Here are the gathered rough statistics of branches merged during each Tails releases, and the number of builds that happen daily on Jenkins.

Builds per day

Here are some stats extracted from the jenkins logs. Note that the first and last one are incomplete, due to log rotation. In the covered time, there has been around 6 branches being built daily, and mainly experimental and devel having some activity.

• 2015-02-10: 18
• 2015-02-11: 25
• 2015-02-12: 25
• 2015-02-13: 14
• 2015-02-14: 17
• 2015-02-15: 27
• 2015-02-16: 10
• 2015-02-17: 24
• 2015-02-18: 18
• 2015-02-19: 38
• 2015-02-20: 22
• 2015-02-21: 22
• 2015-02-22: 32
• 2015-02-23: 40

Merged branches per releases

• 0.10.1: 9
• 0.10.2: 5
• 0.11: 40
• 0.12: 28
• 0.12.1: 3
• 0.13: 22
• 0.14: 24
• 0.15: 23
• 0.16: 23
• 0.17: 19
• 0.17.2: 10
• 0.18: 23
• 0.19: 15
• 0.20: 20
• 0.20.1: 11
• 0.21: 33
• 0.22: 17
• 0.22.1: 12
• 0.23: 45
• 1.0: 6
• 1.0.1: 8
• 1.1: 53
• 1.1.1: 18
• 1.2: 35
• 1.2.1: 20
• 1.2.3: 14

That's an average of 20 branches. If we only count the major releases, the average gets a bit higher to 25.

Merged branches details

0.10.1

• bugfix/adblock_2.0.3
• bugfix/mat_0.2.2-2
• bugfix/monkeysphere_was_fixed
• bugfix/offline_security_check
• bugfix/oftc_onion
• bugfix/remote_ssh
• feature/more_resilient_htpdate
• feature/startpage_as_default
• feature/tordate

0.10.2

• bugfix/build-with-iceweasel-10
• bugfix/disable_ssl_observatory
• feature/tordate
• origin/bugfix/noscript_on_local_files
• doc/install_usb_mac

0.11

• bugfix/adblock_2.0.3
• bugfix/adduser-preseeding
• bugfix/build-with-iceweasel-10
• bugfix/debian-602973
• bugfix/disable-laptop-mode-auto-modules
• bugfix/disable_gdomap
• bugfix/dumb_git
• bugfix/ff10-esr
• bugfix/ff11
• bugfix/foxyproxy-vs-ff11
• bugfix/linux-3.2.0-2
• bugfix/mat_0.2.2-2
• bugfix/monkeysphere_was_fixed
• bugfix/offline_security_check
• bugfix/oftc_no_onion
• bugfix/oftc_onion
• bugfix/open-documentation-with-yelp
• bugfix/remote_ssh
• bugfix/time_sync_notification
• bugfix/torify-whois
• bugfix/unmute_alsa_speaker_channel
• bugfix/update-ca-for-security-check
• feature/backported_xorg
• feature/better_duckduckgo
• feature/htpdate_hs_notification
• feature/iceweasel_start
• feature/more_languages
• feature/more_resilient_htpdate
• feature/more_search_engines
• feature/persistence
• feature/replace_tails-wifi_with_laptop-mode-tools
• feature/spice
• feature/startpage_as_default
• feature/tails-greeter
• feature/tordate
• feature/usb_installer
• feature/vboxsf_group
• feature/whisperback
• feature/youtube_html5
• origin/bugfix/noscript_on_local_files
• origin/doc/experimental

0.12

• bugfix/adduser-preseeding
• bugfix/boot-profile_vs_live-rofs
• bugfix/build-without-http_proxy
• bugfix/claws_vs_torsocks
• bugfix/debian-602973
• bugfix/iceweseal-10-sqlite-pinning
• bugfix/no-volumes-on-desktop
• bugfix/open-documentation-with-yelp
• bugfix/remove-undesired-search-plugins
• bugfix/remove_cryptkeeper
• bugfix/update-iceweasel-searchplugins-location
• feature/accessibility
• feature/dedup-usr-share-doc
• feature/i2p-0.9
• feature/install-rfkill
• feature/live-boot-3.x
• feature/mat
• feature/persistence
• feature/tails-greeter
• feature/tails-plymouth-theme
• feature/torsocks
• feature/unsafe-browser
• feature/usb_installer
• feature/vagrant
• feature/virtualbox-4.1.10
• feature/whisperback
• origin/bugfix/writable_boot_media
• origin/feature/custom_boot_menu

