CTR 1.5.0

[locale(s)]

• Greek (el) translation updated (thanks to George M.)
• Upper Sorbian (hsb) translation updated (thanks to milupo)
• Lower Sorbian (dsb) translation updated (thanks to milupo)
• Spanish (es) translation updated (thanks to strel)
• Chinese (zh-CN) translation updated (thanks to Cye3s)
• Estonian (et) translation updated (thanks to Maidur)
• Slovenian (sl-SI) translation updated (thanks to Klofutar)
• Polish (pl-PL) translation updated (thanks to Mrere)
• Italian (it) translation updated (thanks to Styb)
• many tweaks for German locale (thanks to Johnni)

[fix(es)]

• Fx48+: Firefox menu > 'web developer'
• keyboard shortcut did not open 'unsorted bookmarks' from popup
• Win7 & HiDPI mode: 'alt. about:preferences appearance' options
• Win8/10 & large icon mode: location bars size
• Win10 & large icon mode & small button mode: identity icon size
• Win10 & Fx45+: large icon mode glitches
• MacOSX: 'general ui > replace generic favicon' options
• MacOSX: menu buttons appearance on add-on bar

[add-on compatibility]

• 'FireIE' add-on: button size in location bar
• 'Auto Form' add-on: icon size on toolbars
• 'Cache status' add-on: moved 'status' to CTRs status area

[new option(s)]

• Toolbars (2) > decrease add-on bar height
• Location bar (2) > hide 'identity box' labels
• Location bar (2) > hide 'i' icon (if possible)
  --> hides 'i' icon, if e.g. padlock icon is visible

[general change(s)]

• tweaks on 'old search' and 'open in new tab' option
• 'Firefox' popup now uses 'Tools' popups 'Web Developer' menu
• CTR prefwindow: tweaks and fixes (thanks to Johnni)
• File > 'Restart': icon is only visible, if 'menu icon' add-ons are used
• minor tweaks and corrections (thanks to maxoku)

CTR 1.4.9

[locale] Slovenian (sl-SI) translation updated (thanks to Klofutar)
[locale] Polish (pl-PL) translation updated (thanks to Mrere)
[locale] Ukrainian (uk) translation updated (thanks to Sacredwheels)
[locale] Estonian (et) translation updated (thanks to Maidur)
[locale] Spanish (es) translation updated (thanks to strel)
[locale] Greek (el) translation updated (thanks to George M.)
[locale] Chinese (zh-CN) translation updated (thanks to Cye3s)
[locale] Italian (it) translation updated (thanks to Styb)
[locale] many tweaks and fixes for German locale (thanks to Johnni)

[fix] Fx45+ & 'inverted icon options': missing icons
[fix] bug with SettingSanity add-on & CTRs "Remember last category" option
[fix] e10s + curved tabs + custom tab colors: tab glitch
[fix] Win8/10: 'small button mode' glitch
[fix] HiDPI: restart button on toolbar glitch
[fix] Fx44+: position of #UITourPopup

[new option > General UI (2)] Fx47+ & Bookmarks star: hide popup (if page is not bookmarked)
[new option > Location Bar (1)] disable 'Unified autocomplete' (about:config preference)
[new option > General UI 2] Fx47+: hide recently added bookmarks
[new option > Tabs 2] tab close: bigger icon (Windows/MacOSX only)
--> may not look nice with all 'close'-icons
[new option > add-on manager] replace button labels with icons
[new option > add-on manager] show buttons only when entry gets 'hovered'
[new option > location bar] Fx45+: replace 'i'-icon with globe icon

[change] tweaks for e10s + CTRs squared tabs
[change] WinXP: minor tweaks on 'prefs in window' option (thanks to maxoku)
[change] minor code tweaks on 'favicon in location bar' option
[change] 'restart [brand name]' > 'restart'
[change] tweaked 'alternative alert box' appearance (thanks to maxoku)
[change] CTRs 'restart' icon
[change] CTR offers an own 'restart'-button
[change] CTRs prefwindow tweaks

