Whats New in SeaMonkey 2.53.21$$$SeaMonkey 2.53.21 contains (among other changes) the following changes relative to SeaMonkey 2.53.20:$$$$$$Unable to load JSON Bookmarks file; Open/Cancel do the same thing bug 1940204.$$$Move replaceVars helper into menu-manager.js for cZ bug 1937379.$$$Remove dumpObject helper from utils.js in cZ bug 1937380.$$$Remove toOpenWindowByType helper from utils.js in cZ bug 1937382.$$$Fix makeLogName helper to not encode twice in prefs.js in cZ bug 1937387.$$$Remove use of escapeFileName helper and tidy up pref_mungeName helper in cZ bug 1937395.$$$Add helper to file-utils.js for ensuring an nsIFile is returned in cZ bug 1937397.$$$Remove unused http.js file from cZ bug 1937890.$$$Remove unused IRC tests from static.js in cZ bug 1937896.$$$Switch from deprecated escape/unescape in cZ bug 1938933.$$$Tidy up use of prefBranch outside of pref-manager in cZ bug 1938935.$$$Make use of pref fallbacks in pref-manager in cZ bug 1938937.$$$Remove unused edit context menu from cZ bug 1939929.$$$Use XPCOMUtils.generateQI in connection-xpcom in cZ bug 1939930.$$$Merge menus.xul; popups.xul and scripts.xul into chatzilla.xul bug 1939958.$$$Make use of toSOutputStream and toSInputStream helpers in DCC code in cZ bug 1939965.$$$Stop hard-coding commandkey for reloadui in cZ bug 1939968.$$$Use suites FillInHTMLTooltip helper instead of having own version in cZ bug 1939969.$$$Split custom-away from other away/back commands in cZ bug 1942655.$$$Remove ChatZilla Homepage link from Help menu and about command in cZ bug 1942916.$$$Re-arrange toolbar menus in cZ bug 1943783.$$$Remove ChatZilla Homepage link from about and prefs dialogs in cZ bug 1943844.$$$Use custom controller for userlist and tidy up some controller use in cZ bug 1945325.$$$Make use of observes for show/hide elements in cZ bug 1945378.$$$Dont dynamically create focus-input key element in cZ bug 1947028.$$$Remove unused toolbar creation code in cZ bug 1947030.$$$Remove unused updateMenus code from cZ bug 1947031.$$$Clean up whitespaces in cZ package manifest bug 1947040.$$$Remove unused uninstallKeys code from cZ bug 1950002.$$$Use node.remove(); especially instead of node.parentNode.removeChild(node) in cZ bug 1951250.$$$Remove __cz_condition from cZ bug 1951253.$$$Remove outputWindowURL pref from cZ bug 1951256.$$$Remove unused JS tests in cZ bug 1951297.$$$Use includes; startsWith and endsWith instead of indexOf and substr in cZ bug 1951302.$$$Use {} and [] instead of new Object() and new Array() in cZ bug 1951303.$$$Fixup function naming for lint in cZ bug 1955141.$$$Fixup method naming for lint in cZ bug 1955767.$$$Remove old Mozilla 1.0 code from updateAppMotif in cZ bug 1955771.$$$Use throw Components.Exception in cZ bug 1955774.$$$Migrate output-window from HTML to XHTML to make localisation more standard in cZ bug 1955825.$$$Merge munger.js into mungers.js in cZ bug 1956373.$$$Remove unused tagName from mungers.js in cZ bug 1956374.$$$Flatten directory structure in cZ bug 1956375.$$$Tidy up about dialog page in cZ bug 1956376.$$$Add helper to commands.js for sending CTCP commands in cZ bug 1956377.$$$Migrate to standard menus for menu toolbar in cZ bug 1957763.$$$Install plugin dialog broken in cZ bug 1961599.$$$cZ change nick menu not working bug 1962112.$$$Away status isnt reflected correctly in all channels in cZ bug 1962234.