Flashblock Version History

26 versions

Be careful with old versions!

These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.

Version 1.5.17 109.3 KB Works with Firefox 3.5 and later

What's New in 1.5.17:
* [fix] Bug 24896 Allow whitelist for some sites. Patch by Tommy Wu.
* [fix]Re-enable whitelist integration with Adblock Plus and other content blockers.
* [fix] Don't enable controls for HTML5 video/audio since some sites (Youtube) have their own video controls.
* [new] Add option to enable/disable HTML5 video blocking.
* [fix] Bug 25350 Flashblock on Firefox 21 is broken by mozilla Bug 834697 (Enable XBL Scopes).
* Updated translations from Babelzilla.

What's New in 1.5.16:
* [new] Preliminary support for blocking HTML5 Video.
* [fix] Disabled whitelist integration with Adblock Plus and other content blockers since this prevents our whitelist from working on Firefox 13.

Version 1.5.15.1 96.3 KB Works with Firefox 3.0 and later

What's New:
* Updated locales from Babelzilla including: fi-FI, uk-UA, it-IT, de, fr, he-IL, da, ko-KR, ru-RU, zh-TW, ja-JP.
* New locales: hy-AM, th, eo, hsb-DE.
* [fix] no-NB locale should be nb-NO ( Norwegian bokmal).
* [new] Add an option to Sync the whitelist using Weave/Firefox Sync.
* New OS X placeholder images from: Bug 614485.
* [fix] Bug 23456 Flashblock blocks all flash-based gadgets.
* [fix] NS_ERROR_DOM_NOT_FOUND_ERR in flashblockShowFlash().

Version 1.5.15 96.3 KB Works with Firefox 3.0 and later

What's New:
* Updated locales from Babelzilla including: fi-FI, uk-UA, it-IT, de, fr, he-IL, da, ko-KR, ru-RU, zh-TW, ja-JP.
* New locales: hy-AM, th, eo, hsb-DE.
* [fix] no-NB locale should be nb-NO ( Norwegian bokmal).
* [new] Add an option to Sync the whitelist using Weave/Firefox Sync.
* New OS X placeholder images from: Bug 614485.
* [fix] Bug 23456 Flashblock blocks all flash-based gadgets.
* [fix] NS_ERROR_DOM_NOT_FOUND_ERR in flashblockShowFlash().

Version 1.5.15b2 96.3 KB Works with Firefox 2.0 and later

What's New:
# Updated locales from Babelzilla including: fi-FI, uk-UA, it-IT, de, fr, he-IL, da, ko-KR, ru-RU, zh-TW, ja-JP.
# New locales: hy-AM, th, eo, hsb-DE.
# [fix] no-NB locale should be nb-NO ( Norwegian bokmal).
# [new] Add an option to Sync the whitelist using Weave/Firefox Sync.
# New OS X placeholder images from: Bug 614485.
# [fix] Bug 23456 Flashblock blocks all flash-based gadgets.
# [fix] NS_ERROR_DOM_NOT_FOUND_ERR in flashblockShowFlash().

Version 1.5.14.2 82.9 KB Works with Firefox 2.0 and later

2010-10-06: Flashblock 1.5.14.2 released
for Firefox 2.0 to Firefox 4.0b (trunk), Netscape Navigator 9, Flock,
and Intel Midbrowser.
<p>New features and fixes:
  • [fix]

    Bug 18971
    Please integrate nicely with content blockers (Adblock Plus).
    • Fix Firefox 2.0 regression caused by patch in Bug 18971.
    • Fix sIFR breakage caused by patch in Bug 18971.
  • [fix]

    Bug 22683
    "document.createEvent is undefined" error prevents Flashblock
    from working.
  • [fix] typo in install.js (Flashblock 1.3.17a only).
  • [fix] Camino

    Bug 573815
    Flashblock does not display play button on Dailymotion videos.
  • Add <em:unpack>true</em:unpack> to the install.rdf
    to force Firefox4/SeaMonkey 2.1 to unpack the XPI.

Version 1.5.14.1 82.9 KB Works with Firefox 2.0 - 4.0b8pre

What's New:
***Fixed problem with Firefox 2.0***
  • [fix]

    Bug 18971

    Please integrate nicely with content blockers (Adblock Plus).
  • [fix]

    Bug 22683

    "document.createEvent is undefined" error prevents Flashblock
    from working.
  • [fix] typo in install.js (Flashblock 1.3.17a only).
  • [fix] Camino

    Bug 573815

    Flashblock does not display play button on Dailymotion videos.