CTR 1.4.8

[locale] Greek (el) translation updated (thanks to George M.)
[locale] Polish (pl-PL) translation updated (thanks to Mrere)
[locale] Upper Sorbian (hsb) translation updated (thanks to milupo)
[locale] Lower Sorbian (dsb) translation updated (thanks to milupo)
[locale] French (fr) translation updated (thanks to Zefling)
[locale] Italian (it) translation updated (thanks to Styb)
[locale] Slovenian (sl-SI) translation updated (thanks to Klofutar)
[locale] Russian (ru) translation updated (thanks to Alexei)
[locale] Estonian (et) translation updated (thanks to Maidur)
[locale] Ukrainian (uk) translation updated (thanks to Sacredwheels)
[locale] Chinese (zh-CN) translation updated (thanks to Cye3s)
[locale] Czech (cs) locale updated (thanks to poljos)

[fix] HiDPI: icon+text modes
[fix] text mode + main menu button popup
[fix] Linux/MacOSX + 'version nr. in add-on lists': preferences button label

[new option > CTR] 'Restart Firefox' in appmenu and filemenu

[new option > Tabs (1)] 'Show favicon, if a site does not offer one'
--> none, default/globe, globe_white, dotted, dotted_white, sheet

[new option > General UI (1)] 'Replace generic favicon'
--> default/globe, globe_white, dotted, dotted_white, sheet

[new (sub)option > General UI (1)] 'Unsorted Bookmarks menu'
--> Menu above bookmarks

[new (sub)option > Location bar (1)] 'hide stop & reload' buttons: always show 'go'
--> force 'go' button visibility (if 'hide go' option is disabled)

[new option > Location bar (1)] 'Make dropmarker always visible'

[change] CTR prefwindow: ui tweaks for empty/generic icon settings
[change] CTR prefwindow: moved some preferences between categories
[change] removed previous 'Show favicon, if a site does not offer one' option
[change] removed previous 'Replace generic favicon' option
[change] internal tweaks and corrections

CTR 1.4.7

[locale] Ukrainian (uk) translation updated (thanks to Sacredwheels)
[locale] Greek (el) translation updated (thanks to George M.)
[locale] Upper Sorbian (hsb) translation updated (thanks to milupo)
[locale] Lower Sorbian (dsb) translation updated (thanks to milupo)
[locale] Polish (pl-PL) translation updated (thanks to Mrere)
[locale] Chinese (zh-CN) translation updated (thanks to Cye3s)
[locale] Slovenian (sl-SI) translation updated (thanks to Klofutar)
[locale] Estonian (et) translation updated (thanks to Maidur)
[locale] Polish (pl-PL) translation updated (thanks to Mrere)
[locale] Danish (da-DK) (thanks to scootergrisen)
[locale] Spanish (es) translation updated (thanks to strel)
[locale] French (fr) translation updated (thanks to Zefling)

[fix] 'mode=full': dropmarker for toolbar buttons 'type=menu'
[fix] Fx44+ & 'icons+text' modes: button width
[fix] Fx44+ & 'iconsize=large' attribute on nav-bar: icon size
[fix] 'old search' engine list popup: 'add engine' menuitem appearance
[fix] 'tab loading animation' options
[fix] Win10 & HiDPI + Fx45+ & 'reduce location bars height' option
[fix] Fx45+ & big icon mode: loop button
[fix] Devtools>Style editor: errors about CTRs 'missing' css files
[fix] Win10 & back/forward buttons

[new option > Add-ons Manager] add-on lists: highlight entry on hover
[new option > General UI 1] old search & Windows/OSX: small dropmarker
[new option > General UI 1] old search: open search in new tab (about:config preference)
[new option > General UI 1] old search: middle click to search in foreground tab
--> middle clicks on search engines or suggestions open search in a foreground tab