$$$Fix dark motif userlist in cZ bug 1967072.$$$SeaMonkey Composer adds moz-do-not-send attribute for links and images bug 1827146.$$$Use menu_Toolbars overlay for navigatorOverlay and console bug 1945335.$$$Remove defunct 2.53 prerelease builds from debugQA extension bug 1947043.$$$Handling of MOZ_LANGPACK_CONTRIBUTORS in defines.inc files should be less custom bug 1951101.$$$Control + U shortcut for underlined text is not working bug 1872514.$$$Context menu search (with default search engine) does not work in the content area of a message compose or SM-Composer window bug 1062092.$$$The following bugs were fixed in our branch of the Gecko source code only:$$$$$$on FreeBSD s

Whats New in SeaMonkey 2.53.20$$$SeaMonkey 2.53.20 contains (among other changes) the following changes relative to SeaMonkey 2.53.19:$$$$$$Use Services.focus for bookmarking from mailnews in SeaMonkey bug 1925033.$$$Replace the Bookmark Manager with the Firefox Library in SeaMonkey: Another followup bug bug 1932731.$$$Port bug 1458385 - Update SeaMonkeys confvars.sh bug 1913633.$$$Tidy up channels code in cZ bug 1920565.$$$Sometimes tag data from an IRC server doesnt contain a pair bug 1923211.$$$Fix call to updateUsers in network onAway in cZbug 1923213.$$$Remove unused XTLabelRecord from tree-utils.js in cZbug 1923215.$$$Remove unused code from connection-xpcom.js in cZbug 1923219.$$$Remove unusued code from utils.js in cZbug 1923221.$$$Switch from using arrayContains helper to using JS Array includes method in cZ bug 1923224.$$$Switch from using arrayIndexOf helper to using JS Array includes and indexOf methods in cZ bug 1923225.$$$Switch from using arrayRemoveAt and arrayInsertAt helpers to using JS Array splice and unshift methods in cZbug 1923227.$$$Switch from using stringTrim helper to using JS string trim method in cZ bug 1923229.$$$Inline newObject function in cZ bug 1924338.$$$Remove getWindowByType function from cZ bug 1924586.$$$Inline viewCert function in cZ bug 1924587.$$$Remove getSpecialDirectory function and use Services.dirsvc in cZ bug 1924588.$$$Remove getNSSErrorClass function and tidy up NSS related code in cZ bug 1924589.$$$Tidy message manager code in cZ bug 1924592.$$$Remove getService helper and tidy up code around its callers in cZ bug 1924595.$$$Remove use of NSGetModule in cZ bug 1925871.$$$Tidy up chatzilla-service.js bug 1926406.$$$Use Intl.DateTimeFormat in cZs strftime function bug 1927348.$$$Remove unused code from pref-manager.js in cZ bug 1927370.$$$Use Services.scriptloader in cZ bug 1927374.$$$Use more Services in cZ bug 1927376.$$$Tidy up some Components.* code in static.js in cZ bug 1927377.$$$Switch to using listbox instead of tree for cZ chat window bug 1927582.$$$Away status isnt reflected correctly in channel userlist in cZ bug 1928749.$$$Fix too much recursion and missing variable in cmdSave in cZ bug 1930391.$$$Replace confirm helper with Services.prompt.confirm in cZ bug 1930396.$$$Use Services.prompt in confirmEx; prompt and promptPassword helpers in cZ bug 1930540.$$$Use Services.prompt.alert and remove alert helper in cZ bug 1931705.$$$Simplify getListFIle in cZ bug 1931707.$$$Remove various const from file-utils.js in cZ bug 1931708.$$$Remove unused 2nd argument from mkdir helper in file-utils.js in cZ bug 1931709.$$$Use LocalFile directly rather via helper fopen in cZ bug 1931710.