1 2<!doctype html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 3<html> 4<head> 5<meta http-equiv="content-type" content="text/html; charset=iso-8859-1"> 6<meta http-equiv="content-style-type" content="text/css"> 7<link rel="stylesheet" type="text/css" href="style.css"> 8<title>ProGuard Downloads</title> 9<script type="text/javascript" language="JavaScript"> 10<!-- 11if (window.self==window.top) 12 window.top.location.replace("index.html#"+window.location.pathname+window.location.hash); 13else { 14 var hash="#"+window.location.pathname.replace(window.top.location.pathname.replace("index.html", ""), ""); 15 if (window.top.location.hash!=hash) 16 window.top.location.hash=hash; 17} 18//--> 19</script> 20</head> 21<body> 22 23<h2>Downloads</h2> 24 25<b>ProGuard</b> is distributed under the terms of the GNU General Public 26License. Please consult the <a href="license.html">license page</a> for more 27details. 28<p> 29<b>ProGuard</b> is written in Java, so it requires a Java Runtime Environment 30 (JRE 1.5 or higher). 31<p> 32You can download the latest release (containing the program jars, the 33documentation that you're reading now, examples, and the source code) from this 34location: 35<p> 36<center><a href="http://sourceforge.net/projects/proguard/files/" 37target="other">Download section at SourceForge</a></center> 38<p> 39 40The <a href="http://sourceforge.net/projects/proguard/files/proguard/" 41target="other">proguard</a> section contains major releases and updates with 42sub-minor version numbers, for applying emergency fixes. The 43<a href="http://sourceforge.net/projects/proguard/files/proguard%20beta/" 44target="other">proguard beta</a> section contains beta releases. These include 45new features and any less urgent bug fixes collected since the previous 46release. 47<p> 48If you're still working with an older version of <b>ProGuard</b>, check out 49the summary of changes below, to see if you're missing something essential. 50Better look at the up-to-date <a 51href="http://proguard.sourceforge.net/downloads.html">on-line version</a> if 52you're reading a local copy of this page. Unless noted otherwise, 53<b>ProGuard</b> remains compatible across versions, so don't be afraid to 54update. 55<p> 56If you're only interested in individual jar files for your build process, you 57can also download them from the Maven Central repository, with GroupId 58<a href="http://search.maven.org/#search|ga|1|g:%22net.sf.proguard%22" 59target="other">net.sf.proguard</a> and ArtifactIds 60<a href="http://search.maven.org/#search|ga|1|a:%22proguard-parent%22" 61target="other">proguard-parent</a>, 62<a href="http://search.maven.org/#search|ga|1|a:%22proguard-base%22" 63target="other">proguard-base</a>, 64<a href="http://search.maven.org/#search|ga|1|a:%22proguard-gui%22" 65target="other">proguard-gui</a>, 66<a href="http://search.maven.org/#search|ga|1|a:%22proguard-anttask%22" 67target="other">proguard-anttask</a>, 68<a href="http://search.maven.org/#search|ga|1|a:%22proguard-gradle%22" 69target="other">proguard-gradle</a>, 70<a href="http://search.maven.org/#search|ga|1|a:%22proguard-wtk-plugin%22" 71target="other">proguard-wtk-plugin</a>, and 72<a href="http://search.maven.org/#search|ga|1|a:%22proguard-retrace%22" 73target="other">proguard-retrace</a>. 74 75<h3><div>Jul 2013</div> Version 4.10</h3> 76<ul> 77<li>Made Gradle task resolve files lazily. 78<li>Enabled as-needed execution in Gradle task. 79<li>Using standard string interpolation for Gradle configuration. 80<li>Reduced log levels for console output in Gradle task. 81<li>Updated documentation and examples. 82</ul> 83 84<h3><div>Mar 2013</div> Version 4.9</h3> 85<ul> 86<li>Added Gradle task. 87<li>Added more peephole optimizations for strings. 88<li>Improved optimization of classes with static initializers. 89<li>Improved processing of finally blocks compiled with JDK 1.4 or older. 90<li>Fixed shrinking of access widening abstract methods, for the Dalvik VM. 91<li>Fixed overly aggressive shrinking of class annotations. 92<li>Fixed processing of unused classes in generic signatures. 93<li>Fixed merging of classes with similar class members. 