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SeaMonkey Meeting Details


  • Who's taking minutes? -> frg
  • Nominees for Friends of the Fish Tank:
    • WG9s for helping out with bug fixing

Action Items

(who needs to do what that hasn't been recorded in a bug) We should assign people to the open items.


  • frg suggests aligning the source with Fx after 2.56ESR. This means taking most parts of browser and put the old ui and mail integration on top. Reason is that porting bugs gets harder very day and web extensions plus e10s supports nedds to be added in the near future.
    • IanN thinks it might be a too huge task. The last time this was done more devs were available.
  • SUSE might port security bugs to 2.49 after formal support ends. We might be able to extend support for the 2.49 ESR line if true.


  • Probably a few things need to be fixed in the coming weeks to get SeaMonkey 2.54 working nicely. Mozilla is currently removing older apis left and right.
  • Google API key needs a quota update and might have issues with Safe Browsing V4
  • Upcoming l10n changes to the build system which need to be monitored.
    • Mozilla plans to check in l20n. Unclear what this means for comm-central and the current l10n build configs.
    • bug 1107635 - Rewrite build system l10n repack rules from Makefile rules into a Python script might also affect a timely l10n repacks but there has been no movement in it for some time.
    • bug 1372167 - Unify l10n.ini and into a single (python-independent) format for comm-central apps has now been checked in. There are still parts missing in toolkit but this might change the l10n build system again. This needs to be fixed before a possible ESR 59 (2.56) release.
    • bug 1382632 - [c-c] Make installers-% "just work", hard-code build internals or provide sane defaults.
  • New council members frg, rsx11m and ewong were already appointed a few weeks ago. IanN will look into a website update now that the project areas were updated.
  • TODO: Add Adrian Kalla to RelEng team. Overall no change as of today.
  • Discussions and planning about the future of SeaMonkey and if we should set up own builders are still going on.
    • For the previous discussions see the last status meettings.
    • ewong is evaluating the cost and specs for an aws based build system.
    • Cross compiling macOS builds is now possible for Firefox under Linux. If this can be made to work for SeaMonkey we won't need OSX builders.
      • OSX builders would only be needed for tests. This can be added at a later stage.
    • We need a jumphost, a buildmaster, a Windows and a Linux slave.
      • A Puppet system for setup and configuration is under evaluation.
      • Costs and if we should do an initial 1 yor 3 year setup are still evaluated.
      • Funding is available.
    • We need to start with a static setup and expand as necessary.
    • The current infrastructure will be decommissioned in less than a year and is already failing.


Status of the SeaMonkey Buildbot Master and Tree

  • Various Bugs open for building.
    • We have only one OSX64 builder left. ewong filed bug 1379881 to get the second one back.
    • OSX64: busted due to bug 1260362. Yasm 1.2 needs to be installed. (Ratty: Depends on bug 1257904. How to get traction on this?)
    • Linux64 Nightly: bug 1275215 is still open but Linux is building most of the time.
    • Linux64 build: bug 1275218 is still open but Linux is building most of the time.
    • Windows building is done on the loaner.
    • Various l10n and other bugs bug 1293943 which might also impact the release schedule.
      • CZ langpacks seem to be disabled by default, so that needs to be sorted.
      • DOMi still needs to be sorted.
      • Lightning l10n upload still needs to be sorted.
      • bug 1372167 might help with the l10n issues.
  • [06th August 2017]
    • Tests have been re-enabled to enable us to find out what's busting them. bug 1295826 tracks the fixes for the Testing Infrastructure.
      • All tests are red.
    • All trees:
      • Problems with Mercurial bug 1368956 make check orange w/ hg unknown command "files".
      • Tree status are not quite updated. Will update asap.
    • [comm-central]:
    • [comm-beta]:
    • [comm-release]:
    • [comm-esr52]:
  • Notes:
    • IanN would like to check in OSX cross compile config changes. Apple has open sourced the SDK. Legally it should be ok to use it.
    • For reference only: Building with gtk2 has been disabled and can no longer be done starting with Gecko 53 / SeaMonkey 2.50 bug 1278282.
    • Ewong did set up a cron job to do semi regular builds on the loaner machine. The MAC builders can be updated to OSX 10.9. He needs to consult with Callek first about this.
    • Windows nightly trunk builds are only done on the loaner. Migrating our Windows builders to Win2008 R2 will likely never happen.
      • Callek: Regarding the windows systems, sadly no progress yet. I'm hopeful we can get done sooner than later, I'm realistic expecting it won't be any time soon.
    • Langpacks aren't updated when auto-updating SeaMonkey because they aren't uploaded to AMO. The solution requires changes in SeaMonkey RelEng (and possibly AMO).
    • wrt bug 1155011, we already have a Soccoro token. The patches on bug 1155013 require approval and then pushed and the work-around patches backed out.
  • See RelEng page for the RelEng status history.