$$$Tidy up picker code in file-utils.js in cZ bug 1931712.$$$Remove unnecessary type attributes in cZ bug 1933043.$$$Clean up Components usage in cZ bug 1933081.$$$Remove unused encodeForXMLAttribute function for cZ utils.js bug 1933083.$$$Move renameProperty helper into lib/irc.js for cZ bug 1933084.$$$Move formatDateOffset helper into handlers.js in cZ bug 1933085.$$$Move objectContains helper into command-manager.js in cZ bug 1933086.$$$Move splitLongWord helper into mungers.js in cZ bug 1933087.$$$Move randomString helper into commands.js in cZ bug 1933089.$$$Move Clone helper into commands.js in cZ bug 1933090.$$$Move equalsObject helper into channels.js in cZ bug 1933092.$$$Move matchEntry helper into static.js in cZ bug 1933093.$$$Move getCommonPfx helper to handlers.js in cZ bug 1933342.$$$Remove some code duplication in getSISize and getSISpeed helpers and improve coding in scaleNumbersBy1024 in cZ bug 1933346.$$$Fix secure IRC protcol handler in cZ bug 1937700.$$$UI: Link for download of Themes leads to Themes for Thunderbird bug 1656564.$$$Add ESR 128 links to debugQA bug 1909855.$$$Port changes needed from |Bug 1476333 - Consolidate the ways that we reference browser.xul across the tree| to SeaMonkey bug 1911841.$$$Switch from boxObject to getBoundingClientRect in utilityOverlay bug 1911844.$$$Align the SeaMonkey switchToTabHavingURI(

Whats New in SeaMonkey 2.53.19$$$SeaMonkey 2.53.19 contains (among other changes) the following changes relative to SeaMonkey 2.53.18.2:$$$$$$Cancel button in SeaMonkey bookmarking star ui not working bug 1872623.$$$Remove OfflineAppCacheHelper.jsm copy from SeaMonkey and use the one in toolkit bug 1896292.$$$Remove obsolete registerFactoryLocation calls from cZ bug 1870930.$$$Remove needless implements=nsIDOMEventListener and QI bug 1611010.$$$Replace use of nsIStandardURL::Init bug 1864355.$$$Switch SeaMonkey website from hg.mozilla.org to heptapod. bug 1870934.$$$Allow view-image to open a data: URI by setting a flag on the loadinfo bug 1877001.$$$Save-link-as feature should use the loading principal and context menu using nsIContentPolicy.TYPE_SAVE_AS_DOWNLOAD bug 1879726.$$$Use punycode in SeaMonkey JS bug 1864287.$$$Font lists in preferences are no longer grouped by font type; port asynchronous handling like Bug 1399206 bug 1437393.$$$SeaMonkey broken tab after undo closed tab with invalid protocol bug 1885748.$$$SeaMonkey session restore is missing the checkboxes in the Classic theme bug 1896174.$$$Implement about:credits on seamonkey-project.org website bug 1898467.$$$The following bugs were fixed in our branch of the Gecko source code only:

Whats New in SeaMonkey 2.53.18.2$$$SeaMonkey 2.53.18.2 contains (among other changes) the following changes relative to SeaMonkey 2.53.18.1:$$$$$$Block set-cookie from multipart/x-mixed-replace with pref bug 1864385.$$$Check if WorkerRunnable::Run runs on top of WorkerThreadPrimaryRunnable::Run in a worker thread bug 1867982.$$$Process pairs in coord list in PolyArea bug 1878211.$$$Cherry-pick update to dav1d bug 1881093.$$$Land NSS NSS_3_90_2_RTM UPGRADE_NSS_RELEASE bug 1880562.$$$Fix DSN for send later bug 815638.$$$Catch webNavigation error during tab restore bug 1885748.