94<li>Added java system property <code>optimize.conservatively</code> to allow 95 for instructions intentionally throwing <code>NullPointerException</code>, 96 <code>ArrayIndexOutOfBoundsException</code>, or 97 <code>ClassCastException</code> without other useful effects. 98<li>Fixed optimization of unnecessary variable initializations. 99<li>Fixed optimization of code involving NaN. 100<li>Fixed inlining of methods that are supposed to be kept. 101<li>Fixed preverification of artificially convoluted dup constructs. 102<li>Fixed quotes for java commands in .bat scripts. 103<li>Improved handling of non-sequential line number information. 104<li>Now requiring Java 5 or higher for running ProGuard. 105<li>Updated build files. 106<li>Updated documentation and examples. 107</ul> 108 109<h3><div>May 2012</div> Version 4.8</h3> 110<ul> 111<li>Added more peephole optimizations for strings. 112<li>Added support for multiple external configuration files in Ant 113 configurations. 114<li>Added support for Ant properties in external configuration files. 115<li>Fixed parsing of empty file filters on input and output. 116<li>Fixed parsing of '*' wildcard for file filters and name filters. 117<li>Fixed obfuscation of private methods that are overridden in concrete 118 classes with intermediary abstract classes and interfaces (workaround 119 for Oracle bugs #6691741 and #6684387). 120<li>Fixed optimization of complex finally blocks, compiled with JDK 1.4 or 121 earlier. 122<li>Fixed optimizing signatures of methods that are marked as not having 123 side effects. 124<li>Fixed optimization of long local variables possibly causing verification 125 error for register pairs. 126<li>Fixed merging of classes defined inside methods. 127<li>Fixed stack consistency in optimization step. 128<li>No longer removing debug information about unused parameters, for 129 <code>-keepparameternames</code> or <code>-keepattributes</code>. 130<li>Fixed updating manifest files with carriage return characters. 131<li>Now removing unreachable code in preverification step. 132<li>Improved default regular expression for stack traces in ReTrace. 133<li>Updated documentation and examples. 134</ul> 135 136<h3><div>Dec 2011</div> Version 4.7</h3> 137<ul> 138<li>Added support for Java 7. 139<li>Parsing unquoted file names with special characters more leniently. 140<li>Added support for instance methods overriding class methods. 141<li>Added removal of unused parameterless constructors. 142<li>Added removal of empty class initializers. 143<li>Added peephole optimizations for constant strings. 144<li>Avoiding idle optimization passes. 145<li>Improved removal of unused constants after obfuscation. 146<li>Fixed removal of unused classes referenced by annotations. 147<li>Fixed simplifying parameters of constructors that should actually be 148 preserved. 149<li>Fixed simplifying parameters of large numbers of similar constructors. 150<li>Fixed exceptions in optimization of unusual obfuscated code. 151<li>Fixed NullPointerException when specifying <code>-keepclassmembers</code> 152 without specific class or class members. 153<li>Fixed potential problems with mixed-case class name dictionaries when not 154 allowing mixed-case class names. 155<li>Fixed obfuscation of classes with EnclosingMethod attributes that don't 156 specify methods. 157<li>Fixed preverification of returning try blocks with finally blocks, inside 158 try blocks, when compiled with JDK 1.4. 159<li>Fixed sorting of interfaces containing generics. 160<li>Fixed paths in shell scripts. 161<li>Fixed filling in of text fields showing class obfuscation dictionary and 162 package obfuscation dictionary from configuration in GUI. 163<li>Worked around Oracle Java 6/7 bug #7027598 that locked the GUI on Linux. 164<li>Updated documentation and examples. 165</ul> 166 167<h3><div>Feb 2011</div> Version 4.6</h3> 168<ul> 169<li>Added support for synthetic, bridge, and varargs modifiers in configuration. 170<li>Added detection of atomic updater construction with constant arguments. 171<li>Fixed merging of package visible classes. 172<li>Fixed optimization of fields that are only accessed by reflection. 