CVE-2022-26691, together with LibreSSL/OpenSSL and minimal
AIX support. There are lots of bug fixes as well:
- Fixed certificate strings comparison for Local authorization (CVE-2022-26691)
- The cupsFileOpen function no longer opens files for append in read-write mode (Issue #291)
- The cupsd daemon removed processing temporary queue (Issue #364)
- Fixed delay in IPP backend if GNUTLS is used and endpoint doesn't confirm closing the
connection (Issue #365)
- Fixed conditional jump based on uninitialized value in cups/ppd.c (Issue #329)
- Fixed CSS related issues in CUPS Web UI (Issue #344)
- Fixed copyright in CUPS Web UI trailer template (Issue #346)
- mDNS hostname in device uri is not resolved when installaling a permanent IPP Everywhere
queue (Issues #340, #343)
- The lpstat command now reports when the scheduler is not running (Issue #352)
- Updated the man pages concerning the -h option (Issue #357)
- Re-added LibreSSL/OpenSSL support (Issue #362)
- Updated the Solaris smf service file (Issue #368)
- Fixed a regression in lpoptions option support (Issue #370)
- The scheduler now regenerates the PPD cache information after changing the "cupsd.conf"
file (Issue #371)
- Updated the scheduler to set "auth-info-required" to "username,password" if a backend
reports it needs authentication info but doesn't set a method for authentication (Issue
#373)
- Updated the configure script to look for the OpenSSL library the old way if pkg-config is
not available (Issue #375)
- Fixed the prototype for the httpWriteResponse function (Issue #380)
- Brought back minimal AIX support (Issue #389)
- cupsGetResponse did not always set the last error.
- Fixed a number of old references to the Apple CUPS web page.
- Restored the default/generic printer icon file for the web interface.
- Removed old stylesheet classes that are no longer used by the web interface.
- CUPS 2.4.3 planned changes (Mike, Till)
- Added a title with device uri for found network printers (Issues #402, #393)
- Fixed configuration on RISC-V machines (Issue #404)
- Fixed an OpenSSL crash bug (Issue #409)
- CUPS Filters Summary (Till)
- Currently release is v1.28.15 on 11 April 2022.
- We are continuing to restructure the code to separate the siamesian twins of the filter
functions and PPD file support and after that we will finally polish and bug-fix the code
for the v2.0.0 release.
- The re-structuring made Till not do any further bug fixes on cups-filters, so there is
also nothing to backport to 1.x.
- Ubuntu Jammy Jellyfish (22.04 LTS) comes with cups-filters v1.28.15. Ubuntu Kinetic Kudu
(22.10) will be the first Ubuntu coming with cups-filters 2.x.
- The CUPS Snap currently uses cups-filter's GIT master (2.x). The Printer Application
Snaps also use the current GIT master of cups-filters.
- CUPS Filters release v1.28.15 on 11 April 2022 (Till)
- Bug fix release, to make all HP LaserJet PostScript printers correctly work.
- Ubuntu Jammy Jellyfish (22.04 LTS) comes with cups-filters v1.28.15. The CUPS Snap
currently uses cups-filter’s GIT master (2.x). The Printer Application Snaps also use the
current GIT master of cups-filters.