Release Train

  • SeaMonkey 2.48 was released on 31, July 2017.
    • Updates from older SeaMonkey versions to 2.48 will not always work. This has been announced on the project page.
    • SeaMonkey 2.48 has problems with OS X 10.12 It might crash during startup or when accessing mail or news. bug 1389181 is open for this. A local 2.49.1 test build fixes it. We will not do a 2.48.1 release and try to get out 2.49.1 fast.
  • 2.48 is the last gtk2 build. gtk3 will be enabled for 2.49.1.
    • There are at least three problems with gtk3 builds which may not be resolved in time (bug 1269145, bug 1267982, bug 1331208).
    • A regression for gtk2 builds since 2.40 has been identified but is limited to certain desktop themes and doesn't seem to affect the most current OS version (bug 1312215).
    • A meta bug for gtk3 compatibility has been created for 2.49.1 and up (bug 1367257)
  • The next release will be 2.49.1 build from the ESR branch. It is tracked in bug 1346939.
    • SeaMonkey 2.49.1 will be build with ALSA support. This has been disabled in Firefox 52 and causes problems for Linux users (see discussion in bug 1345661).
    • Release notes in bug 1385792.
    • All source code changes have been checked in. Only l10n changes remaining.
    • Updates for 2.48 are not working. For 2.49.1 updates need to be tested if they are still working:
      • bug 1274722 Add %SYSTEM_CAPABILITIES% to the SeaMonkey app.update.url preference
      • bug 1271761 Add CPU features/detection to update URL
    • Various mozilla bugs were uplifted in the mozilla-esr52 THUNDERBIRD_52_VERBRANCH release branch together with Thunderbird.
    • 2.491 will use Rust parts for the first time. MOZ_RUST_MP4PARSE=1 and MOZ_RUST_URLPARSE=1 had been set for this.
    • l10n problems from 2.46 are still not solved. Extensions again can not be shipped bundled with this release. A removal patch has been checked into the 2.49.1 ESR release branch. DOMi and cZ tags have nevertheless been updated for a future release.
    • Missing dropmarker in (bug 1331208) might affect 2.49.1.
      • l10n problem is tracked in (bug 1231349).
      • Chatzilla and DOMi repack problems are also tracked in bug 1315552.
      • IanN has locale merge working for Chatzilla and is working on the DOMi repack issues.
      • See also bug 652063 (Enable localized ChatZilla builds).
  • Discussions if we should match minor version numbers with Firefox are still underway. This would need a coordinated change for either c-c or all trees. All minor versions would be changed and the versions would need to be made available in bugzilla. Lightning version calculation needs to be changed. This will be done at a later date and not for 2.49 ESR.
  • Linux x64 and Windows x64 releases
    • ewong made officially linux64 builds (incl. tests) happen in comm-central.
    • Unofficial (contributed build) Win64 builds work now too.
  • Releases will be done off comm-esr52 and then comm-esr59.
    • Firefox plans removal of non-WebExtension add-ons and full-theme support with Gecko 57 [1].
    • Patches which do not concern Thunderbird could be checked into comm-esr52 (once established) after getting approval too.