0.12.1

• bugfix/boot-profile_vs_live-rofs
• bugfix/iceweseal-10-sqlite-pinning
• feature/mat

0.13

• bugfix/claws-persistent-pop-email
• bugfix/clean_up_resolvconf
• bugfix/l10n_unsafe-browser
• bugfix/longer-whisperback-timeout
• bugfix/old-plymouth
• bugfix/plymouth-squeeze-backport
• bugfix/remove_ttdnsd_from_the_loop
• feature/do-not-build-the-forum
• feature/incremental-upgrades
• feature/live-boot-3.x
• feature/mat
• feature/precompiled-locales
• feature/tails-greeter
• feature/use-upstream-ikiwiki
• feature/wireless-regulation
• origin/bugfix/empty_NoScript_whitelist
• origin/bugfix/fix_slow_offline_documentation
• origin/bugfix/hide_TailsData_volume
• origin/bugfix/writable_boot_media
• origin/feature/firewall_lockdown
• origin/feature/more_whisperback_logs
• origin/feature/whisperback_16

0.14

• bugfix/default_search_engines
• bugfix/longer-whisperback-timeout
• bugfix/make_paths_relative_in_syslinux
• feature/assymetric_gpgApplet
• feature/multikernel
• feature/persistence
• feature/persistent_NM_connections
• feature/separate_Tor_streams
• feature/torbrowser
• feature/unsafe-browser
• feature/usb_installer
• feature/use_ferm
• feature/vagrant
• origin/bugfix/fix_background_readahead
• origin/bugfix/fix_slow_offline_documentation
• origin/bugfix/iceweasel_file_associations
• origin/bugfix/tordate_vs_tor_0.2.3.x
• origin/feature/Tor_0.2.3
• origin/feature/catch_errors_in_hooks
• origin/feature/disable_pc_speaker
• origin/feature/early_skip_unwanted_packages
• origin/feature/japanese_input
• origin/feature/shutdown_cleanup
• origin/feature/whisperback_1.6.1

0.15

• bugfix/i2p_console_bookmark
• bugfix/make_paths_relative_in_syslinux
• bugfix/monkeysphere_post_torbrowser
• bugfix/remove-cookies-exceptions
• feature/OpenPGP-SmartCard
• feature/apt-repository
• feature/dpkg-origin
• feature/nicer-fonts
• feature/obfsproxy
• feature/persistent_bookmarks
• feature/remove-pdnsd
• feature/remove-pdnsd
• feature/torbrowser
• mercedes508/testing
• origin/bugfix/bridge_mode_vs_tor_restarts
• origin/bugfix/gpgApplet_menu_in_bottom_panel
• origin/bugfix/handle_apt_sources_for_rc
• origin/bugfix/no-console-setup-on-X
• origin/bugfix/tordate_vs_tor_0.2.3.x
• origin/feature/hpijs
• origin/feature/korean_input
• origin/feature/obfsproxy
• origin/feature/obfsproxy

0.16

• bugfix/cleanup-apt-pinning
• bugfix/disable-IPv6
• bugfix/scim-in-autostarted-iceweasel
• feature/ekeyd
• feature/hide-iceweasel-modules-bar
• feature/install-tasksel-standard-task
• feature/live-persist_guess_removable
• feature/news-as-homepage
• feature/persistent-directory-in-places
• feature/poedit-1.5
• feature/remove-fake-firegpg
• feature/remove-xul-ext-monkeysphere
• feature/sinhala-font
• mercedes508/testing
• origin/bugfix/bridge_mode_vs_tor_restarts
• origin/bugfix/gpgApplet_menu_in_bottom_panel
• origin/bugfix/handle_apt_sources_for_rc
• origin/bugfix/strict_live-persist_media
• origin/bugfix/tordate_vs_bridge_mode
• origin/feature/better_power_off_button
• origin/feature/just_hide_iceweasel_add-on_bar
• origin/feature/unsafe_browser_name
• doc/accessibility