$$$SeaMonkey 2.53.18.2 contains (among other changes) the following major changes relative to SeaMonkey 2.49.5:$$$$$$The Bookmarks Manager has switched its name to Library; and now also includes the History list. When History is invoked; the Library will be shown with the History list selected. The extensive modifications were needed because of Mozilla Gecko platform API changes.$$$Download Manager has been migrated to a new API. Although it looks pretty much the same as before; the search option is missing and some other minor details work differently. The previous downloads history is removed during the upgrade.$$$The layout panel was added to the CSS Grid tools.$$$TLS 1.3 is the default SSL version now.$$$Support for all NPAPI plugins like Flash; Java and Silverlight has been removed. For displaying pdf files in the browser you can use pdf.js-seamonkey from Isaac Schemm.$$$SeaMonkey now uses a new api for formatting regional data like time and date. Default is to use the application locale of the current SeaMonkey build. If you use a language pack or a different OS formatting this is usually not desired. You can change the formatting from the application locale to the regional settings locale (OS) in the preferences dialog under Appearance.$$$SeaMonkey 2.53.18.2 uses the same backend as Firefox and contains the relevant Firefox 60.8 security fixes.$$$$$$SeaMonkey 2.53.18.2 shares most parts of the mail and news code with Thunderbird. Please read the Thunderbird 60.8.0 release notes for specific security fixes in this release.$$$$$$Additional important security fixes up to Current Firefox 115.9 and Thunderbird 115.9 ESR plus many enhancements have been backported. We will continue to enhance SeaMonkey security in subsequent 2.53.x beta and release versions as fast as we are able to.$$$$$$SeaMonkey-specific changes$$$SeaMonkey now uses gtk3 on Linux. If you experience a problem because of this please file a bug. Please try another OS theme first. Some of them are buggy and cause problems with SeaMonkey; Thunderbird and Firefox.

Whats New in SeaMonkey 2.53.18.1$$$The following bugs were fixed in our branch of the Gecko source code only:$$$$$$Update the NSS library to the latest esr 115 version for the final 2.53.18.1 release.$$$SeaMonkey 2.53.18.1 contains (among other changes) the following major changes relative to SeaMonkey 2.49.5:$$$$$$The Bookmarks Manager has switched its name to Library; and now also includes the History list. When History is invoked; the Library will be shown with the History list selected. The extensive modifications were needed because of Mozilla Gecko platform API changes.$$$Download Manager has been migrated to a new API. Although it looks pretty much the same as before; the search option is missing and some other minor details work differently. The previous downloads history is removed during the upgrade.$$$The layout panel was added to the CSS Grid tools.$$$TLS 1.3 is the default SSL version now.$$$Support for all NPAPI plugins like Flash; Java and Silverlight has been removed. For displaying pdf files in the browser you can use pdf.js-seamonkey from Isaac Schemm.$$$SeaMonkey now uses a new api for formatting regional data like time and date. Default is to use the application locale of the current SeaMonkey build. If you use a language pack or a different OS formatting this is usually not desired. You can change the formatting from the application locale to the regional settings locale (OS) in the preferences dialog under Appearance.