173<li>Fixed optimization of read-only or write-only fields that are volatile. 174<li>Fixed handling of side-effects due to static initializers. 175<li>Fixed handling of bridge flags in obfuscation step. 176<li>Fixed handling of super flag when merging classes. 177<li>Fixed updating of variable tables when optimizing variables. 178<li>Fixed removal of unused parameters with 32 or more parameters. 179<li>Fixed incorrect removal of exception handler for instanceof instruction. 180<li>Fixed inlining of methods with unusual exception handlers. 181<li>Fixed optimization of unusual code causing stack underflow. 182<li>Fixed keeping of constructor parameter names. 183<li>Fixed unwanted wrapping of non-standard META-INF files. 184<li>Fixed filtering of warnings about references to array types. 185<li>Fixed overriding of warning option and note option in Ant task. 186<li>Improved detection of file name extensions for canonical paths. 187<li>Improved printing of seeds specified by <code>-keep</code> options. 188<li>Improved printing of notes about unkept classes. 189<li>Improved checking whether output is up to date. 190<li>Updated documentation and examples. 191</ul> 192 193<h3><div>Jun 2010</div> Version 4.5</h3> 194<ul> 195<li>Added option <code>-keepparameternames</code>. 196<li><code>-dontskipnonpubliclibraryclasses</code> is now set by default. Added 197 <code>-skipnonpubliclibraryclasses</code> as an option. 198<li>Made processing independent of order of input classes to get even more 199 deterministic output. 200<li>Improved constant field propagation. 201<li>Improved renaming of resource files in subdirectories of packages. 202<li>Avoiding making fields in interfaces private. 203<li>Optimizing exception handlers for monitorexit instruction. 204<li>Reduced maximum allowed code length after inlining from 8000 bytes to 205 7000 bytes. 206<li>Fixed missing warnings about missing library classes. 207<li>Fixed shrinking of annotations with arrays of length 0. 208<li>Fixed handling of -0.0 and NaN values when simplifying expressions. 209<li>Fixed copying of exception handlers when simplifying tail recursion calls. 210<li>Fixed optimization of introspected fields. 211<li>Fixed simplification of unnecessary variable initializations. 212<li>Fixed evaluation of subroutines in pre-JDK 1.5 code. 213<li>Fixed updating of access flags in inner classes information. 214<li>Fixed disabling of field privatization. 215<li>Fixed invocations of privatized methods. 216<li>Fixed updating of local variable debug information in optimization step. 217<li>Fixed print settings without file name in GUI. 218<li>Fixed field privatization setting in GUI. 219<li>Fixed saving incorrectly quoted arguments in GUI. 220<li>Fixed handling of regular expressions with only negators. 221<li>Fixed unwanted wrapping of non-standard META-INF files. 222<li>Fixed regular expression pattern for constructors in ReTrace. 223<li>Updated documentation and examples. 224</ul> 225 226<h3><div>Jul 2009</div> Version 4.4</h3> 227<ul> 228<li>Added new peephole optimizations. 229<li>Added option <code>-optimizations</code> for fine-grained configuration of 230 optimizations. 231<li>Added option <code>-adaptclassstrings</code> for adapting string constants 232 that correspond to obfuscated classes. 233<li>Added option <code>-keeppackagenames</code> for keeping specified package 234 names from being obfuscated. 235<li>Added option <code>-keepdirectories</code> for keeping specified directory 236 entries in output jars. 237<li>Extended options <code>-dontnote</code> and <code>-dontwarn</code> for 238 fine-grained configuration of notes and warnings. 239<li>Added option <code>-regex</code> in ReTrace, for specifying alternative 240 regular expressions to parse stack traces. 241<li>Extended renaming of resource files based on obfuscation. 242<li>Improved inlining of constant parameters and removal of unused parameters. 243<li>Avoiding bug in IBM's JVM for JSE, in optimization step. 244<li>Avoiding ArrayIndexOutOfBoundsException in optimization step. 245<li>Fixed configuration with annotations that are not preserved themselves. 