Extensions and Plugins Compatibility Tracking

  • SeaMonkey Council is looking into setting up a separate add-ons site for SeaMonkey extensions. This would fix long standing issues we have with AMO.
    • Ratty and IanN will meet with the AMO people to discuss this.
    • Ratty and IanN will meet with the Thunderbird people to discuss this.
    • Progress is slow to non-existent because Ratty is currently absent.
    • [Ratty] Suggests that if we do this, we can also host the Firefox & Thunderbird Add-on Converter for SeaMonkey.
  • Firefox plans removal of non-WebExtension add-ons and full-theme support with Gecko 57 [2].
    • new add-ons other than WebExtensions will no longer be accepted for signing as early as Gecko 53.
    • The add-on sdk will be removed from mozilla code for Firefox 58. Other parts will follow.
  • See Basics page. Please only list current changes here.
  • Firefox & Thunderbird Add-on Converter for SeaMonkey
    This tool goes a little further beyond simply modifying install.rdf - it also identifies a few more other things in the code that are Firefox or Thunderbird specific and attempts to change them. Of course, not all extensions can be ported so easily to SeaMonkey since there's only so much an automated tool like that can do.
    • We are looking for a better(?) home for extension-converter pages, along with a way to track successful and conversion-failed add-ons, and respective integration into SeaMonkey by add-on or manager overlay [3], bug 1145026.
    • Ratty filed bug 1130390 to add a link on to the Firefox & Thunderbird Add-on Converter for SeaMonkey.
  • The AMO Browsing for SeaMonkey extension, which makes AMO pages a lot more SeaMonkey-friendly, is mature. It was developed by LemonJuice (of Add-on Converter fame), and Tonymec, who tested it and now uses it, supports it enthusiastically. The author proposes to add it as a "built-in extension" besides ChatZilla, DOMi and the like. What do you think? (See also Bug 1145026: AMO Add-On-Descriptions: Add link function leading to SeaMonkey add-on-converter and filling URL input pane; the extension actually does much more than the bug's Summary implies: for instance it gets rid of the stupid "You need Firefox 10 or later" popups.
  • The HTML Validator adds HTML validation to SeaMonkey. The Beta version is no more Windows-only: it boasts support for W32/64, L32/64 and Mac 32/64 Universal in a single XPI. It does not officially support trunk builds but in Tonymec's experience it worked with them last year. It offers a choice of validators: Tidy, SGML (same algorithm as the W3C validator but client-side) or both. Caveat: The toolbar button gives no results for HTML5, you need View Source for that. See the developer's site for details.
  • In Gecko 52 obsolete toolkit parts were removed in bug 1312143. This may cause problems with older add-ons when SeaMonkey 2.49 hits the road. The 2.49 release notes should mention it. Chatzilla and DOMi were affected and were fixed.
  • There is a new build variable: MOZ_ALLOW_LEGACY_EXTENSIONS=1. It is currently set to true (1) and has also been put into SeaMonkeys to play it safe.
    • With this build variable set, most legacy extensions (or at least most of those which work in 2.49, see above) work even in 2.54a1 notwithstanding its being built on Toolkit 57.0a1 but if you use the "Add-ons Manager - Version Number" extension on SeaMonkey 2.54a1, you need its latest development version, i.e. version 1.5beta1, published during the night from 5 to 6 August (just before the meeting): earlier versions wreak havoc with the add-ons manager display (but of course not in Safe Mode).
  • IanN would like to know which extensions use toolkit\obsolete and SMILE. Callek_cloud9' has no access to the internal mozilla repository to check.
  • Many "deprecated" symbols, which were kept for extension compatibility, were removed from Toolkit 57.0a1 on August 7, and a few more shortly thereafter, causing a lot of extensions to malfunction or to stop working.
    • ChatZilla was fixed by frg in bug 1389449.
    • Nightly Tester Tools will not be fixed (by policy of its maintainers), it is to be converted to a WebExtension instead, but that will take time, see "Rewrite NTT as WebExtension" (issue, pull request) on NTT's github site. An unofficial XPI supporting SeaMonkey and Gecko versions and changesets has been uploaded here.
    • Of course, no fix is to be expected in extensions no longer actively maintained.

++ Adblock Plus and uBlock are both broken in SeaMonkey 2.54

2.x (Last, Current, Next)

  • SeaMonkey Statistics can be viewed at Across all channels we have an approximate ADU of 120k.
  • See Basics page for the usual reminders.
  • Old add-on signing methods might be removed. SeaMonkey and Thunderbird still use them per thread "removing "the old way" of signing add-ons" in Apparently…sions/content/xpinstallConfirm.xul contain the references to them.