Version 1.5.14 82.9 KB Works with Firefox 3.0a1 - 4.0b8pre

What's New:
  • [fix]

    Bug 18971

    Please integrate nicely with content blockers (Adblock Plus).
  • [fix]

    Bug 22683

    "document.createEvent is undefined" error prevents Flashblock
    from working.
  • [fix] typo in install.js (Flashblock 1.3.17a only).
  • [fix] Camino

    Bug 573815

    Flashblock does not display play button on Dailymotion videos.

Version 1.5.13 91.1 KB Works with Firefox 1.5 - 3.7a5pre

What's New:
  • [new] Options checkbox to control silverlight blocking (off by default).

  • [new] Dynamically change the toolbar button label depending on block state.

  • [new] es-AR and sr-RS locales from Babelzilla. (translations now provided by Babelzilla)

  • [fix] Bug 22168 "Node was not found" code: "8".

  • [fix] For the sIFR-alternate binding move the position: static style from the css into the XBL. This used to crash Firefox 1.0.7.

  • [new] Desupport Gecko 1.7 browsers (Flashblock 1.3 branch).

Known Issues:
  • Options checkbox to control silverlight blocking is off by default due to Bug 22469 (Silverlight movie not unblocked).

Version 1.3.16 100.4 KB Works with SeaMonkey 1.0 - 2.1a1pre

What's New:
  • [new] Options checkbox to control silverlight blocking (off by default).

  • [new] Dynamically change the toolbar button label depending on block state.

  • [new] es-AR and sr-RS locales from Babelzilla. (translations now provided by Babelzilla)

  • [fix] Bug 22168 "Node was not found" code: "8".

  • [fix] For the sIFR-alternate binding move the position: static style from the css into the XBL. This used to crash Firefox 1.0.7.

  • [new] Desupport Gecko 1.7 browsers (Flashblock 1.3 branch).

Known Issues:
  • Options checkbox to control silverlight blocking is off by default due to Bug 22469 (Silverlight movie not unblocked).

Version 1.5.11.2 73.7 KB Works with Firefox 1.5 - 3.7a3pre

**** fixed more regressions in whitelist regexp processing *****

* [new] Added vi-VN (Vietnamese) locale.
* [new] Added no-NB (Norwegian Bokmål) locale.
* [fix] Bug 16856 Whitelist doesn't allow the addition of subsites. e.g. foo.bar.com/somepage.html.
* [fix] Fixed some height/width and display alignment problems with the placeholder.

Version 1.5.11.1 73.7 KB Works with Firefox 1.5 - 3.6a1pre

**** fixed mistake in whitelist handling that prevents "*." in "*.foo.com" from working *****

* [new] Added vi-VN (Vietnamese) locale.
* [new] Added no-NB (Norwegian Bokmål) locale.
* [fix] Bug 16856 Whitelist doesn't allow the addition of subsites. e.g. foo.bar.com/somepage.html.
* [fix] Fixed some height/width and display alignment problems with the placeholder.

Version 1.5.11 73.7 KB Works with Firefox 1.5 - 3.6a1pre

* [new] Added vi-VN (Vietnamese) locale.
* [new] Added no-NB (Norwegian Bokmål) locale.
* [fix] Bug 16856 Whitelist doesn't allow the addition of subsites. e.g. foo.bar.com/somepage.html.
* [fix] Fixed some height/width and display alignment problems with the placeholder.

Version 1.5.10 70.7 KB Works with Firefox 1.5 - 3.6a1pre

***** [fix] Bug 20747 Capability to suppress context menu items. Regression from workaround for mozilla bugs which prevented Flashblock from showing its context menu items. *****

Fixed in 1.5.9 and 1.3.12:
* [fix] Bug 19372 Allow keyboard users to activate flashblock placeholders.
* [fix] Bug 20572 Options dialog: when pressing "enter" in whitelist 'add' textbox, dialog closes.
* [fix] Mozilla Bug 482433 Sibelius Scorch scores don't display or play if Flashblock is active.
* [fix] Bug 20678 (Flashblock broken on sevenload.com) Force visibility to visible. Also check for flash.style.display:block and use block instead of inline-block in our placeholder.
* [fix] Bug 20678 (Flashblock broken on sevenload.com) Force visibility to visible. Also check for flash.style.display:block and use block instead of inline-block in our placeholder.
* [enh] Bug 20722 Add API to allow other extensions to add sites to our whitelist.
* [fix] Workaround for Mozilla Bug 482941 and Mozilla Bug 422851 which prevented Flashblock from showing its context menu items.

