# New Alpha Release: Tor Browser 13.5a2

**URL:** https://forum.torproject.org/t/new-alpha-release-tor-browser-13-5a2/10392
**Category:** Tor Browser Alpha Feedback
**Tags:** tor-browser
**Created:** [November 28, 2023, 6:49pm UTC](https://forum.torproject.org/t/new-alpha-release-tor-browser-13-5a2/10392 "2023-11-28T18:49:06Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![system](https://forum.torproject.org/uploads/default/original/2X/d/d3424bed34f4ec18b2e99178c2801ba6dfb655d6.png) [@system](https://forum.torproject.org/u/system)
#### Post date: [November 28, 2023, 6:49pm UTC](https://forum.torproject.org/t/new-alpha-release-tor-browser-13-5a2/10392/1 "2023-11-28T18:49:06Z")

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by [richard](https://blog.torproject.org/author/richard) | November 28, 2023

 ![](https://forum.torproject.org/uploads/default/original/2X/d/df8d63cba31bfa26b5e62bcc29ddfc0929a43ca2.png)

Tor Browser 13.5a2 is now available from the [Tor Browser download page](https://www.torproject.org/download/alpha/) and also from our [distribution directory](https://www.torproject.org/dist/torbrowser/13.5a2/).

This release updates Firefox to 115.5.0esr, including bug fixes, stability improvements and important [security updates](https://www.mozilla.org/en-US/security/advisories/mfsa2023-50/). We also backported the Android-specific [security updates](https://www.mozilla.org/en-US/security/advisories/mfsa2023-49/) from Firefox 120.

The full changelog since [Tor Browser 13.5a1](https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/raw/main/projects/browser/Bundle-Data/Docs-TBB/ChangeLog.txt) is:

- All Platforms
  - Updated tor to 0.4.8.9
  - [Bug tor-browser#42153](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42153): Drop dom.enable\_resource\_timing = false preference
  - [Bug tor-browser#42246](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42246): Migrate tor connection stuff from browser to toolkit
  - [Bug tor-browser#42261](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42261): Update the icon of Startpage search engine
  - [Bug tor-browser#42276](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42276): Rebase Browsers Alpha to 115.5.0esr
  - [Bug tor-browser#42277](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42277): Enable storage.sync to fix broken webextensions
  - [Bug tor-browser#42288](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42288): Allow language spoofing in status messages
  - [Bug tor-browser#42302](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42302): The allowed ports string contains a typo

- Windows + macOS + Linux
  - Updated Firefox to 115.5.0esr
  - [Bug tor-browser#42072](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42072): YEC 2023 Takeover for Desktop Stable
  - [Bug tor-browser#42188](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42188): Donations are asked repeatedly when I click New identity button
  - [Bug tor-browser#42194](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42194): Blank Net Error page on name resolution failure

- Linux
  - [Bug tor-browser#17560](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/17560): Downloaded URLs disk leak on Linux
  - [Bug tor-browser-build#41017](https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/41017): Disable Nvidia shader cache

- Android
  - Updated GeckoView to 115.5.0esr
  - [Bug tor-browser#41846](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/41846): firefox-android esr 115 introduced new nimbus use: they need to be disabled
  - [Bug tor-browser#42074](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42074): YEC 2023 Takeover for Android Stable
  - [Bug tor-browser#42258](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42258): Replace the current boring "fiery android" icon we use for dev with the cool nightly icon
  - [Bug tor-browser#42259](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42259): Remove unused firefox branding from Tor Browser for Android
  - [Bug tor-browser#42260](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42260): Add TBB artifacts to .gitignore
  - [Bug tor-browser#42285](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42285): Update the gitignore to use the correct paths for tor stuff
  - [Bug tor-browser#42287](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/42287): Backport security fixes (Android & wontfix) from Firefox 120 to 115.5 - based Tor Browser

- Build System
  - All Platforms
    - Update Go to 1.21.4
    - [Bug tor-browser-build#40884](https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/40884): Script to automate uploading sha256s and signatures to location signing/download-unsigned-sha256sums-gpg-signatures-from-people-tpo expects them to be
    - [Bug tor-browser-build#40970](https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/40970): Missing symlink create-blog-post.torbrowser -\> create-blog-post symlink
    - [Bug tor-browser-build#41006](https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/41006): Fix typo in finished-signing-clean-linux signer
    - [Bug tor-browser-build#41023](https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/41023): Update lead.png symlink and blog post template in tools/signing/create-blog-post
    - [Bug rbm#40063](https://gitlab.torproject.org/tpo/applications/rbm/-/issues/40063): RBM's chroot fails in Fedora
    - [Bug rbm#40064](https://gitlab.torproject.org/tpo/applications/rbm/-/issues/40064): Using exec on project with no git\_url/hg\_url is causing warning