2.48 current release

open tracking (0) tracking requests (4) targeted (1) fixed (29)

2.49.1 planned next release

open tracking (0) tracking requests (6) targeted (0) fixed (47)


  • toolkit\components\exthelper will be removed. This is needed for SeaMonkey SMILE and will be temporarily copied to suite.
  • OSX builds can be done with the 10.12 SDK in the future. The SDK is provided in bug 1324892 via tooltool.
  • We need someone to work on porting sync 1.5 over to replace legacy sync code. Frg was distracted by other bugs and tasks and didn't look into it yet.
    See: New Firefox Sync has landed in Firefox Nightly. Tracked in:
    • bug 998807 Sync account creation or device pairing fails with exception in BrowserIDManager.
    • bug 1003434 Add support for about:sync-progress.
    • As an alternative to porting sync setting up a sync 1.1 server might work.
    • Sync 1.1 has been removed from the mozilla source tree. If we want sysnc 1.1 to work we need to fork it.
      • Pro: We control our own sync server and are not left at the mercies of Mozilla the next time they change their sync system.
      • Con: Can't sync with Firefox (unless someone writes a Sync 1.1 client for Firefox).
  • Stalled. Needs a kick:
    • bug 815954 Click-to-Play: Port bug 812562 (click-to-play blocklisted plugins: reshow urlbar notification as with normal click-to-play).
    • bug 476108 GetShortPathNameW fails under some NTFS junctions [patchlove].
  • Current breakages:
  • Mozilla-central bugs that affect us:
    • bug 1298243 'drag/drop: DataTransfer.types is wrong type'. Building SeaMonkey still works but changes probably need to be ported.
    • bug 1276739 'replace list.txt with a region-aware JSON file format to allow different search configs...'. Regressions for SeaMonkey are tracked in bug 1300198.
      • bug 1300198 Move list.txt over to JSON once bug 1276739 is in.
        • This will likely break search engines and needs to be looked at.
    • A lot of these bugs are due to mozilla-central switching from synchronous APIs to Asynchronous APIs.
    • The C++ downloads manager backend nsIDownloadManager is being decommissioned. Firefox and Thunderbird have migrated to jsdownloads. Its going away in
    • bug 825588 Asynchronous JavaScript API for downloads and bug 851471 Decommission nsIDownloadManager. Tracked in:
      • bug 888915 Move SeaMonkey to the new JavaScript API for downloads when nsIDownloadManager is decommissioned. Needs further work.
    • bug 1378089 Figure out what to do with bookmarks transactions. Probably needs a lot of work after SeaMonkey 2.53.
  • [adriank] would like to drop DOMi or at least not bundling it with release builds in bug 1273222. Open for discussion.
  • [rsx11m] did open bug bug 1305902 for certificate pinning. Discussion if it should be enabled for SeaMonkey is still underway. Callek commented in the bug.
  • Nightly and Aurora updates are broken. bug 1321131 might be the cause. Aurora users need to be migrated to another channel if possible.

Feature List, Planning

Bug statistics for the last two (full) weeks: 25 new, 9 fixed, 4 triaged.

  • moderate triaging effort, average number of new bugs filed.

Open reviews/flags: 36 review 5 super-review 1 ui-review 12 feedback

  • See Feature List page for major wanted/needed features.
  • TODO:
    • Encrypted Media Extensions / Digital Rights Management
      • bug 1127784 added a preference and UI to enable/disable playback of Encrypted Media Extensions, with UI seen in non-release builds only
      • More work appears to be needed to download necessary 3rd-party Content Decryption Modules, some UI can probably be ported from Firefox
  • Mozilla wants to Move Thunderbird off MoCo infrastructure and onto their own, which will likely affect SeaMonkey as well
  • Fundamental core features Firefox/Mozilla plans to remove:
  • Rainer does a Coffee-Mug-Competition. Please let any developers you know to it and post a big Help wanted! sign.
  • SeaMonkey Composer is outdated. Ratty thinks that using backports or parts of KompoZer [4] might solve some of the problems.
  • x64 Linux and for the first time x64 Windows builds will be made official as soon as possible.
    • Unofficial Linux builds just need to be declared official.
    • Providing Windows x64 builds is tracked in bug 482143.
  • The website and wiki are outdated. InvisibleSmiley no longer maintains the website. For 2.46 the website was updated but it still needs work.
  • frg suggested asking for donations in a future release. Probably during startup or more prominently on the website.
  • frg suggested a tabbrowser.xml overhaul because it's becoming harder to backport fixes from Firefox.
    • IanN suggests doing small patches which are easier to review.
  • There are reports that the PayPal donation on the website doesn't work for USD. It seems the amount is converted to Euro (probably correct if it is a German account).
  • Images should be vectorized and be svg if possible for future updates and HiDPI compatibility.
  • bug 1384172 Expose intl.regional_prefs.use_os_locales in the UI in SeaMonkey is new. Either the language prefs need to be enhanced and moved out of the brower or the new pref should be put somewhere else. No final decision yet. rsx11m will look into it.