0.17

• bugfix/disable-flawed-Pidgin-features
• bugfix/do_not_allow_listing_fonts
• feature/adblock-from-backports
• feature/live-persist_guess_removable
• feature/spell-checker
• feature/torbrowser
• mercedes508/testing
• origin/bugfix/disable-iceweasel-extensions-auto-update
• origin/bugfix/fix_default_iceweasel_spelling_language
• origin/bugfix/i2p_hidden_mode
• origin/bugfix/only-one-memlockd
• origin/bugfix/remove_apt_local_cache
• origin/bugfix/shutdown_with_camouflage
• origin/feature/gobi-loader
• origin/feature/install-password-manager
• origin/feature/live-boot-3.x
• origin/feature/newer-barry
• origin/feature/recent-microcode
• origin/feature/regular-gnupg-agent
• doc/administration_password
• doc/fingerprint

0.17.2

• bugfix/udisks-do-not-make-Tails-USB-unbootable
• bugfix/use-more-reliable-keyserver
• doc/test_suite
• feature/no-html5-click-to-play
• origin/bugfix/disable-indymedia-irc-account
• origin/bugfix/workaround-non-installable-xorg-backport
• origin/feature/are_you_using_tor_link
• origin/feature/automated_tests/cucumber
• doc/test_suite
• doc/donate

0.18

• bugfix/disable-flawed-Pidgin-features
• bugfix/fix_iceweasel_prefs_for_0_18
• bugfix/non-obfsproxy_proxy
• bugfix/post-wheezy_pinning
• bugfix/preserve_pot_charset
• bugfix/udisks-do-not-make-Tails-USB-unbootable
• bugfix/use-more-reliable-keyserver
• bugfix/wheezy_was_released
• feature/debian_live_log_in_bugreports
• feature/enable-IPv6
• feature/gnome-screenshot
• feature/install_gnome-accessibility-themes
• feature/jenkins-compatible-build-script
• feature/less_kernel_infoleak
• feature/no-html5-click-to-play
• feature/obfs3
• feature/remember_installed_packages
• feature/torbrowser
• feature/torbutton-1.5.x
• feature/wheezy-security_APT_source
• origin/feature/about_tails
• origin/feature/less_kernel_infoleak
• doc/sort_the_forum

0.19

• bugfix/fix_iceweasel_prefs_for_0_18
• bugfix/gpgapplet_do_not_erase_clipboard
• bugfix/no_passwordless_sudo
• bugfix/wheezy_was_released
• feature/set-wireless-devices-state
• origin/bugfix/buggy_aufs_vs_unsafe-browser_workaround
• origin/bugfix/new_persistence_location
• origin/feature/better-controlled-gnupg-connections
• origin/feature/bilibop
• origin/feature/linux-3.8
• origin/feature/linux-3.9
• origin/feature/live-boot_3.0_final
• origin/feature/newer_virt-what
• origin/feature/remove_gnome_proxy_settings
• doc/close_the_forum

0.20

• bugfix/fr-po-header
• bugfix/no_passwordless_sudo
• feature/install-dasher
• feature/intltoolize
• feature/linux-3.10-1
• feature/truecrypt_deprecation_wrapper
• mercedes508/devel
• origin/bugfix/buggy_aufs_vs_unsafe-browser_workaround
• origin/bugfix/dont-warn-when-leaving-https
• origin/bugfix/localized-iceweasel-search-engine
• origin/bugfix/new_persistence_location
• origin/doc/better-pidgin-and-otr-documentation
• origin/feature/alsa-info-in-bug-reports
• origin/feature/disable_Pidgin_accounts
• origin/feature/jenkins-compatible-build-script
• origin/feature/less-pidgin-code
• origin/feature/remember_installed_packages
• origin/feature/restrict-access-to-ptrace
• doc/circumvention
• doc/fix_signature_links

0.20.1

• bugfix/fix_packages_impossible_to_install
• bugfix/unmount-persistent-volume-on-shutdown
• feature/consistent-peristence-path
• feature/linux-3.10-1
• feature/linux-3.10.11
• feature/tor-0.2.4
• origin/bugfix/additional-software-upgrade-failed-message
• origin/bugfix/i2p-irc-in-pidgin
• origin/feature/More_uniq_built_iso_name_in_jenkins
• origin/feature/tails-bugs
• origin/test/fix-iso-reporting