246<li>Fixed preverification of invocations of super constructors with arguments 247 containing ternary operators. 248<li>Fixed processing of unreachable exception handlers. 249<li>Fixed merging of exception classes. 250<li>Fixed repeated method inlining. 251<li>Fixed inlining of finally blocks surrounded by large try blocks, compiled 252 with JDK 1.4 or earlier. 253<li>Fixed optimization of complex finally blocks, compiled with JDK 1.4 or 254 earlier. 255<li>Fixed obfuscation of anonymous class names, if <code>EnclosingMethod</code> 256 attributes are being kept. 257<li>Fixed obfuscation of inner class names in generic types. 258<li>Fixed decoding of UTF-8 strings containing special characters. 259<li>Fixed copying of debug information and annotations when merging classes. 260<li>Fixed writing out of unknown attributes. 261<li>Fixed updating manifest files with split lines. 262<li>Updated documentation and examples. 263</ul> 264 265<h3><div>Dec 2008</div> Version 4.3</h3> 266<ul> 267<li>Added class merging. 268<li>Added static single assignment analysis. 269<li>Added support for annotation and enumeration class types in configuration. 270<li>Refined shrinking of fields in case of unusual 271 <code>-keepclassmembers</code> options. 272<li>Added simplification of tail recursion calls. 273<li>Added new peephole optimizations. 274<li>Fixed optimization of unused variable initializations causing negative 275 stack sizes. 276<li>Fixed optimization of unusual initialization code causing 277 NullPointerExceptions. 278<li>Fixed optimization of half-used long and double parameters. 279<li>Fixed processing of complex generics signatures. 280<li>Working around suspected java compiler bug with parameter annotations on 281 constructors of non-static inner classes. 282<li>Fixed obfuscation of classes with inner classes whose names are preserved. 283<li>Fixed access of protected methods in repackaged classes. 284<li>Added options <code>-classobfuscationdictionary</code> and 285 <code>-packageobfuscationdictionary</code>. 286<li>Adapting more types of resource file names based on obfuscation. 287<li>Extended warnings about incorrect dependencies. 288<li>Added start-up scripts and build scripts. 289<li>Updated documentation and examples. 290</ul> 291 292<h3><div>Mar 2008</div> Version 4.2</h3> 293<ul> 294<li>Refined data flow analysis in optimization step. 295<li>Fixed handling of exceptions when inlining subroutines. 296<li>Fixed inlining of incompatible code constructs between different java 297 versions. 298<li>Fixed computation of local variable frame size. 299<li>Fixed optimization of infinite loops. 300<li>Fixed optimization of subroutine invocations. 301<li>Fixed optimization of floating point remainder computations. 302<li>Fixed removal of unused parameters in method descriptors containing arrays 303 of longs or doubles. 304<li>Added undocumented java system properties 305 <code>maximum.inlined.code.length</code> (default is 8) and 306 <code>maximum.resulting.code.length</code> (defaults are 8000 for JSE and 307 2000 for JME), for expert users who read release notes. 308<li>Fixed processing of generic types in Signature attributes in shrinking and 309 optimization steps. 310<li>Fixed processing of inner class names in Signature attributes in obfuscation 311 step. 312<li>Improved adapting resource file names following obfuscated class names. 313<li>Fixed interpretation of package names in GUI. 314<li>Fixed default settings for Xlets in GUI. 315<li>Updated documentation and examples. 316</ul> 317 318<h3><div>Dec 2007</div> Version 4.1</h3> 319<ul> 320<li>Fixed shrinking of default annotation element values. 321<li>Fixed optimization of invocations of methods in same class that are 322 accessed through extensions. 323<li>Fixed optimization of invocations of synchronized methods without other 324 side-effects. 325<li>Fixed optimization of some non-returning subroutines. 326<li>Fixed handling of local variable debug information when inlining methods. 327<li>Avoiding StackOverflowErrors during optimization of complex methods. 328<li>Fixed obfuscation of potentially ambiguous non-primitive constants in 329 interfaces. 