[change] minor tweaks for 'empty/generic' favicon options
[change] minor tweaks on 'location bars dropmarker'
[change] bookmark popups: label references for 'unsorted bookmarks' menu/item
[change] removed 'open in a new private window' option (Fx29-37)
[change] internal tweaks on some options
[change] preference window: label changes
[change] minor tweaks for 'prefs in window' option
[change] small button mode: font size of toolbar button badges
[change] 'old search' engine list/popup: middle click on engine

• middle click any engine to search without altering default search
  [change] minor improvements for 'text/icon+text' modes
  [change] minor tweaks on 'prefs in window v2' option
  [change] experimental full/text modes: more tweaks
  [change] experimental full/text modes: selectable in customizing mode
  [change] old search: remove hidden search engines from popup
  --> http://i.imgur.com/ht3ZuZG.png
  [change] minor tweaks on 'prefs in window v2' option

CTR 1.4.6.1

[fix] 'old search': tab key navigation through suggestions
[fix] 'old search': temp. workaround for SearchWP add-on
[fix] 'Fx46+' & add-ons managers version number: displayed number in update category

CTR 1.4.6

[locale] Italian (it) translation updated (thanks to gialloporpora)
[locale] Greek (el) translation updated (thanks to George M.)
[locale] Upper Sorbian (hsb) translation updated (thanks to milupo)
[locale] Lower Sorbian (dsb) translation updated (thanks to milupo)
[locale] Chinese (zh-TW) translation updated (thanks to Shyayngs)
[locale] Slovenian (sl-SI) translation updated (thanks to Klofutar)
[locale] Chinese (zh-CN) translation updated (thanks to Cye3s)
[locale] Czech (cs) locale updated (thanks to poljos)
[locale] Ukrainian (uk) translation updated (thanks to Sacredwheels)
[locale] Estonian (et) translation updated (thanks to Maidur)
[locale] Polish (pl-PL) translation updated (thanks to Mrere)
[locale] Russian (ru) translation updated (thanks to Alexei)

[fix] Firefox 46+ (2016-01-07): add-ons managers version number
[fix] Windows 10 & small button view: menu button dropmarker
[fix] preferences page options: glitch with autocomplete box
[fix] Windows & HiDPI & options window v2: checkbox/radio size
[fix] Aero colors option: search box border color
[fix] Aero colors option + menu bar + Windows classic VS
[fix] Fx45+ & Window Classic VS: new tab icon glitch
[fix] Win10 & Fx44+ & small button view: back/forward buttons
[fix] searching with 'additional location bar'
[fix] 'old search' on Linux: dropmarker/magnifying glass icons
[fix] 'old search': drop text into search box to search
[fix] 'remember last selected options category' & default search
[fix] 'remember last selected options category' & 'empty icon sheet'
[fix] Fx43+ & add-ons managers compact view: minor glitch

[new option > General UI 1] old search: clear input after search
[new option > Firefox button] custom color for button on toolbars
[new option > Location bar] hide suggestion popups scrollbars (if possible)
[new option > Location bar] number of results in suggestions popup
[new option > General UI 2] bookmarks menu button: show 'view toolbar' menuitem
[new option > General UI 2] bookmarks menu button: hide 'unsorted bookmarks' menuitem

[change] tweaks for experimental "icons+text" mode [mode="full"]
[change] tweaks for experimental "text" mode [mode="text"]
[change] minor tweaks for 'unsorted bookmarks menu/menuitem' options
[change] preferences in window: checks for max. available space (thanks to maxoku)
[change] 'old search': internal code tweaks and cleanup
[change] 'old search': bigger drop down icon (like on older Fx versions)
[change] 'old search' + HiDPI mode: magnifying glass appearance
[change] tweaks on 'hide warnings' option
[change] CTR prefwindow: renamed 'application' button to 'Firefox' button
[change] CTR prefwindow: visible Firefox button color in category
[change] CTR prefwindow: added new categories to reduce scrolling
[change] CTR prefwindow: moved some settings between categories
[change] CTR prefwindow: height tweaks
[change] CTR prefwindow: minor other tweaks