- Joint PWG/OP Summit Virtual F2F - 17-19 May 2022 - Ira/Aveek/Till attended
- https://www.pwg.org/chair/meeting-info/meetings.html
- See summary links above
- PWG Virtual F2F - 16-18 August 2022 - Ira to attend
- https://www.pwg.org/chair/meeting-info/meetings.html
- Status of AMSC and ISO liaisons w/ PWG (Paul Tykodi)
- http://ftp.pwg.org/pub/pwg/general/sc/pwg-sc-call-minutes-20220307.htm
- http://ftp.pwg.org/pub/pwg/general/sc/pwg-sc-call-minutes-20220404.htm
- http://ftp.pwg.org/pub/pwg/general/sc/pwg-sc-call-minutes-20220502.htm
- see PWG Steering Committee minutes from 03/07/22, 04/04/22, 05/02/22
- PWG Hardcopy Device Security Guidelines v1.0 - Interim draft
- https://ftp.pwg.org/pub/pwg/ids/wd/wd-idshcdsec10-20220208-rev.pdf
- for a Best Practice
- PWG F2F review on 9 February 2022
- Schedule - Prototype draft in Q4 2022 / Q1 2023
- IPP Everywhere v1.1 Printer Self-Certification Tools Update 4 (Mike)
- https://www.pwg.org/archives/ipp/2022/021155.html
- v1.1 Tools Update 4 third last call started 27 May 2022 ends 10 June 2022 or later
- IPP Workgroup Charter (Ira) - PWG Approved
- http://ftp.pwg.org/pub/pwg/ipp/charter/ch-ipp-charter-20210409.pdf
- update for new IPP WG projects
- PWG Approved on 9 April 2021
- IPP INFRA Cloud Proxy Registration (Cihan, Mike) - proposed
- https://www.pwg.org/archives/ipp/2020/020688.html
- https://ftp.pwg.org/pub/pwg/ipp/slides/ipp-wg-agenda-november-20.pdf
- for a Registration (near-term)
- minor update of IPP System Service and IPP Infrastructure Printing
- offline discussions with Microsoft about Universal Printing coherence
- PWG Virtual F2F discussion on 6 May 2021
- Schedule - TBD
- IPP Finishings v3.0 (Smith) - Candidate Standard
- https://ftp.pwg.org/pub/pwg/candidates/cs-ippfinishings30-20220527-5100.1.pdf
- for a Candidate Standard
- major update of PWG 5100.1-2017
- PWG at PWG Virtual F2F on 18 May 2022
- PWG Formal Vote started 9 April 2022 ended 27 May 2022 - PWG Approved
- addressed all of Google Chromium comments during Formal Vote
- Schedule - Candidate Standard - published on 11 June 2022
- IPP Enterprise Printing Ext v2.0 (Smith) - Prototype draft
- https://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippepx20-20211101-rev.pdf
- for a Candidate Standard
- PWG status at PWG Virtual F2F on 18 May 2022
- Schedule - Stable draft in Q3 2022
- IPP Production Printing Ext v2.0 (Mike) - Prototype draft
- https://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippppx20-20211020-rev.pdf
- for a Candidate Standard
- major update of PWG 5100.3-2001
- PWG status at PWG Virtual F2F on 18 May 2022
- Schedule - Stable draft in Q3 2022
- IPP Driverless Printing Extensions v2.0 (Smith) - Prototype draft
- https://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippnodriver20-20220222-rev.pdf
- for a Candidate Standard
- major update of PWG 5100.13-2012
- PWG status at PWG Virtual F2F on 18 May 2022
- Schedule - Stable draft in Q3 2022
- IPP Encrypted Jobs and Documents (Mike/Smith) - Prototype draft
- https://ftp.pwg.org/pub/pwg/ipp/wd/wd-ipptrustnoone10-20210519-rev.pdf
- for a Candidate Standard
- PWG status at PWG Virtual F2F on 18 May 2022
- Waiting for prototyping
- Schedule - Stable draft in Q4 2022
- IPP 2.x (Mike/Ira) - Interim draft
- https://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippbase23-20220428.pdf
- major update of PWG 5100.12-2015
- PWG review at PWG Virtual F2F on 18 May 2022
- Schedule - Prototype draft in Q3/Q4 2022