Roundtable - Personal Status Updates

IanN generally will handle more complex review requests. frg, rsx11m, stefanh and ewong can also do reviews in their areas of expertise. For bigger changes and branch approvals outside of the build system IanN needs to be involved

Status Updates from developers - what are you working on, what's the progress, any other comments? (feel free to add yourself to the list if your name is missing and you have interesting status).




Waiting for review or feedback:

  • bug 1370314 SeaMonkey 06/2017 installer rollup. Waiting for feedback what should be taken. Probably not much more right now. Took some parts to other bugs.
  • bug 1379369 Port bug 1364016[Have _openURIInNewTab() provide the correct triggeringPrincipal] to SeaMonkey. Need to split it up to make the review easier.
  • bug 1388561 Remove SMILE usage in SeaMonkey. Extension helper for SMILE has been moved to suite so that add-ons can still use it. Part 1 which removes SMILE usage in SeaMonkey itself still needs a review.
  • bug 1388827 Port bug 1107364 to SeaMonkey: move findNodeByDetails to treeView.js and make it use an hash.
  • bug 1394101 Port bug 1374282 [Switch to async/await from Task.jsm/yield] to SeaMonkey.
  • bug 1394106 Toolbar and menubar grippies can not be disabled.

Almost done:

  • bug 1346939 Start 2.49.1 building together with ewong.
  • Putting together a new PC and backing up all data.

Working on:

  • bug 521861 After creating news account through clicking news URL Account Wizard is broken. On the backburner.
  • bug 796994 Use filepicker's open() instead of the obsolete show() in suite.
  • bug 1256724 Update The Data Manager, and the Cookie Viewer so as to treat backspace and delete equivalently on Mac OS X. Took over the bug. Need to figure out some backspace problems in cookieviewer
  • bug 1293618 "Clear History from Private Data" completely broken (only test part left). A little on the backburner.
  • bug 1296850 Show standard loading indicator images in tab when busy or progress attribute are set. On the backburner. Asked someone who wants to help out to look at the icons. Got the icons but have no time at the moment.
  • bug 1326377 Media view 'Save As ...' for embedded(?) picture fails. Need to find out how to get the private window status.
  • bug 1373374 SeaMonkey is incorrectly enclosed in quotation marks in Set Default Programs dialog. Need to redo the patch.
  • bug 1374094 Update debugQA extension for older SeaMonkey versions. Need to move a function from editor into the patch and retest it.
  • Trying to clean up the shipped extensions build process so that they can be included / disabled via Halfway done. No bug yet.

On the list (the actual one in Brain 1.0 is longer and gets longer every day)

  • Followup for bug 888915 Convert SeaMonkey Downloads Manager to Downloads.jsm.


  • No time for Sync at the moment.
  • Putting updated debugQA and DOMi extensions on AMO. Started with debugQA and noticed that it was no longer compatible with older versions. Finalizing the bugs now.

Other things on my mind:

  • --enable-optimize=-O2 should be used for Windows release builds. Linux gcc --enable-optimize optimizes for speed. With VS2015 it optimizes for size. Resulting O2 Windows build feels a lot snappier. Will ask glandium about it.


Rainer Bielefeld



Still planning to look into:

  • bug 493217 add UI pref for media.autoplay.enabled
    • Move related items to a new Appearance → Media prefpane
  • bug 1384172 Expose intl.regional_prefs.use_os_locales in the UI in SeaMonkey
  • bug 1318852 Make labels of cmd_properties action-oriented and context-sensitive, e.g. "Edit Contact", "Edit List", etc.
    • "real" fix

Awaiting new patch for ui-review:



Any other business?

  • There will probably a SeaMonkey e.V general assembly in October.
  • The next meeting will be held in two weeks: Sunday September 17, 2017, 14:00 UTC