330<li>Fixed preverification of some code constructs involving String, Class, and 331 exception types. 332<li>The Ant task now allows empty <code><injars></code> and 333 <code><libraryjars></code> elements. 334<li>Updated documentation and examples. 335</ul> 336 337<h3><div>Sep 2007</div> Version 4.0</h3> 338<ul> 339<li>Added preverifier for Java 6 and Java Micro Edition, with new options 340 <code>-microedition</code> and <code>-dontpreverify</code>. 341<li>Added new option <code>-target</code> to modify java version of processed 342 class files. 343<li>Made <code>-keep</code> options more orthogonal and flexible, with option 344 modifiers <code>allowshrinking</code>, <code>allowoptimization</code>, and 345 <code>allowobfuscation</code>. 346<li>Added new wildcards for class member descriptors: "<code>***</code>", 347 matching any type, and "<code>...</code>", matching any number of 348 arguments. 349<li>Added support for configuration by means of annotations. 350<li>Improved shrinking of unused annotations. 351<li>Added check on modification times of input and output, to avoid unnecessary 352 processing, with new option <code>-forceprocessing</code>. 353<li>Added new options <code>-flattenpackagehierarchy</code> and 354 <code>-repackageclasses</code> (replacing <code>-defaultpackage</code>) to 355 control obfuscation of package names. 356<li>Added new options <code>-adaptresourcefilenames</code> and 357 <code>-adaptresourcefilecontents</code>, with file filters, to update 358 resource files corresponding to obfuscated class names. 359<li>Added detection of dynamically accessed fields and methods. 360<li>Now treating <code>Exceptions</code> attributes as optional. 361<li>Now respecting naming rule for nested class names 362 (<code>EnclosingClass$InnerClass</code>) in obfuscation step, if 363 <code>InnerClasses</code> attributes or <code>EnclosingMethod</code> 364 attributes are being kept. 365<li>Added new inter-procedural optimizations: method inlining and propagation 366 of constant fields, constant arguments, and constant return values. 367<li>Added optimized local variable allocation. 368<li>Added more than 250 new peephole optimizations. 369<li>Improved making classes and class members public or protected. 370<li>Now printing notes on suspiciously unkept classes in parameters of 371 specified methods. 372<li>Now printing notes for class names that don't seem to be fully qualified. 373<li>Added support for uppercase filename extensions. 374<li>Added tool tips to the GUI. 375<li>Rewritten class file I/O code. 376<li>Updated documentation and examples. 377</ul> 378Upgrade considerations: 379<ul> 380 381<li>Since ProGuard now treats the <code>Exceptions</code> attribute as 382 optional, you may have to specify <code>-keepattributes Exceptions</code>, 383 notably when processing code that is to be used as a library. 384 385<li>ProGuard now preverifies code for Java Micro Edition, if you specify the 386 option <code>-microedition</code>. You then no longer need to process the 387 code with an external preverifier. 388 389<li>You should preferably specify <code>-repackageclasses</code> instead of the 390 old option name <code>-defaultpackage</code>. 391</ul> 392 393<h3><div>Dec 2007</div> Version 3.11</h3> 394<ul> 395<li>Fixed optimization of invocations of methods in same class that are 396 accessed through extensions. 397<li>Fixed optimization of invocations of synchronized methods without other 398 side-effects. 399<li>Updated documentation and examples. 400</ul> 401 402<h3><div>Aug 2007</div> Version 3.10</h3> 403<ul> 404<li>Now handling mixed-case input class names when 405 <code>-dontusemixedcaseclassnames</code> is specified. 406<li>Fixed optimization of synchronization on classes, as compiled by Eclipse 407 and Jikes. 408<li>Fixed optimization of switch statements with unreachable cases. 409<li>Avoiding merging subsequent identically named files. 410<li>Updated documentation and examples. 411</ul> 412 413<h3><div>Jun 2007</div> Version 3.9</h3> 414<ul> 415<li>Fixed processing of .class constructs in Java 6. 416<li>Fixed repeated processing of .class constructs. 