Whats New in SeaMonkey 2.53.18$$$SeaMonkey 2.53.18 contains (among other changes) the following changes relative to SeaMonkey 2.53.17.1:$$$$$$Update Branding info bug 1841167.$$$Use BugSplat for SeaMonkey crash reporting bug 1835524.$$$Unify notifications and permissions in SeaMonkey bug 1849526.$$$The following bugs were fixed in our branch of the Gecko source code only:$$$$$$Update the NSS and NSPR libraries to the esr 115 versions for the final 2.53.18 release.$$$Allow building with system icu again in the final 2.53.18 release bug 1864745.$$$SeaMonkey 2.53.18 contains (among other changes) the following major changes relative to SeaMonkey 2.49.5:$$$$$$The Bookmarks Manager has switched its name to Library; and now also includes the History list. When History is invoked; the Library will be shown with the History list selected. The extensive modifications were needed because of Mozilla Gecko platform API changes.$$$Download Manager has been migrated to a new API. Although it looks pretty much the same as before; the search option is missing and some other minor details work differently. The previous downloads history is removed during the upgrade.$$$The layout panel was added to the CSS Grid tools.$$$TLS 1.3 is the default SSL version now.$$$Support for all NPAPI plugins like Flash; Java and Silverlight has been removed. For displaying pdf files in the browser you can use pdf.js-seamonkey from Isaac Schemm.$$$SeaMonkey now uses a new api for formatting regional data like time and date. Default is to use the application locale of the current SeaMonkey build. If you use a language pack or a different OS formatting this is usually not desired. You can change the formatting from the application locale to the regional settings locale (OS) in the preferences dialog under Appearance.$$$SeaMonkey 2.53.18 uses the same backend as Firefox and contains the relevant Firefox 60.8 security fixes.$$$$$$SeaMonkey 2.53.18 shares most parts of the mail and news code with Thunderbird. Please read the Thunderbird 60.8.0 release notes for specific security fixes in this release.$$$$$$Additional important security fixes up to Current Firefox 115.5 and Thunderbird 115.5 ESR plus many enhancements have been backported. We will continue to enhance SeaMonkey security in subsequent 2.53.x beta and release versions as fast as we are able to.$$$$$$SeaMonkey-specific changes$$$SeaMonkey now uses gtk3 on Linux. If you experience a problem because of this please file a bug. Please try another OS theme first. Some of them are buggy and cause problems with SeaMonkey; Thunderbird and Firefox.

Whats New in SeaMonkey 2.53.17.1$$$SeaMonkey 2.53.17.1 contains (among other changes) the following changes relative to SeaMonkey 2.53.17:$$$$$$Upstream libwebp security fix bug 1852749.$$$CVE-2023-4863: Heap buffer overflow in libwebp bug 1852649.$$$Fix bad string encoded in ansi. l10n fr problem only bug 1847887.$$$SeaMonkey 2.53.17.1 contains (among other changes) the following major changes relative to SeaMonkey 2.49.5:$$$$$$The Bookmarks Manager has switched its name to Library; and now also includes the History list. When History is invoked; the Library will be shown with the History list selected. The extensive modifications were needed because of Mozilla Gecko platform API changes.$$$Download Manager has been migrated to a new API. Although it looks pretty much the same as before; the search option is missing and some other minor details work differently. The previous downloads history is removed during the upgrade.$$$The layout panel was added to the CSS Grid tools.$$$TLS 1.3 is the default SSL version now.$$$Support for all NPAPI plugins like Flash; Java and Silverlight has been removed. For displaying pdf files in the browser you can use pdf.js-seamonkey from Isaac Schemm.$$$SeaMonkey now uses a new api for formatting regional data like time and date. Default is to use the application locale of the current SeaMonkey build. If you use a language pack or a different OS formatting this is usually not desired. You can change the formatting from the application locale to the regional settings locale (OS) in the preferences dialog under Appearance.