CTR 1.4.5

[locale] Italian (it) translation updated (thanks to Styb)
[locale] Greek (el) translation updated (thanks to George M.)
[locale] Ukrainian (uk) translation updated (thanks to Sacredwheels)
[locale] Polish (pl-PL) translation updated (thanks to Mrere)
[locale] Spanish (es) translation updated (thanks to strel)
[locale] Estonian (et) translation updated (thanks to Maidur)
[locale] Slovenian (sl-SI) translation updated (thanks to Klofutar)

• Temporarily removed Japanese locale until a new translator is found,
• it was not updated for over a year and missed many new/changed strings.
• Contact me, if you want to update Japanese translation.

[fix] 'old search': using ALT key + Up/down to open menu
[fix] 'old search': switching to search box with TAB key
[fix] Win10 & aero colors option & mov. b/f button: location/search bar border
[fix] WinXP & Fx43+ & small button mode: back-button glitch
[fix] browsers 'middle-click paste' feature on identity box
[fix] Fx45+: favicon settings + complete themes
[fix] Fx45+: inverted icon settings + loop/hello button
[fix] 'top level domain images: classic appearance' option & some websites
[fix] Firefox 45+ & favicon in urlbar: icon size & some complete themes

[new option > General UI 1] 'unsorted bookmarks' submenu in CTRs bookmarks menu
[new option > Location bar (1)] custom min/max width for location/search bar

[change] added 'old search' button to customizing mode
[change] minor tweaks for customizing mode
[change] moved 'old search' checkbox to the top of 'General UI 1'
[change] 'hide tab audio icon' option now also hides the corresponding menu item
[change] removed unneeded code from old search (thanks to Toady)
[change] tweaks for 'remember last selected options category' option
[change] minor tweaks for 'small button mode' on Windows 10
[change] minor location bar tweaks
[change] prefwindow: moved some options into 'Location bar (2)' category
[change] HiDPI: minor tweaks on options window
[change] minor internal tweaks and optimizations

CTR 1.4.4

[locale] Upper Sorbian (hsb) translation updated (thanks to milupo)
[locale] Lower Sorbian (dsb) translation updated (thanks to milupo)
[locale] Estonian (et) translation updated (thanks to Maidur)
[locale] Polish (pl-PL) translation updated (thanks to Mrere)
[locale] Chinese (zh-CN) translation updated (thanks to Cye3s)
[locale] Czech (cs) locale updated (thanks to poljos)
[locale] Ukrainian (uk) translation updated (thanks to Sacredwheels)
[locale] Slovenian (sl-SI) translation updated (thanks to Klofutar)

[fix] option 'top level domain images: classic appearance' on some websites
[fix] old search > 'manage search engines' link/menuitem
[fix] Fx45+: 'click on icon opens page info' option

[new option > Location bar] Windows 10: reduce location/search bar height (experimental)
[new option > Location bar] gray color for unknown identity and chrome pages
[new option > Options page]: remember last selected category
[new option > Options page]: custom window dimensions for prefwindow
[new option > Toolbars 2] Windows 10: suboption for "title/menu/tabs toolbar remove bg color" to adjust caption buttons for some OS themes

[change] Fx44+: replaced deprecated NewTabURL calls
[change] tweaks on 'feed in location bar' option
[change] Win10 & 'appbutton on titlebar' & non-default themes: caption buttons
[change] Fx 44+: tweaks on 'restore empty favicon' option
[change] tweaks on 'favicon in identity box' option
[change] tweaks on 'Fx icon for valid chrome pages' option
[change] tweaks on 'about:preferences' options
[change] padlock icon options: two more icons
[change] tweaks for 'left/right nav-bar space' option
[change] moved all 'about:preferences' options to 'Options page' category