417<li>Fixed possible division by 0 in optimization step. 418<li>Fixed handling of variable instructions with variable indices larger than 419 255. 420<li>Updated documentation and examples. 421</ul> 422 423<h3><div>Mar 2007</div> Version 3.8</h3> 424<ul> 425<li>Fixed optimization of parameters used as local variables. 426<li>Fixed obfuscation with conflicting class member names. 427<li>Fixed incremental obfuscation with incomplete mapping file for library jars. 428<li>Updated documentation and examples. 429</ul> 430 431<h3><div>Dec 2006</div> Version 3.7</h3> 432<ul> 433<li>Now accepting Java 6 class files. 434<li>Fixed shrinking of partially used annotations. 435<li>Improved incremental obfuscation, with new option 436 <code>-useuniqueclassmembernames</code>. 437<li>Printing more information in case of conflicting configuration and input. 438<li>Fixed optimization of repeated array length instruction. 439<li>Fixed optimization of subsequent try/catch/finally blocks with return 440 statements. 441<li>Fixed optimization of complex stack operations. 442<li>Fixed optimization of simple infinite loops. 443<li>Fixed optimization of expressions with constant doubles. 444<li>Tuned optimization to improve size reduction after preverification. 445<li>Fixed overflows of offsets in long code blocks. 446<li>Now allowing class names containing dashes. 447<li>Updated documentation and examples. 448</ul> 449 450<h3><div>May 2006</div> Version 3.6</h3> 451<ul> 452<li>No longer automatically keeping classes in parameters of specified methods 453 from obfuscation and optimization (introduced in version 3.4). 454<li>Fixed inlining of interfaces that are used in .class constructs. 455<li>Fixed removal of busy-waiting loops reading volatile fields. 456<li>Fixed optimization of comparisons of known integers. 457<li>Fixed optimization of known branches. 458<li>Fixed optimization of method calls on arrays of interfaces. 459<li>Fixed optimization of method calls without side-effects. 460<li>Fixed optimization of nested try/catch/finally blocks with return 461 statements. 462<li>Fixed initialization of library classes that only appear in descriptors. 463<li>Fixed matching of primitive type wildcards in configuration. 464<li>Fixed the boilerplate specification for enumerations in the GUI. 465<li>Updated documentation and examples. 466</ul> 467 468<h3><div>Jan 2006</div> Version 3.5</h3> 469<ul> 470<li>Fixed obfuscation of class members with complex visibility. 471<li>Fixed optimization bugs causing stack verification errors. 472<li>Fixed optimization bug causing overridden methods to be finalized. 473<li>Fixed optimization bug causing abstract method errors for retro-fitted 474 library methods. 475<li>Fixed optimization bug evaluating code with constant long values. 476<li>Fixed bug in updating of optional local variable table attributes and local 477 variable type table attributes after optimization. 478<li>Fixed interpretation of comma-separated class names without wildcards. 479<li>Updated documentation and examples. 480</ul> 481 482<h3><div>Oct 2005</div> Version 3.4</h3> 483<ul> 484<li>Extended optimizations: removing duplicate code within methods. 485<li>Extended regular expressions for class names to comma-separated lists. 486<li>Now automatically keeping classes in descriptors of kept class members. 487<li>Added verbose statistics for optimizations. 488<li>Added boilerplate Number optimizations in GUI. 489<li>Fixed <code>Class.forName</code> detection. 490<li>Fixed incremental obfuscation bug. 491<li>Fixed optimization bug causing stack verification errors. 492<li>Fixed optimization bugs related to removal of unused parameters. 493<li>Fixed exception when optimizing code with many local variables. 494<li>Fixed exception when saving configuration with initializers in GUI. 495<li>Updated documentation and examples. 496</ul> 497 498<h3><div>Jun 2005</div> Version 3.3</h3> 499<ul> 500<li>Extended optimizations: making methods private and static when possible, 501 making classes static when possible, removing unused parameters. 502<li>Made file names relative to the configuration files in which they are 503 specified. Added <code>-basedirectory</code> option. 