$$$SeaMonkey 2.53.17.1 uses the same backend as Firefox and contains the relevant Firefox 60.8 security fixes.$$$$$$SeaMonkey 2.53.17.1 shares most parts of the mail and news code with Thunderbird. Please read the Thunderbird 60.8.0 release notes for specific security fixes in this release.$$$$$$Additional important security fixes up to Current Firefox 115.3 and Thunderbird 115.3 ESR plus many enhancements have been backported. We will continue to enhance SeaMonkey security in subsequent 2.53.x beta and release versions as fast as we are able to.$$$$$$SeaMonkey-specific changes$$$SeaMonkey now uses gtk3 on Linux. If you experience a problem because of this please file a bug. Please try another OS theme first. Some of them are buggy and cause problems with SeaMonkey; Thunderbird and Firefox.$$$

Whats New in SeaMonkey 2.53.17$$$SeaMonkey 2.53.17 contains (among other changes) the following major changes relative to SeaMonkey 2.53.16:$$$$$$Fix macOS Contacts permission request bug 1826719.$$$Remove SeaMonkey 2.57 links from debugQA bug 1829683.$$$Treat opening urls from the library as external bug 1619108.$$$Disable spam warning for autogenerated links in plaintext messages bug 619031.$$$Switch SeaMonkey build files to Python 3 bug 1635849.$$$Remove empty overlays from Composer bug 1828533.$$$Move xpfe autocomplete to comm-central suite bug 1418512.$$$Remove nsIPrefBranch2 and nsIPrefBranchInternal bug 1374847.$$$SeaMonkey 2.53.17 contains (among other changes) the following major changes relative to SeaMonkey 2.49.5:$$$$$$The Bookmarks Manager has switched its name to Library; and now also includes the History list. When History is invoked; the Library will be shown with the History list selected. The extensive modifications were needed because of Mozilla Gecko platform API changes.$$$Download Manager has been migrated to a new API. Although it looks pretty much the same as before; the search option is missing and some other minor details work differently. The previous downloads history is removed during the upgrade.$$$The layout panel was added to the CSS Grid tools.$$$TLS 1.3 is the default SSL version now.$$$Support for all NPAPI plugins like Flash; Java and Silverlight has been removed. For displaying pdf files in the browser you can use pdf.js-seamonkey from Isaac Schemm.$$$SeaMonkey now uses a new api for formatting regional data like time and date. Default is to use the application locale of the current SeaMonkey build. If you use a language pack or a different OS formatting this is usually not desired. You can change the formatting from the application locale to the regional settings locale (OS) in the preferences dialog under Appearance.$$$SeaMonkey 2.53.17 uses the same backend as Firefox and contains the relevant Firefox 60.8 security fixes.$$$$$$SeaMonkey 2.53.17 shares most parts of the mail and news code with Thunderbird. Please read the Thunderbird 60.8.0 release notes for specific security fixes in this release.$$$$$$Additional important security fixes up to Current Firefox 102.11 and Thunderbird 102.11 ESR plus many enhancements have been backported. We will continue to enhance SeaMonkey security in subsequent 2.53.x beta and release versions as fast as we are able to.$$$$$$SeaMonkey-specific changes$$$SeaMonkey now uses gtk3 on Linux. If you experience a problem because of this please file a bug. Please try another OS theme first. Some of them are buggy and cause problems with SeaMonkey; Thunderbird and Firefox.

Whats New in SeaMonkey 2.53.16$$$SeaMonkey 2.53.16 contains (among other changes) the following major changes relative to SeaMonkey 2.53.15:$$$$$$No throbber in plaintext editor bug 85498.$$$Remove unused gridlines class from EdAdvancedEdit bug 1806632.$$$Remove ESR 91 links from debugQA bug 1804534.$$$Rename devtools/shim to devtools/startup bug 1812367.$$$Remove unused seltype=text|cell css bug 1806653.$$$Implement new shared tree styling bug 1807802.$$$Use `win.focus()` in macWindowMenu.js bug 1807817.$$$Remove WCAP provider bug 1579020.$$$Remove ftp/file tree view support bug 1239239.$$$Change calendar list tree to a list bug 1561530.$$$Various other updates to the calendar code.$$$Continue the switch from Python 2 to Python 3 in the build system.$$$Verified compatibility with Rust 1.66.1.