  - macOS
    - [Bug tor-browser-build#41005](https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/41005): Unpack macOS bundle to /var/tmp instead of /tmp in rcodesign-notary-submit step
    - [Bug tor-browser-build#41007](https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/41007): gatekeeper-bundling.sh refers to old .tar.gz archive
    - [Bug tor-browser-build#41014](https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/41014): Update libdmg-hfsplus to drop the OpenSSL patch
    - [Bug tor-browser-build#41020](https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/41020): Opening MacOS dmg file is causing a warning, since 13.0

  - Android
    - [Bug tor-browser-build#41024](https://gitlab.torproject.org/tpo/applications/tor-browser-build/-/issues/41024): Fix android filenames in Release Prep issue templates

* * *
This is a companion discussion topic for the original entry at [https://blog.torproject.org/new-alpha-release-tor-browser-135a2](https://blog.torproject.org/new-alpha-release-tor-browser-135a2)

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<div class="post-metadata">

### Author: ![jay9](https://forum.torproject.org/letter_avatar_proxy/v4/letter/j/e79b87/32.png) [@jay9](https://forum.torproject.org/u/jay9)
#### Post date: [November 28, 2023, 10:56pm UTC](https://forum.torproject.org/t/new-alpha-release-tor-browser-13-5a2/10392/2 "2023-11-28T22:56:16Z")

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> [@system](#):
>
> Downloaded URLs disk leak on Linux

Has this been leaking URLs for eight years on Linux?

I think there is also a separate list of downloaded file names (not URLs) on Linux in Browser/.local/share/recently-used.xbel

This doesn’t seem to fixed in 13.5a2 (or at least not removed by 13.5a2, if they are left over from an earlier version)

Can anyone confirm?

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<div class="post-metadata">

### Author: ![ma1](https://forum.torproject.org/user_avatar/forum.torproject.org/ma1/32/1628_2.png) [@ma1](https://forum.torproject.org/u/ma1)
#### Post date: [November 30, 2023, 9:19am UTC](https://forum.torproject.org/t/new-alpha-release-tor-browser-13-5a2/10392/3 "2023-11-30T09:19:21Z")

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> This doesn’t seem to fixed in 13.5a2 (or at least not removed by 13.5a2, if they are left over from an earlier version)

Thanks for the heads up.  
I’d like to ask you some questions to troubleshoot this: please answer directly on [the gitlab issue](https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/17560) if possible, otherwise the way which works best for you.

1. Is the path of those files consistent with the actual Tor Browser 13.5a2 installation/profile location as seen by navigating to `about:profiles`?
2. If it is, can you still observe those leftover files after exiting and relaunching Tor Browser 13.5a2
3. If you answered yes to both 1 & 2, could you please try to run the following command (single line) from a terminal in the `Browser` directory (the parent of the `.local` subdir) and report its output?  
`share_dir=".local/share"; srm -r "$share_dir" || wipe -r "$share_dir" || find "$share_dir" -type f -exec shred -u {} \; ; rm -rf "$share_dir" ; [-d "$share_dir"] || echo "$share_dir deleted."`

Thank you very much!

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<div class="post-metadata">

### Author: ![jay9](https://forum.torproject.org/letter_avatar_proxy/v4/letter/j/e79b87/32.png) [@jay9](https://forum.torproject.org/u/jay9)
#### Post date: [November 30, 2023, 5:43pm UTC](https://forum.torproject.org/t/new-alpha-release-tor-browser-13-5a2/10392/4 "2023-11-30T17:43:06Z")

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Hi,

I can check those soon, but my comment contains a report of a different issue.

The one fixed in 13.5a2 is a leak of downloaded URLs. That fix appears to work. I am reporting a different issue, a leak of filenames (not URLs, as in the fixed issue). The location on disk of this leak is also different to the fixed issue.

I’m waiting for my account on the gitlab to be activated.