Version 1.5.9 70.7 KB Works with Firefox 1.5 - 3.6a1pre

* [fix] Bug 19372 Allow keyboard users to activate flashblock placeholders.
* [fix] Bug 20572 Options dialog: when pressing "enter" in whitelist 'add' textbox, dialog closes.
* [fix] Mozilla Bug 482433 Sibelius Scorch scores don't display or play if Flashblock is active.
* [fix] Bug 20678 (Flashblock broken on sevenload.com) Force visibility to visible. Also check for flash.style.display:block and use block instead of inline-block in our placeholder.
* [fix] Bug 20678 (Flashblock broken on sevenload.com) Force visibility to visible. Also check for flash.style.display:block and use block instead of inline-block in our placeholder.
* [enh] Bug 20722 Add API to allow other extensions to add sites to our whitelist.
* [fix] Workaround for Mozilla Bug 482941 and Mozilla Bug 422851 which prevented Flashblock from showing its context menu items.

Version 1.5.8 70.7 KB Works with Firefox 1.5 - 3.6a1pre

* [fix] Workaround for Mozilla Bug 467659 (Permission denied ... to get property XPCComponents.utils).
* Rearrange the options dialog and move the whitelist into a separate tab (Part of Bug 20277).
* [fix] Bug 20394 WMP videos will not display (only audio) with Flashblock enabled.
* [fix] Mozilla Bug 475842 Internet Archive Flash videos won't play with Flashblock installed.

Version 1.5.7.1 70.7 KB Works with Firefox 1.5 - 3.6a1pre

***NEW IN 1.5.7.1: ***
* [fix] Workaround for Bug 467659 (Permission denied ... to get property XPCComponents.utils).

New in Flashblock 1.5.7
* [fix] Bug 19435 Flash objects are not blocked on a XML/XSLT page.
* [fix] Mozilla Bug 463839 Flashblock broken on trunk (again).
* [fix] Mozilla Bug 463845 [Security Sensitive]
* [new] Added pt-PT (Portuguese) locale.

Version 1.5.7 70.7 KB Works with Firefox 1.5 - 3.1b1

* [fix] Bug 19435 Flash objects are not blocked on a XML/XSLT page.
* [fix] Mozilla Bug 463839 Flashblock broken on trunk (again).
* [fix] Mozilla Bug 463845 [Security Sensitive]
* [new] Added pt-PT (Portuguese) locale.

Version 1.5.6 69.6 KB Works with Firefox 1.4.1 - 3.1b1

* [new] Added te-IN (Telugu) locale.
* [new] Added ca-ES (Catalan) locale.
* [new] Added is-IS (Icelandic) locale.
* [fixed] Bug 18316 [Regression] Flashblock 1.5.5 disables Microsoft Silverlight within Firefox 2.0.0.11
* [fixed] Bug 18367 [Regression] FlashBlock doesn't show alternate content for sIFR text.
* [fixed] Bug Bug 18415 Unblock fails. See also Mozilla Bug 418489 (Flash-based circular on OfficeDepot.com not displayed after clicking Flashblock placeholder).
* [fixed] Bug Bug 18937 IETab object blocked by Flashblock.
* [fixed] Bug 18965 no overlay image displayed (Workaround for Mozilla Bug 292789 : SCRIPT tags can access chrome).

Version 1.5.5 66.6 KB Works with Firefox 1.4.1 - 3.0pre

New features:

* [new] Add targetApplication for Intel Midbrowser (Mobile Internet Devices)
* [new] Added bg-BG locale.
* [new] Added uk-UA locale.
* [fixed] Bug 14394 FlashBlock breaks page design - placeholder too wide? (Only for Gecko 1.9a trunk builds)
* [fixed] Bug 16872 Copy flash URI feature gives relative uris
* [fixed] Bug 17430 Show version number in the options dialog with fallback to a hardcoded number in version.dtd
* [fixed] Bug 17362 sort whitelist
* [fixed] Bug 18180 Specific page on spiegel-online (http://www.spiegel.de) leads to 100% CPU
* [fixed] Stop DDoSing flash heavy websites.