Whats New in SeaMonkey 2.53.15$$$SeaMonkey 2.53.15 contains (among other changes) the following major changes relative to SeaMonkey 2.53.14:$$$$$$Microtasks and promises bug 1193394.$$$Implement queueMicrotask()bug 1480236.$$$Remove old synchronous contentPrefService from the tree bug 886907 and bug 1392929.$$$Remove remaining uses of general.useragent.locale bug 1410736 and bug 1410738.$$$Migrate to intl.locale.requested.locale list from general.useragent.locale bug 1441016.$$$Introduce a pref to store BCP47 locale list bug 1414390; bug 1423532 and bug 1441026.$$$Remove synchronous certificate verification APIs from nsIX509CertDB bug 1453741 and bug 1453778.$$$Taskbar previews favicon appears blank bug 1475524.$$$Call Imagelibs decodeImageAsyncWindows using a callback bug 1790695.$$$Remove PermissionsService from process Windows sandboxing code bug 1788233; bug 1789782 and bug 1794394.$$$Security info dialog doesnt show cert status anymore bug 1293378.$$$Replace nsIPlatfromCharset in mailnews bug 1381762.$$$Replace use of nsMsgI18NFileSystemCharset() with NS_CopyUnicodeToNative/NS_CopyNativeToUnicode() bug 1506422.$$$Cater for Outlooks/Hotmails Deleted folder bug 1320191.$$$Make some filter methods scriptable bug 1497513.$$$Fix crash in nsMsgFilterAfterTheFact::ApplyFilter() caused by async reset of m_curFolder bug 537017.$$$Localize messages from nsIMsgFolder.logRuleHitFail() bug 1352731.$$$Add logging of message filter runs and actions bug 697522.$$$Check that we got a non-null header before running a filter on it (and crashing) bug 1563959.$$$With CONDSTORE; eliminate unneeded flag fetches at startup bug 1428097.$$$Fix so custom tags (keywords) are visible to all users bug 583677.$$$Improve handling of tags on shared folders bug 1596371.$$$Allow setting/resetting junk marking by user for yahoo/aol to stick bug 1260059.$$$Dont check subject if spellchecker is not ready bug 1069787.$$$Grammar issues in mailnews_account_settings.xhtml bug 1793291.$$$Remove use of nsIMemory bug 1792578.$$$Replace obsolete GetStringBundleService call in SeaMonkey bug 1794400.$$$SeaMonkey crashes on macOS Ventura 13.0 bug 1797696.$$$Website Navigation Bar has stopped working bug 1803918.$$$SeaMonkey switch to fullscreen does not work on macOS Ventura 13.0 bug 1804537.$$$Continue the switch from Python 2 to Python 3 in the build system.$$$Added support for clang 15 and macOS SDK 11.3.$$$Verified compatibility with Rust 1.65.$$$SeaMonkey 2.53.15 contains (among other changes) the following major changes relative to SeaMonkey 2.49.5:$$$$$$The Bookmarks Manager has switched its name to Library; and now also includes the History list. When History is invoked; the Library will be shown with the History list selected. The extensive modifications were needed because of Mozilla Gecko platform API changes.$$$Download Manager has been migrated to a new API. Although it looks pretty much the same as before; the search option is missing and some other minor details work differently. The previous downloads history is removed during the upgrade.$$$The layout panel was added to the CSS Grid tools.$$$TLS 1.3 is the default SSL version now.$$$Support for all NPAPI plugins like Flash; Java and Silverlight has been removed. For displaying pdf files in the browser you can use pdf.js-seamonkey from Isaac Schemm.$$$SeaMonkey now uses a new api for formatting regional data like time and date. Default is to use the application locale of the current SeaMonkey build. If you use a language pack or a different OS formatting this is usually not desired. You can change the formatting from the application locale to the regional settings locale (OS) in the preferences dialog under Appearance.$$$SeaMonkey 2.53.15 uses the same backend as Firefox and contains the relevant Firefox 60.8 security fixes.$$$$$$SeaMonkey 2.53.15 shares most parts of the mail and news code with Thunderbird. Please read the Thunderbird 60.8.0 release notes for specific security fixes in this release.$$$$$$Additional important securi