0.21

• bugfix/browser-resizing
• bugfix/fix_packages_impossible_to_install
• bugfix/unmount-persistent-volume-on-shutdown
• bugfix/world-readable-persistence-state-file
• feature/Debian-proposed-updates
• feature/GnuPG-no-emit-version
• feature/consistent-peristence-path
• feature/keepassx_launcher
• feature/linux-3.10.11
• feature/liveusb_ui_improvement
• feature/persistent_printers
• feature/same-startpage-custom-url-as-tbb
• feature/sdio
• feature/stronger-gnupg-cipher
• feature/tor-0.2.4
• origin/bugfix/additional-software-upgrade-failed-message
• origin/bugfix/i2p-irc-in-pidgin
• origin/bugfix/safer-persistence
• origin/doc/improve_bug_reporting_workflow
• origin/feature/More_uniq_built_iso_name_in_jenkins
• origin/feature/Sign_jenkins_builds_artifacts
• origin/feature/sdio
• origin/feature/simplify_ikiwiki_setup
• security/vidalia_in_its_own_user
• test/fix-detection-of-used-display
• doc/sort_the_forum
• doc/additional_software_and_tor
• doc/using_a_virtual_keyboard
• doc/explain_path_for_claws_mail_persistent
• doc/contribute-categories
• doc/explain_why_Tor_is_slow
• doc/cold-boot-attack
• doc/update-persistence-path

0.22

• bugfix/6468-disable-webrtc
• bugfix/back-to-linux-3.10
• bugfix/browser-resizing
• bugfix/safer-persistence
• bugfix/world-readable-persistence-state-file
• feature/incremental-upgrades
• feature/perl5lib
• origin/bugfix/additional-software-nitpicking
• origin/bugfix/disable-dpms
• origin/bugfix/fix-tag-existence-detection
• origin/bugfix/vidalia_fails_to_start
• origin/feature/ff24
• origin/feature/linux-3.11-2
• origin/feature/sdio
• winterfairy/bugfix/ibus
• winterfairy/feature/import-translations
• doc/contribute-categories

0.22.1

• bugfix/6477-htpdate-user-agent
• bugfix/6536-IE-icon-in-Windows-camouflage-mode
• bugfix/use-our-own-sqlite
• davidiw/bugfix
• feature/dont_autostart_iceweasel
• feature/incremental-upgrades-integration
• feature/linux-3.12
• feature/torbrowser-24.2.0esr-1+tails1
• origin/bugfix/6377-workaround-for-window-size
• origin/bugfix/6478
• origin/bugfix/6612-spanish-homepage
• origin/bugfix/fix-tag-existence-detection

0.23

• bugfix/6390-dont-include-APT-lists-and-cache-in-the-ISO
• bugfix/6477-htpdate-user-agent
• bugfix/6536-IE-icon-in-Windows-camouflage-mode
• bugfix/6592-fix-races-with-check-for-upgrades
• bugfix/back-to-linux-3.10
• bugfix/linux-kbuild-3.12-from-testing
• bugfix/tails-documentation-launcher
• bugfix/unsafe-browser-vs.-FF24
• bugfix/use-our-own-sqlite
• drwhax/pidgin
• feature/6508-incremental-upgrades-phase-four
• feature/6661-pidgin-2.10.9
• feature/6790-remove-cookie-monster
• feature/amd64-kernel
• feature/better-iso-cleanup
• feature/cleanup-ikiwiki-setup
• feature/create-additional-software-config
• feature/disable-mei
• feature/incremental-upgrades
• feature/linux-3.12
• feature/linux-3.12-devel
• feature/monkeysign
• feature/pidgin-2.10
• feature/poedit-from-backports
• feature/spoof-mac
• feature/torbrowser-24.2.0esr-1+tails1
• feature/torbutton-1.6.5.3
• killyourtv/bugfix/new-i2p-site
• mercedes508/testing
• origin/bugfix/6377-workaround-for-window-size
• origin/bugfix/6478
• origin/bugfix/6612-spanish-homepage
• origin/feature/5588-no-autologin-consoles
• origin/feature/bridge-mode
• origin/test/sniffer-vs-mac-spoof
• test/5959-antitest-memory-erasure
• test/dont_autostart_iceweasel
• test/fix-persistence-checks
• test/keep-volumes-tag
• test/rjb-migration
• test/tor-is-ready-notification
• winterfairy/bugfix/allow-ibus-start
• winterfairy/bugfix/torbutton-new-identity
• winterfairy/feature/import-translations-extern