- IPP Everywhere v2.0 (Mike/Ira) - Interim draft
- https://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippeve20-20220510-rev.pdf
- major update - for a Candidate Standard
- PWG review at PWG Virtual F2F on 18 May 2022
- Schedule - Prototype draft in Q3/Q4 2022
- IPP Everywhere Printer Self-Certification Manual v2.0 (Mike/Ira) - Interim draft
- https://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippeveselfcert20-20220510-rev.pdf
- major update - for a Candidate Standard
- PWG review at PWG Virtual F2F on 18 May 2022
- Schedule - Prototype draft in Q3/Q4 2022
- IEEE 1609 WG Virtual F2F - 28 June 2022 - Ira to attend - https://standards.ieee.org/develop/wg/1609.html - ISO/IEC JTC 1/SC 27/JWG6 - 6 July 2022 - Ira to attend - https://www.iso.org/standard/81805.html - ISO TC22/SC32/WG12 Hybrid F2F (Tokyo) - 11-15 July 2022 - Ira to attend - https://www.iso.org/standard/77796.html (ISO DIS 24089, Automotive Software Update) - TCG Members Meeting Hybrid F2F (Chevy Chase, MD) - 18-22 July 2022 - Ira to attend - https://trustedcomputinggroup.org/ - IETF 114 Hybrid F2F (Philadephia, PA) - 25-29 July 2022 - Ira to attend - https://www.ietf.org/how/meetings/114/ - IEEE 1609 WG Virtual F2F - 16 August 2022 - Ira to attend - https://standards.ieee.org/develop/wg/1609.html - PWG Virtual F2F - 16-18 August 2022 - Ira to attend - https://www.pwg.org/chair/meeting-info/meetings.html - ISO TC22/SC32/WG12 Virtual F2F - 23-25 August 2022 - Ira to attend - https://www.iso.org/standard/77796.html (ISO DIS 24089, Automotive Software Update)
Open Action Items
Next OP US/Europe/Brazil/India Conference Calls
- Tuesday 5 July 2022, Daytime
- Web conference to be announced
- Note - US Independence Day holiday - 4 July 2022
- Note - ISO/IEC JTC 1/SC 27/JWG6 - 6 July 2022
- Note - ISO TC22/SC32/WG12 Hybrid F2F (Tokyo) - 11-15 July 2022
- Note - TCG Members Meeting Hybrid F2F (Chevy Chase, MD) - 18-22 July 2022
- Note - IETF 114 Hybrid F2F (Philadephia, PA) - 25-29 July 2022
- US
10am in San Francisco - US PDT (Pacific Daylight Time)
11am in Colorado - US MDT (Mountain Daylight Time)
12am in Chicago - US CDT (Central Daylight Time)
1pm in New York - US EDT (Eastern Daylight Time)
- Europe
7pm in Berlin - CEST (Central Europe Summer Time)
- Brazil
2pm in Belo Horizonte - BRT (Brasilia Time)
- India
10:30pm in New Delhi - IST (India Standard Time)
- Tuesday 9 August 2022, Daytime
- Web conference to be announced
- Note - IEEE 1609 WG Virtual F2F - 16 August 2022
- Note - PWG Virtual F2F - 16-18 August 2022
- Note - ISO TC22/SC32/WG12 Virtual F2F - 23-25 August 2022
- US
10am in San Francisco - US PDT (Pacific Daylight Time)
11am in Colorado - US MDT (Mountain Daylight Time)
12am in Chicago - US CDT (Central Daylight Time)
1pm in New York - US EDT (Eastern Daylight Time)
- Europe
7pm in Berlin - CEST (Central Europe Summer Time)
- Brazil
2pm in Belo Horizonte - BRT (Brasilia Time)
- India
10:30pm in New Delhi - IST (India Standard Time)
- Tuesday 6 September 2022, Daytime
- Web conference to be announced
- Note - US Labor Day holiday - 5 September 2022
- US
10am in San Francisco - US PDT (Pacific Daylight Time)
11am in Colorado - US MDT (Mountain Daylight Time)
12am in Chicago - US CDT (Central Daylight Time)
1pm in New York - US EDT (Eastern Daylight Time)
- Europe
7pm in Berlin - CEST (Central Europe Summer Time)
- Brazil
2pm in Belo Horizonte - BRT (Brasilia Time)
- India
10:30pm in New Delhi - IST (India Standard Time)