504<li>Added <code>-whyareyoukeeping</code> option to get details on why given 505 classes and class members are being kept. 506<li>Added warnings for misplaced class files. 507<li>Improved printing of notes for <code>Class.forName</code> constructs. 508<li>Implemented '<code>assumenosideeffects</code>' nested element in Ant task. 509<li>Improved processing of annotations. 510<li>Fixed reading and writing of parameter annotations. 511<li>Fixed various optimization bugs. 512<li>Fixed wildcards not matching '-' character. 513<li>Fixed wildcard bug and checkbox bugs in GUI. 514<li>Setting file chooser defaults in GUI. 515<li>Leaving room for growBox in GUI on Mac OS X. 516<li>Properly closing configuration files. 517<li>Updated documentation and examples. 518</ul> 519 520<h3><div>Dec 2004</div> Version 3.2</h3> 521<ul> 522<li>Fixed JDK5.0 processing bugs. 523<li>Fixed optimization bugs. 524<li>Fixed relative paths in Ant task. 525<li>Improved speed of shrinking step. 526<li>Updated documentation and examples. 527</ul> 528 529<h3><div>Nov 2004</div> Version 3.1</h3> 530<ul> 531<li>Improved obfuscation and shrinking of private class members. 532<li>Added inlining of interfaces with single implementations. 533<li>Added option to specify obfuscation dictionary. 534<li>Added option to read package visible library class members. 535<li>Extended support for JDK5.0 attributes. 536<li>Fixed various optimization bugs. 537<li>Modified Ant task to accept paths instead of filesets. 538<li>Fixed two Ant task bugs. 539<li>Updated documentation and examples. 540</ul> 541 542<h3><div>Aug 2004</div> Version 3.0</h3> 543<ul> 544<li>Added bytecode optimization step, between shrinking step and obfuscation 545 step. 546<li>Generalized filtered recursive reading and writing of jars, wars, ears, 547 zips, and directories. 548<li>Added support for grouping input and output jars, wars, ears, zips, and 549 directories. 550<li>Added support for applying mapping files to library classes. 551<li>Removed <code>-resourcejars</code> option. Resources should now be read 552 using regular <code>-injars</code> options, using filters if necessary. 553<li>Rewrote Ant task. Input and output modification dates are not checked at 554 the moment. Minor changes in XML schema: 555 <ul> 556 <li>Filters now specified using attributes. 557 <li>'<code>outjars</code>' now nested element instead of attribute. 558 <li>'<code>type</code>' attribute of <code><method></code> element no 559 longer defaults to '<code>void</code>'. 560 <li><code><</code> and <code>></code> characters now have to be 561 encoded in embedded configurations. 562 <li><code><proguardconfiguration></code> task no longer accepts 563 attributes. 564 </ul> 565<li>Updated J2ME WTK plugin, now customizable through configuration file. 566<li>Updated GUI. 567<li>Fixed various processing bugs. 568<li>Fixed ReTrace parsing bugs. 569<li>Improved jar compression. 570<li>Updated documentation and examples. 571</ul> 572 573<h3><div>Mar 2004</div> Version 2.1</h3> 574<ul> 575<li>Added support for JDK1.5 classes. 576<li>Added additional wildcard for matching primitive types. 577<li>Added possibility to switch off notes about duplicate class definitions. 578<li>Fixed use of multiple filters on output jars. 579<li>Fixed option to keep all attributes. 580<li>Fixed various Ant task bugs. 581<li>Updated documentation and examples. 582</ul> 583 584<h3><div>Dec 2003</div> Version 2.0</h3> 585<ul> 586<li>Added a graphical user interface for ProGuard and ReTrace. 587<li>Added <code>-applymapping</code> option for incremental obfuscation. 588<li>Added support for filtering input and output files. 589<li>Added support for the J++ <code>SourceDir</code> attribute. 590<li>Improved detection of <code>.class</code> constructs. 591<li>Improved handling of misplaced manifest files. 592<li>Improved implementation of ReTrace. 593<li>Worked around String UTF-8 encoding bug affecting foreign characters. 594<li>Fixed exception when ignoring warnings. 595<li>Fixed various Ant task bugs. 596<li>Updated documentation and examples. 