1.0

• doc/7054-explain-why-not-randomising-oui-part-of-mac
• doc/unsafe_browser
• doc/network-manager
• doc/introduction
• doc/bridge-mode-design
• doc/6182-contribute-how-sysadmin

1.0.1

• feature/squeeze-lts-updates
• origin/feature/linux-3.14-in-squeeze
• doc/otr
• doc/stay-tuned
• doc/encrypted-persistence
• doc/why_tor
• doc/mention-Debian-on-the-homepage
• doc/vidalia

1.1

• bugfix/7126-gdm-background
• bugfix/7344-double-click-in-tails-greeter
• bugfix/7345-upgrade-from-iso-from-1.0-to-1.1
• bugfix/7443-persistent-files-permission
• bugfix/i2p_incoming
• doc/wheezy
• feature/6608-OpenPGP-signature-verification-in-Nautilus
• feature/linux-3.13
• feature/linux-3.14
• feature/torbrowser-24.6.0esr-0+tails1
• feature/uefi
• origin/bugfix/7055-drop-default-APT-release
• origin/bugfix/7065-keyboard-localization
• origin/bugfix/7079-shared-mime-info-1.3
• origin/bugfix/7166-vagrant-memory-checks
• origin/bugfix/7175-openjdk-7
• origin/bugfix/7234-zenity-dialog-height
• origin/bugfix/7248-bg-color-vs-display-settings-change
• origin/bugfix/7251-orca
• origin/bugfix/7279-Florence-font
• origin/bugfix/7285-browse-doc-with-iceweasel
• origin/bugfix/7330-disable-gnome-keyring-gpg-functionality
• origin/bugfix/7333-emergency-shutdown-before-login
• origin/bugfix/7336-no-dselect
• origin/bugfix/7337-purge-iproute2
• origin/bugfix/7338-migrate-nm-persistence-setting
• origin/bugfix/7343-static-uids
• origin/bugfix/7473-unsafe-browser-theme
• origin/bugfix/7594-remove-unsafe-browser-bookmarks
• origin/bugfix/7605-fix-emulator-path
• origin/bugfix/7641-iuk-chdir-vs-stricter-home-amnesia-permissions
• origin/bugfix/fix-vagrant-compatibility-issues
• origin/bugfix/fix_virtualbox_dkms_build
• origin/bugfix/looser-memory-requirements-for-upgrades-check
• origin/bugfix/use-Wheezy-repo-for-debian-mozilla
• origin/bugfix/vagrant-ram-bump-for-wheezy
• origin/doc/7216-persistence-backup-permissions
• origin/doc/7280-VirtualBox-vs-syslinux-6
• origin/doc/7590-known-issues
• origin/doc/office
• origin/doc/sensitive_documents
• origin/feature/6342-update-camouflage-for-gnome3
• origin/feature/6763-include-nautilus-gtkhash
• origin/feature/7096-integrate-the-new-logo-in-about-tails
• origin/feature/7425-ship-win32-syslinux
• origin/feature/7479-disable-proxy-protocol-handler
• origin/feature/mat-0.5.2
• origin/feature/tor-launcher-0.2.5.4
• origin/feature/torbrowser-24.5.0esr-1+tails1
• origin/feature/torbutton-1.6.9.0
• seb35/doc
• test/6559-adapt-test-suite-for-Wheezy
• doc/7534-checksum