Version 1.5.4.1 63.5 KB Works with Firefox 1.4.1 - 3.0b2

* [fixed] Stop DDoSing flash heavy websites (t'was an accident 'onest guv').

Version 1.5.4 63.5 KB Works with Firefox 1.5b1 - 3.0a7

New in 1.5.4
* [fixed] Bug 17197 Flash not being unblocked properly on Gran Paradiso.

New in 1.5.3.1
* [fixed] Crashes and frame/iframe regressions in OS2 thanks to Steve Wendt.
* [fixed] Bug 16953 Broken object detection blocks liveconnect (javascript -> Java applet) and silverlight objects from initializing properly.
* [new] Added Thunderbird compatibility (Flashblock 1.3 series only) *** NOT AVAILABLE IN THIS VERSION ****.
* [new] New extension icons by Julien Saurin.

Version 1.5.3.1 63.5 KB Works with Firefox 1.4.1 - 3.0a5

* [fixed] Crashes and frame/iframe regressions in OS2 thanks to Steve Wendt.
* [fixed] Bug 16953 Broken object detection blocks liveconnect (javascript -> Java applet) and silverlight objects from initializing properly.
* [new] Added Thunderbird compatibility (1.3 series only) *** NOT AVAILABLE IN THIS VERSION ****.
* [new] New extension icons by Julien Saurin.

Version 1.5.3 60.4 KB Works with Firefox 1.4.1 - 3.0a4

* [fixed] Bug 12592 Flash runs for a while before placeholder appears.
* [fixed] Bug 16324 Alignment issues: placeholder is to the left when it should be centered with no margins.
* [fixed] Flashblock content menu items should only appear when over a Flashblock placeholder.
* [fixed] Bug 15912 No way to whitelist a site with a port number in the URL (no colons allowed).
* [fixed] Bug 13641 add 'Copy Flash Location' to the context menu.
* [fixed] Bug 15867 Show the URI of the blocked flash in a tooltip - via the title attribute.
* [fixed] Reparent only if a new parent is available.

Detailed history can be found at

Version 1.5.2 56.3 KB Works with Firefox 1.5 - 3.0a1

* [new] Added el-GR locale.
* [fixed] Bug 13860: Find the parent after the timeout, instead of before it.
* [fixed] Bug 13978: RFE: Optionally allow the Flashblock toolbarbutton to refresh the current page when toggling Flashblock on/off.
* [fixed] Bug 14013 memory leakage in Flashblock 1.5.1 .
* [fixed] Bug 14486: redeclaration of const MODE_RDONLY.
* [fixed] Bug 14578: Broken object detection.
* [fixed] Flashblock 1.5.unstable stops working if userContent.css exists.
* [fixed] Bug 14578 When looking for broken objects we should also check the child embed for flash signatures.
* [fixed] Bug 15077: Incorrect size/position of placeholder when the size/position of the flash element is set via css.
* [fixed] Bug 15170 Flashblock fails to block when a page javascript script redefines setTimeout().

Version 1.5.1 49.2 KB Works with Firefox 1.5 - 3.0a1

* [new] Bug 10004: Added "Remove this Flash" option to the context menu.
* [fixed] Added css detection for malformed classid.
* [fixed] Bug 12653: Javascript error: Expected color but found undefined (background property).
* [fixed] Stop "Bad NPobject" error with Flash 8 from allowing Flash to slip through.
* [fixed] Bug 12808: Load user stylesheet even if Flashblock is disabled on startup.
* [fixed] checkmark for context menuitem "Allow Flash..." picking up wrong URL.

Version 1.5 51.2 KB Works with Firefox 1.5 - 1.5.0.*

What's new:
* Much improved Flash blocking
* Major code cleanups
* New locales sv-SE, sk-SK, zh-TW.
* Flashblock toolbar button for easy whitelisting.
* Workaround for the Flashplayer 8 bug in Firefox 1.0.
* Works with Yahoo Maps Beta.
* The "Allow Flash from this site" menu item is now a on/off toggle
* Compatibility with Firefox 1.5, Firefox 1.6a trunk builds, and Flock.