Bump version to 1.0.0.rc3

sferik · sferik · commit 030e084264a4 · 2026-06-18T05:57:53.000+01:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,16 @@
+1.0.0.rc3 (2026-06-18)
+======================
+
+## Breaking Changes
+* Dropped support for Ruby 3.1 and JRuby 9.4. The minimum is now Ruby 3.2 (and JRuby 10, which reports `RUBY_VERSION` 3.4). Ruby 3.1 reached end of life in March 2025, and a recent `i18n` release calls `Fiber[]`, a Ruby 3.2 API, at load time, so suites that load Rails no longer run on 3.1. Raising `required_ruby_version` to `>= 3.2` also excludes JRuby 9.4, which reports `RUBY_VERSION` 3.1.x. See #1171.
+
+## Enhancements
+* Added `SimpleCov.parallel_wait_timeout` (default 60 seconds), which controls how long the process that writes the final report waits for the other parallel-test workers to finish writing their resultsets before it merges. Raise it when one worker runs much heavier test files and routinely finishes well after the others, so its coverage is included in the merge and the minimum and maximum coverage checks run against the full total instead of being skipped against a partial one. See #1171.
+
+## Bugfixes
+* The "SimpleCov dropped N source file(s)" warning is now emitted at most once, from the process that writes the final report, instead of once per parallel worker. It was previously raised every time a result was built, so an eight-worker run produced eight copies. Fork-based runners that do not set `TEST_ENV_NUMBER`, such as Minitest's `parallelize`, match no parallel-test adapter, so SimpleCov now marks forked children (it already hooks `Process._fork`) and treats them as non-reporters when no adapter is active, leaving the process that did the forking to merge every slice and report once. See #1171.
+* Using `[SimpleCov::Formatter::HTMLFormatter, SimpleCov::Formatter::JSONFormatter]` together no longer prints a false "coverage.json was written after this process started" warning. As of 1.0 the HTML formatter writes `coverage.json` itself, so the JSON formatter found a file its own run had just written and mistook it for a concurrent worker about to lose data. The warning is now skipped when the existing file belongs to the same merged result. Because the HTML formatter already writes `coverage.json`, listing `JSONFormatter` alongside it is redundant and can be removed. See #1171.
+
 1.0.0.rc2 (2026-06-10)
 ======================
 
diff --git a/Gemfile.lock b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    simplecov (1.0.0.rc2)
+    simplecov (1.0.0.rc3)
 
 GEM
   remote: https://rubygems.org/
diff --git a/lib/simplecov/version.rb b/lib/simplecov/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module SimpleCov
-  VERSION = "1.0.0.rc2"
+  VERSION = "1.0.0.rc3"
 end
diff --git a/test_projects/faked_project/Gemfile.lock b/test_projects/faked_project/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../..
   specs:
-    simplecov (1.0.0.rc2)
+    simplecov (1.0.0.rc3)
 
 GEM
   remote: https://rubygems.org/
@@ -135,7 +135,7 @@ CHECKSUMS
   rspec-expectations (3.13.5) sha256=33a4d3a1d95060aea4c94e9f237030a8f9eae5615e9bd85718fe3a09e4b58836
   rspec-mocks (3.13.8) sha256=086ad3d3d17533f4237643de0b5c42f04b66348c28bf6b9c2d3f4a3b01af1d47
   rspec-support (3.13.7) sha256=0640e5570872aafefd79867901deeeeb40b0c9875a36b983d85f54fb7381c47c
-  simplecov (1.0.0.rc2)
+  simplecov (1.0.0.rc3)
   sys-uname (1.5.1) sha256=784d7e6491b0393c25cbbe5ac38324ac7be9fda083a6094832648af669386d7b
   test-unit (3.7.8) sha256=689d1ca53f4d46f678b4e5d68d8e4294f87fc5e8b9238cc4de7c5727e8d65943
 
diff --git a/test_projects/monorepo/Gemfile.lock b/test_projects/monorepo/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: /Users/erik/Code/Ruby/simplecov
   specs:
-    simplecov (1.0.0.rc2)
+    simplecov (1.0.0.rc3)
 
 PATH
   remote: base
@@ -51,7 +51,7 @@ CHECKSUMS
   rspec-expectations (3.13.5) sha256=33a4d3a1d95060aea4c94e9f237030a8f9eae5615e9bd85718fe3a09e4b58836
   rspec-mocks (3.13.8) sha256=086ad3d3d17533f4237643de0b5c42f04b66348c28bf6b9c2d3f4a3b01af1d47
   rspec-support (3.13.7) sha256=0640e5570872aafefd79867901deeeeb40b0c9875a36b983d85f54fb7381c47c
-  simplecov (1.0.0.rc2)
+  simplecov (1.0.0.rc3)
 
 BUNDLED WITH
   4.0.9
diff --git a/test_projects/parallel_tests/Gemfile.lock b/test_projects/parallel_tests/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../..
   specs:
-    simplecov (1.0.0.rc2)
+    simplecov (1.0.0.rc3)
 
 GEM
   remote: https://rubygems.org/
@@ -42,7 +42,7 @@ CHECKSUMS
   rspec-expectations (3.13.5) sha256=33a4d3a1d95060aea4c94e9f237030a8f9eae5615e9bd85718fe3a09e4b58836
   rspec-mocks (3.13.8) sha256=086ad3d3d17533f4237643de0b5c42f04b66348c28bf6b9c2d3f4a3b01af1d47
   rspec-support (3.13.7) sha256=0640e5570872aafefd79867901deeeeb40b0c9875a36b983d85f54fb7381c47c
-  simplecov (1.0.0.rc2)
+  simplecov (1.0.0.rc3)
 
 BUNDLED WITH
   4.0.9
diff --git a/test_projects/rails/rspec_rails/Gemfile.lock b/test_projects/rails/rspec_rails/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../../..
   specs:
-    simplecov (1.0.0.rc2)
+    simplecov (1.0.0.rc3)
 
 GEM
   remote: https://rubygems.org/
@@ -352,7 +352,7 @@ CHECKSUMS
   rspec-rails (8.0.4) sha256=06235692fc0892683d3d34977e081db867434b3a24ae0dd0c6f3516bad4e22df
   rspec-support (3.13.7) sha256=0640e5570872aafefd79867901deeeeb40b0c9875a36b983d85f54fb7381c47c
   securerandom (0.4.1) sha256=cc5193d414a4341b6e225f0cb4446aceca8e50d5e1888743fac16987638ea0b1
-  simplecov (1.0.0.rc2)
+  simplecov (1.0.0.rc3)
   spring (4.6.0) sha256=e9e41f9a56fa5f111df7c85110a7d606ca731dc116c906ba395fd74c9fd474e3
   sqlite3 (1.7.3) sha256=fa77f63c709548f46d4e9b6bb45cda52aa3881aa12cc85991132758e8968701c
   sqlite3 (1.7.3-arm64-darwin) sha256=b956160cc882d2568f332f915c9fe27cae9a4521b202d6e7ea540171c88e4600