1.1.1

• bugfix/6372-squashfs-sort-file-update
• bugfix/7060-use-gnome-run-dialog-less
• bugfix/7618-gnome-help
• bugfix/7657-fix-security-check
• feature/linux-3.14-2
• feature/vagrant-wheezy-basebox
• kytv/feature/i2p-bootparam
• kytv/feature/i2p-disable-bob
• origin/bugfix/7636-printers-configuration
• origin/bugfix/7688-no-dhcp-send-hostname
• origin/bugfix/7807-remove-duplicate-openjdk-jre
• origin/doc/i2p
• origin/feature/7705-smaller-squashfs
• origin/test/7712-hostname-leaks
• origin/test/7760-i2p-toggled-via-boot-parameter
• doc/7462-new-isohybrid-options
• doc/tails-support-private
• doc/7370-isohybrid-modifies-iso

1.2

• bugfix/7345-upgrade-from-iso-from-1.0-to-1.1
• bugfix/8038-remove-useless-iceweasel-apt-pinning
• feature/5373-replace-truecrypt
• feature/5648-dont-set-torbutton-environment-globally
• feature/7668-simplify-IPv6-firewall-rules
• feature/7730-remove-expired-pidgin-certs
• feature/7732-i2p-network-manager-hook
• feature/8031-refactor-10-rbb-hook
• feature/8100-linux-3.16.5-1
• feature/linux-3.16-2
• feature/tor-browser-bundle
• killyourtv/feature/7916-i2p_remove_ssl_outproxy
• killyourtv/feature/7952-hide-tbb-health-and-get-addons-in-unsafe-browser
• origin/bugfix/7173-upgrade-syslinux
• origin/bugfix/8035-remove-branding-extension-in-unsafe-browser
• origin/bugfix/8036-workaround-for-localized-searchplugins
• origin/bugfix/8037-install-localized-wikipedia-searchplugins
• origin/bugfix/8057-translatable-tor-browser-desktop-file
• origin/bugfix/8060-fix-default-search-engine
• origin/bugfix/better-error-reporting
• origin/feature/5730-enable-virtualbox-guest-additions
• origin/feature/6579-disable-tcp-timestamps
• origin/feature/7356-visible-otr-status
• origin/feature/7461-persistence.conf-in-whisperback
• origin/feature/7886-linux-3.16
• origin/feature/Debian-proposed-updates
• origin/feature/apparmor
• origin/feature/monkeysign
• origin/feature/tor-0.2.5.x-alpha
• origin/test/7231-uefi-boot
• test/7804-test-unit-assertions
• doc/7369-bootstrapping-process
• doc/dotfiles
• doc/7259-seahorse-nautilus-screenshots
• doc/7747-persistent-volume-damage

1.2.1

• feature/Debian-proposed-updates
• feature/tor-browser-4.0.2
• feature/vagrant-gettext-from-wheezy-backports
• origin/bugfix/7945-directories-in-boot-profile
• origin/bugfix/8139-install-more-loxalized-searchplugins
• origin/bugfix/8153-set-gnome-browser-mime-types
• origin/bugfix/8155-get-isohybrid-back
• origin/bugfix/8158-stacked-rootfs-vs-chroot-browsers
• origin/bugfix/8160-restrict-tor-browser-logging
• origin/bugfix/8186-pidgin-http-links
• origin/bugfix/8189-intel-microcode-v3
• origin/feature/7416-gnupg-socks
• origin/feature/7512-Make-GnuPG-config-closer-to-duraconf-reworked
• origin/feature/7740-remove-truecrypt
• origin/feature/8028-remove-unsafe-browser-test-menu-workaround
• origin/feature/linux-3.16.0-4
• origin/test/8059-more-robust-windows-systray
• origin/test/8140-more-robust-apps-menu
• origin/test/8161-more-robust-pidgin-connected
• doc/8049-update-screenshots

1.2.3

• bugfix/7644-remove-mounted-image-from-vagrant-build-box
• bugfix/8571-fix-mac-spoof-panic-mode
• bugfix/8693-fix-tor-browser-locale-guessing
• feature/Debian-proposed-updates
• matsa/bugfix/8071-Do-not-suspend-to-RAM-when-closing-lid
• matsa/bugfix/8087-gnome-screenshot-save-to-home-folder
• origin/bugfix/8449-iuk-install-robustness
• origin/bugfix/handle-website-CA-change
• origin/test/8359-check-po
• doc/improve-verification-structure
• doc/8480-skip-obsolete
• doc/8241-update-greeter-screenshots
• doc/8388-redmine-git-integration
• doc/8382-meeting-management