597</ul> 598 599<h3><div>Aug 2003</div> Version 1.7</h3> 600<ul> 601<li>Fixed various Ant task bugs. 602<li>Fixed ClassCastException due to explicitly used abstract classes with 603 implicitly used interfaces targeted at JRE1.2 (the default in JDK1.4). 604<li>Fixed <code>-defaultpackage</code> bug for protected classes and class 605 members. 606<li>Fixed ReTrace bug when retracing without line number tables. 607<li>Worked around zip package problems with duplicate out entries and rogue 608 manifest files. 609<li>Added work-around for handling malformed legacy interface class files. 610<li>Updated documentation and examples. 611</ul> 612 613<h3><div>May 2003</div> Version 1.6</h3> 614<ul> 615<li>Added support for Ant. 616<li>Added support for the J2ME Wireless Toolkit. 617<li>Added support for reading and writing directory hierarchies. 618<li>Added option for specifying resource jars and directories. 619<li>Added support for wildcards in class member specifications. 620<li>Improved handling of the <code>-defaultpackage</code> option. 621<li>Improved stack trace parsing in ReTrace tool. 622<li>Fixed processing of libraries containing public as well as non-public 623 extensions of non-public classes. 624<li>Fixed examples for processing libraries, midlets, and serializable code. 625<li>Updated documentation and examples. 626</ul> 627 628<h3><div>Jan 2003</div> Version 1.5</h3> 629<ul> 630<li>Fixed processing of retrofitted library interfaces. 631<li>Fixed processing of <code>.class</code> constructs in internal classes 632 targeted at JRE1.2 (the default in JDK1.4). 633<li>Fixed <code>-dump</code> option when <code>-outjar</code> option is not 634 present. 635<li>Updated documentation and examples. 636</ul> 637 638<h3><div>Nov 2002</div> Version 1.4</h3> 639<ul> 640<li>Now copying resource files over from the input jars to the output jar. 641<li>Added option to obfuscate using lower-case class names only. 642<li>Added better option for obfuscating native methods. 643<li>Added option not to ignore non-public library classes. 644<li>Added automatic <code>.class</code> detection for classes compiled with 645 Jikes. 646<li>Updated documentation and examples. 647</ul> 648 649<h3><div>Sep 2002</div> Version 1.3</h3> 650<ul> 651<li>Added support for wildcards in class names. 652<li>Added tool to de-obfuscate stack traces. 653<li>Added options to print processing information to files. 654<li>Added option to rename source file attributes. 655<li>Fixed processing of implicitly used interfaces targeted at JRE1.2 (the 656 default in JDK1.4) 657<li>Fixed processing of configurations with negated access modifiers. 658<li>Fixed duplicate class entry bug. 659<li>Updated documentation and examples. 660</ul> 661 662<h3><div>Aug 2002</div> Version 1.2</h3> 663<ul> 664<li>Improved speed. 665<li>Fixed processing of classes targeted at JRE1.2 (the default in JDK1.4) 666 with references to their own subclasses. 667<li>Fixed processing of static initializers in J2ME MIDP applications. 668<li>Fixed processing of retrofitted interfaces (again). 669<li>Added more flexible handling of white space in configuration. 670<li>Updated documentation. 671</ul> 672 673<h3><div>Jul 2002</div> Version 1.1</h3> 674<ul> 675<li>Added automatic detection of <code>Class.forName("MyClass")</code>, 676 <code>MyClass.class</code>, and 677 <code>(MyClass)Class.forName(variable).newInstance()</code> constructs. 678 This greatly simplifies configuration. 679<li>Added options to keep class names and class member names without affecting 680 any shrinking. They are mostly useful for native methods and serializable 681 classes. 682<li>Fixed processing of retrofitted interfaces. 683<li>Added handling of missing/invalid manifest file in input jar. 684<li>Updated documentation and examples. 685</ul> 686 687<h3><div>Jun 2002</div> Version 1.0</h3> 688<ul> 689<li>First public release, based on class parsing code from Mark Welsh's 690 <b>RetroGuard</b>. 691</ul> 692 693<hr /> 694<noscript><div><a target="_top" href="index.html" class="button">Show menu</a></div></noscript> 695<address> 696Copyright © 2002-2013 697<a target="other" href="http://www.lafortune.eu/">Eric Lafortune</a>. 698</address> 699 700</body> 701</html> 702