# 2.5

12/25/2017



* Bug #8352: URI squeezes a sequence of slashes in merging paths when it shouldn't
* Feature #13743: Support linking of files opened with O_TMPFILE
* Bug #13737: "can't modify frozen String" when installing bundled gems
* Feature #14123: Kernel#pp by default
* Bug #14070: Refining a module dumps core
* Bug #14074: TracePoint#new without a block should not raise ThreadError
* Feature #10169: It might be better to make Mathn class deprecated
* Feature #14124: Show source around binding.irb on irb startup
* Feature #13985: Avoid exception for #dup/#clone on Rational and Complex
* Bug #13808: lib/ipaddr.gemspec includes `git ls-files -z`
* Bug #13619: Unable to configure on Cygwin i686 environment
* Bug #14201: Regression due to over optimization of hash splat
* Feature #13256: Gemify etc
* Feature #11286: [PATCH] Add case equality arity to Enumerable's sequence predicates.
* Feature #13261: Gemify sdbm
* Bug #13655: external encoding named "-" (doc issue or…?)
* Feature #9323: IO#writev
* Feature #13504: Document the Warning module and warn method
* Feature #13403: Gemify fiddle
* Feature #14140: Show exception message in bold and underline when logging to TTY
* Bug #14203: miniruby crashes just after r61309 on mswin CI
* Bug #13832: cfp consistency error occurred in vm_call_cfunc on non-optimized ruby
* Bug #13411: Need to add OPTDIR to rpath earlier in configure
* Bug #12705: yielding args to a lambda uses block/proc rather than lambda/method semantics
* Feature #13685:  Update Unicode data to Unicode Version 10.0.0
* Feature #12973: [RFC] net/http: use require_relative to reduce syscalls
* Bug #12373: Optimize CSV#shift
* Bug #13423: error in etc.gemspec
* Feature #13780: String#each_grapheme
* Feature #13552: [PATCH 0/2] reimplement ConditionVariable, Queue, SizedQueue using ccan/list
* Feature #12753: Useful operator to check bit-flag is true or false
* Bug #14212: Logger uses Kernel.#open to open a file, so it can open something more than files
* Feature #11575: Blocks in ERB don't work as intended? 
* Feature #13334: Removed deprecated mathn extentions.
* Feature #13335: Gemify mathn
* Bug #13105: `String#to_f` and `String#to_r` don't stop at successive underscores
* Bug #13440: Integer.sqrt produces wrong results
* Feature #11624: ERB deserves its own commenting token
* Feature #12906: do/end blocks work with ensure/rescue/else
* Bug #13615: YAML parser stops processing at the first newline when byte order mark is present
* Feature #13224: Add FrozenError as a subclass of RuntimeError
* Feature #13177: Gemify csv
* Feature #13182: Gemify cmath
* Feature #13183: Gemify date
* Feature #13186: Gemify zlib
* Feature #13197: Gemify fileutils
* Feature #8631: Add a new method to ERB to allow assigning the local variables from a hash
* Feature #13206: Gemify fcntl
* Feature #13201: Gemify dbm
* Feature #13173: Gemify webrick
* Feature #13213: Gemify scanf
* Bug #13636: REXML::Document.parse_stream doesn't handle when closing tag not provided
* Bug #14207: Failed to build 2.5.0-rc1 on CircleCI
* Bug #13854: `make golf` broken
* Bug #11464: ERB trimming doesn't trim carriage returns
* Feature #13983: Rational and Complex should be frozen
* Bug #13997: Bundler gem binstub broken
* Bug #5339: ERB generates extra newlines on Windows
* Feature #14104: Remove `trace` instructions
* Bug #13492: Integer#prime? and Prime.each might produce false positives
* Feature #8499: Importing Hash#slice, Hash#slice!, Hash#except, and Hash#except! from ActiveSupport
* Feature #13732: Precise Time.now on Windows
* Bug #14162: Invoking binding.irb destructively shifts ARGV
* Bug #14221: Fix ruby.h behaviour in old compilers: __builtin_choose_expr is different before 4.8.5
* Bug #13973: super_method fails on some UnboundMethods
* Bug #13998: BOM disables "mismatched indentations" warning
* Bug #13895: TestVMDump test fails on High Sierra
* Feature #13866: Copy offloading in IO.copy_stream
* Feature #13686: Add states of scanner to tokens from Ripper.lex and Ripper::Filter#on_*
* Bug #13897: libffi is now not bundled in snapshots
* Bug #14014: NaN.finite?
* Feature #14041: Remove NaCl support
* Bug #14171: can't alloc thread (ThreadError) in DRbServer#main_loop
* Bug #13975: standard library になった bundler で bundle gem を実行できない
* Bug #14023: SyntaxError on array argument and block
* Bug #14057: TracePoint#enable and disable should not yield arguments
* Bug #13769: IPAddr#ipv4_compat incorrect behavior
* Feature #14038: Use rb_execution_context_t instead of rb_thread_t to represent execution context
* Feature #13867: Copy offloading in IO.copy_stream
* Bug #14031: WeakRef example misleading and wrong
* Bug #14068: Unused refinement breaks method search
* Bug #14186: cannot build ruby with tarball on noruby environment
* Bug #14191: Coverage decreased between 2.4.3 and 2.5.0rc1
* Bug #13505: circular require prints the backtrace directly to stderr
* Feature #13483: TracePoint#enable with block for thread-local trace
* Feature #14143: Thread.report_on_exception should be true by default