• preview: http://i.imgur.com/R0XwH6X.png

CTR 1.4.3

[locale] Polish (pl-PL) translation updated (thanks to Mrere)
[locale] Greek (el) translation updated (thanks to George M.)
[locale] Russian (ru) translation updated (thanks to Alexei)
[locale] Spanish (es) translation updated (thanks to strel)
[locale] Estonian (et) translation updated (thanks to Maidur)
[locale] Chinese (zh-CN) translation updated (thanks to Cye3s)
[locale] Slovenian (sl-SI) translation updated (thanks to Klofutar)
[locale] Ukrainian (uk) translation updated (thanks to Sacredwheels)
[locale] Czech (cs) locale updated (thanks to poljos)

[fix] Fx45+: 'hide padlock icons' & 'show security icons' options
[fix] Fx42+ & 'tabs not on top': issues with titlebar in some cases
[fix] Fx 45+: favicon in location bar
[fix] Fx 45+: padlock icon settings
[fix] Linux + 'tabs no on top': toolbar glitch
[fix] open 'about:preferences' in a window (v1/v2): sub dialog width
[fix] rare window glitch with TabMixPlus and some configurations
[fix] 'hide tabs bar with one tab' + pinned tabs: print preview
[fix] glitches in 'big icon mode'
[fix] Fx43+ & favicon in location bar: security icon for not secure connections
[fix] Windows & HiDPI: glitch with 'appbutton on titlebar (icon only)' option
[fix] CTR buttons on bookmarks bar & Fx44+: icon size glitch
[fix] Fx 40-42: search button glitch with CTRs simulated prefwindow
[fix] glitch with 'tab close at tab toolbars end' option and TabMixPlus add-on

[new options > General UI (1)] 'about:preferences window appearance v1/v2' for tabs
[new options > General UI (1)] 'about:preferences' in a window for complete themes

• should work with most complete themes
  [new options > General UI (1)] 'about:preferences' in a window v2
• preview: http://i.imgur.com/2UbT7iw.png
  [new option > Location bar] Fx40+: alternative 'reader' icons
  [new option > Location bar] Fx42+: hide gray color when hovering identity box
  [new option > General UI (1)] classic appearance for 'top level domain' images
  [new option > General UI (1)] Firefox 44+: alternative appearance for alert notifications

[change] favion + padlock: switched positions to match upcoming Fx45+ behavior
[change] 'about:preferences' tab and window now remember last used category/tab
[change] "open 'about:preferences' in a window" options now...
... show a centered window on screen
... display an own 'Tools' menu entry on OSX
... show an own preferences toolbar button and hide the default one
[change] moved all 'about:preferences' options into one menulist

• previously used options have to be reset
  [change] tweaks for 'alt. preferences appearance'
  [change] prefwindow tweaks
  [change] improved padlock icons
  [change] option to colorize identity box for verified/secure connections:
• yellow (Fx42+) and red (Fx43+) button colors for unsecure/mixed connections
  [change] Fx42-44 & mov. b/f buttons: page proxy icon spacing
  [change] Windows Classic VS & text mode: button appearance
  [change] Windows Classic VS & small buttons: button appearance
  [change] Windows Classic VS & icons+text v3/4: button appearance
  [change] Windows Classic VS & 'additional toolbar separators' option

Note regarding "about:preferences in a window" options
General > Homepage > 'Use Current page' will always add 'about:preferences' as homepage, because only 'about:preferences' is currently opened in that window.
There is no difference to browsers default preferences ui with only preferences tab open.

CTR 1.4.2

[locale] French (fr) translation updated (thanks to Zefling)
[locale] Italian (it) translation updated (thanks to gialloporpora)
[locale] Greek (el) translation updated (thanks to George M.)
[locale] Chinese (zh-CN) translation updated (thanks to Cye3s)

[fix] 'version number' option + 'release notes'
[fix] minor glitches with 'alt. add-ons manager' option
[fix] Fx44+: big icon mode
[fix] hide some options for complete themes

[change] Fx42+: tweaks for 'version number' option
[change] Fx43+: 'old search' checks 'browser.search.openintab' pref
[change] Fx43+: 'old search' hides location bars 'change search settings' button

https://addons.mozilla.org/addon/classicthemerestorer/versions/1.4.2