SeaMonkey 2.53.14 contains (among other changes) the following major changes relative to SeaMonkey 2.53.13:$$$$$$Updates to the following DOM HTML element interfaces: Embed; Object; Anchor; Area; Button; Frame; Canvas; IFrame; Link; Image; MenuItem; TextArea; Source; Select; Option; Script and Html. Please test add-ons.$$$Continue the switch from Python 2 to Python 3 in the build system.$$$Add ESR 102 links to debugQA bug 1779028.$$$Remove about plugins from help menu bug 1779031.$$$Remove url whitelist from SeaMonkey bug 1779037.$$$Dead links in cs_nav_prefs_advanced.xhtml [en-US] bug 1783558.$$$Dead links in cs_nav_prefs_advanced.xhtml bug 1786030.$$$Remove obsolete chat services from SeaMonkey address book bug 1779034.$$$Address Book: Get Map button is not shown for home addresses bug 1779319.$$$Added compatibility for rust 1.63

For SeaMonkey 2.53.13; the following extensions are included.$$$$$$ChatZilla$$$DOM Inspector$$$Lightning$$$$$$Whats New in SeaMonkey 2.53.13$$$SeaMonkey 2.53.13 contains (among other changes) the following major changes relative to SeaMonkey 2.53.12:$$$$$$Updates to devtools.$$$Updates to build configuration.$$$Starting the switch from Python 2 to Python 3 in the build system.$$$Removal of array comprehensions; legacy iterators and generators bug 1414340 and bug 1098412.$$$Adding initial optional chaining and Promise.allSettled() support.$$$SeaMonkey 2.53.13 contains (among other changes) the following major changes relative to SeaMonkey 2.49.5:$$$$$$The Bookmarks Manager has switched its name to Library; and now also includes the History list. When History is invoked; the Library will be shown with the History list selected. The extensive modifications were needed because of Mozilla Gecko platform API changes.$$$Download Manager has been migrated to a new API. Although it looks pretty much the same as before; the search option is missing and some other minor details work differently. The previous downloads history is removed during the upgrade.$$$The layout panel was added to the CSS Grid tools.$$$TLS 1.3 is the default SSL version now.$$$Support for all NPAPI plugins like Flash; Java and Silverlight has been removed. For displaying pdf files in the browser you can use pdf.js-seamonkey from Isaac Schemm.$$$SeaMonkey now uses a new api for formatting regional data like time and date. Default is to use the application locale of the current SeaMonkey build. If you use a language pack or a different OS formatting this is usually not desired. You can change the formatting from the application locale to the regional settings locale (OS) in the preferences dialog under Appearance.$$$SeaMonkey 2.53.13 uses the same backend as Firefox and contains the relevant Firefox 60.8 security fixes.$$$$$$SeaMonkey 2.53.13 shares most parts of the mail and news code with Thunderbird. Please read the Thunderbird 60.8.0 release notes for specific security fixes in this release.$$$$$$Additional important security fixes up to Current Firefox 91.11 and Thunderbird 91.11 ESR plus many enhancements have been backported. We will continue to enhance SeaMonkey security in subsequent 2.53.x beta and release versions as fast as we are able to.$$$$$$SeaMonkey-specific changes$$$SeaMonkey now uses gtk3 on Linux. If you experience a problem because of this please file a bug and link it to bug 1367257. Please try another OS theme first. Some of them are buggy and cause problems with SeaMonkey; Thunderbird and Firefox.$$$Downloading$$$The SeaMonkey project provides official versions and language packs of SeaMonkey 2.53.13 for Windows; Linux and macOS in US English and a small variety of other languages. Community volunteers are also contributing builds for other platforms. You can download SeaMonkey 2.53.13 here.$$$System Requirements; Installation and Uninstallation$$$Before installing; make sure your computer meets the system requirements.$$$Please note that the new Windows x64 version will only support Windows 7 x64 and up. You need to uninstall a previous Windows x86 version if you want to use it. Installing the x64 over the old x86 is not supported and does not remove the old version which might cause problems later.$$$SeaMonkey 2.53.13 will no longer offer to migrate your data from SeaMonkey 1.x or Mozilla 1.x at the first start after installation (bug 689437). In order to upgrade from such an old version; install the last SeaMonkey 2.0 release first; do the one-time profile upgrade; uninstall SeaMonkey 2.0 and then install your target release (e.g. this one).$$$If you are on an older release we suggest upgrading to SeaMonkey 2.49.5 first.$$$You can find more details about installation; profile data and uninstallation in our install and uninstall document.