* CHANGED: Minimum required PHP version is 5.5, due to a change in the identicon library
* CHANGED: Minimum required browser versions are Firefox 54, Chrome 57, Opera 44, Safari 11, Edge 16, due to use of WebCrypto API, async/await, ES6 & WebAssembly features - all Internet Explorer versions are incompatible
* CHANGED: JSON and encryption formats were changed to replace SJCL library by browser integrated WebCrypto API (#28, #74)
* CHANGED: Replaced rawdeflate.js with zlib.wasm to resolve decompression failures and gain compatibility with standard deflate implementations (#193, #260, #328, #434, #440)
* CHANGED: Increase PBKDF2 iterations to 100k (#350)
* CHANGED: Replaced last use of MD5 with Fowler–Noll–Vo checksum which produces the exact length we need for the paste ID (#49)
* CHANGED: Simplified some PHP code & renamed PrivateBin class into Controller, to make MVC pattern use more obvious (#342)
* CHANGED: Removed option to hide clone button on expiring pastes, since this requires reading the paste for rendering the template, which leaks information on the pastes state
* CHANGED: Refactored JavaScript code, making it modular with private and public functions, making it much easier to maintain (#178)
* FIXED: To counteract regressions introduced by the refactoring, we finally introduced property based unit testing for the JavaScript code, this caught several regressions, but also some very old bugs not found so far (#32)
* CHANGED: Suppressed referrer HTTP header sending when following links in a paste or comment (#96) and added additional HTTP headers for XSS mitigation (#91)
* CHANGED: Updated random_compat and jQuery libraries
* CHANGED: Added SHA512 subresource integrity hashes for all javascript includes to reduce the risk of manipulated scripts and easier detection of such
* ADDED: Translations for German, French and Polish, language selection menu (optional)
* ADDED: File upload and image display support (optional)
* ADDED: Markdown format support
* ADDED: "bootstrap-compact" template that hides some of the options in a drop down menu to ensure the nav bar fitting on one line on smaller screen sizes
* FIXING: Various usability issues with different screen sizes / device types in the "bootstrap" template
* CHANGED: Instead of having different options to enable and preselect certain formats there is now a generic `[formatter_options]` section where formats can be added to the displayed format drop down menu. A `defaultformatter` can be set, it defaults to "plaintext". The `syntaxhighlighting` configuration got deprecated.
*`zerobin.js` got a major refactoring:
* moved from global namespace into anonymous function
* events are no longer set via "onclick" attributes in the templates, but bound by from JS side
* for simpler maintenance the functions were grouped into objects: zerobin (display logic, event handling), filter (compression,
encryption), i18n (translation, counterpart of i18n.php) and helper (stateless utilities)
* CHANGED: "Burn after reading" pastes are now deleted only after the paste was successfully decrypted via callback. This prevents accidental deletion by chatbots following URLs and the like. Usage of a password is suggested to ensure only the desired recipient is able to encrypt it.
* CHANGED: the "opendiscussion" option now only controls if the discussion checkbox is preselected. Use "discussion = false" to disable the discussion feature completely (which also removes the checkbox from the template).
* FIXING: Behaviour of several conflicting configuration options. As a general measure unit tests for 9 of the options and all their possible configurations were added via a unit test generator.
* updated JS libraries: jquery to 1.11.3, sjcl to 1.0.2, base64.js to 2.1.9, deflate to 0.5, inflate to 0.3 and prettify to latest
* generally improved documentation, both inline phpdoc / JSdoc source code documentation, as well as Wiki pages on installation, configuration, development and JSON-API
* **Alpha 0.19 (2013-07-05)**:
* Corrected XSS security flaw which affected IE<10.Otherbrowserswerenotaffected.
* ADDED: Added version to js/css assets URLs in order to prevent some abusive caches to serve an obsolete version of these files when ZeroBin is upgraded.
* "Burn after reading" option has been moved out of Expiration combo to a separate checkbox. Reason is: You can prevent a read-once paste to be available ad vitam eternam on the net.
* CHANGED: Traffic limiter data files moved to data/ (→easier rights management)
* ADDED: "Burn after reading" implemented. Opening the URL will display the paste and immediately destroy it on server.
* **Alpha 0.13 (2012-04-18):**
* FIXED: ''imageantialias()'' call removed because it's not really usefull and can be a problem on most hosts (if GD is not compiled in php).
* FIXED: $error not properly initialized in index.php
* **Alpha 0.12 (2012-04-18):**
* **DISCUSSIONS !** Now you can enable discussions on your pastes. Of course, posted comments and nickname are also encrypted and the server cannot see them.
* Added [[php:vizhash_gd|Vizhash]] as avatars, so you can match posters IP addresses without revealing them. (Same image = same IP). Of course the IP address cannot be deduced from the Vizhash.
* Remaining time before expiration is now displayed.
* IE9 does not seem to correctly support ''pre-wrap'' either. Special handling mode activated for all version of IE<10.(Note:**ALL other browsers**correctlysupportthisfeature.)
* Oh bummer... IE 8 is as shitty as IE6/7: Its does not seem to support ''white-space:pre-wrap'' correctly. I had to activate the special handling mode. I still have to test IE 9.
* **Alpha 0.8 (2012-04-11):**
* Source code not published yet.
* Interface completely redesigned. Icons added.
* Now properly supports IE6/7 (ugly display, but it works. "Clone" button is disabled though.)
* Added one level of depth for storage directories (This is better for higher load servers).
* php version is now checked (min: 5.2.6)
* Better checks on posted json data on server.
* Added "1 year" expiration.
* URLs are now converted to clickable links. This include http, https, ftp and magnet links.
* Clickable links include ''rel="nofollow"'' to discourage SEO.
* On my public service (http://sebsauvage.net/paste/)
* All data will be deleted (you were warned - this is a test service)
* Default paste expiration is now 1 month to prevent clogging-up my host.
