78:T11e8, ## Description `util::from_hex` sized its output as `digit_count / 2`, so when a value had an odd number of hex digits the leading digit was dropped. Through the config parser (`parse_config_integer` and `list_int_f`), this gives: - `min_threads = 0x8` is parsed as `0` - `keybindings = [0x9, 0xA0]` maps key `0` to `0xA0` instead of key `0x9` - `keybindings = [0x1B, 0x123]` maps `0x1B` to `0x23` instead of `0x123` The fix rounds the byte count up and treats the missing high nibble of the last byte as zero, so an odd-length value reads as if it had a leading `0`. Even-length input and the existing truncation of over-long input are unchanged. The pairing salt is the only other caller and always passes exactly 32 digits. ### Screenshot ### Issues Fixed or Closed #### Roadmap Issues ## Testing Added `UtilityFromHexTests.OddDigitCountReadsTheLeadingDigitAsTheHighNibble` (`"8"`, `"ABC"` in both byte orders, `"1:2:3"` with separators). I built `test_sunshine` on Linux (Ubuntu 26.04, Debug) and ran `--gtest_filter=UtilityFromHexTests.*:ConfigPersistenceTest.*`, together with a local, uncommitted config test that applies `min_threads = 0x8` and `keybindings = [0x9, 0xA0, 0x1B, 0x123]` through `config::apply_config_for_test`: - on master: both tests fail (`from_hex("8")` is `0`, `min_threads` is `0`, there is no binding for `0x9`, and `0x1B` maps to `35`) - with the fix: all 12 selected tests pass I did not run the Windows or macOS builds. ## Type of Change - [ ] **feat**: New feature (non-breaking change which adds functionality) - [x] **fix**: Bug fix (non-breaking change which fixes an issue) - [ ] **docs**: Documentation only changes - [ ] **style**: Changes that do not affect the meaning of the code (white-space, formatting, missing semicolons, etc.) - [ ] **refactor**: Code change that neither fixes a bug nor adds a feature - [ ] **perf**: Code change that improves performance - [ ] **test**: Adding missing tests or correcting existing tests - [ ] **build**: Changes that affect the build system or external dependencies - [ ] **ci**: Changes to CI configuration files and scripts - [ ] **chore**: Other changes that don't modify src or test files - [ ] **revert**: Reverts a previous commit - [ ] **BREAKING CHANGE**: Introduces a breaking change (can be combined with any type above) ## Checklist - [x] Code follows the style guidelines of this project - [x] Code has been self-reviewed - [ ] Code has been commented, particularly in hard-to-understand areas - [x] Code docstring/documentation-blocks for new or existing methods/components have been added or updated - [x] Tests have been added or updated for new or modified functionality, including regression tests for bug fixes ### AI Usage See our [AI usage policy](https://docs.lizardbyte.dev/latest/developers/contributing.html#ai-usage). - [x] AI tools were used while preparing this PR Found by a defect-hunting pipeline I build and run ([Dev-next-gen](https://github.com/Dev-next-gen)), using Claude Code with Anthropic's Claude Opus 5.5. > This PR was generated by Claude Code, Claude Opus 5.5, low thinking level 79:Tc09,## [![Quality Gate Passed](https://cdn.trylle.com/media/images/9c421b538b25f3b09f4b2fe2b0372ec2?key=AcQi5aACo4g%2FYo5l5IjHF3xVl6%2FNs4GJqvnQmK1WYQSdtSdRF26f%2FHvQaxVtYfwO5Zmn8dluvsUfc7rMx%2B%2FgQY2OVykvJejXvd9AGYYByqXGzgFAz8gNAGxDHrnoHKtqik9jZGG8QAdOiWU9mFubBHZXaF9DzWU0BmQyy0MI3IUIg8dPDcYRSwg1fpo1NafBvh5XrY6twS%2B7azc0BlfnOuF%2F1fUWs5kIgW%2Fyqnll0eMqf1%2BqbdHuUxive7nB4cFYbX1HRO8%3D "Quality Gate Passed")](https://sonarcloud.io/dashboard?id=LizardByte_Sunshine&pullRequest=5966) **Quality Gate passed** Issues\ 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![](https://cdn.trylle.com/media/images/1f80bcb90d79b2b11bb739f48a001eba?key=AUC4JpfjThVa%2Bs177EUoO7i8HgbzCRl8Z01fv0xPDZPLrH%2BDQmUptp2xqyXz6Ry5UVz15ge3hfUJfcrNsco49HOerENB6eluOhBp2S6N6eD%2BR8aS31oqgsuMjumS%2FmD8yI8EO6a6pU6kCSlBJSXMdzHQdpi2f29zd6J3eWkDgK27I67k4Q%2FGj8yrJg24QPoLAitYTBYgMAOhTN%2FUCC%2FmZ0m0c0v6pN10QUhZhOgt%2BmAQ "") [0 Security Hotspots](https://sonarcloud.io/project/security_hotspots?id=LizardByte_Sunshine&pullRequest=5966&issueStatuses=OPEN,CONFIRMED&sinceLeakPeriod=true)\ ![](https://cdn.trylle.com/media/images/1f80bcb90d79b2b11bb739f48a001eba?key=AUC4JpfjThVa%2Bs177EUoO7i8HgbzCRl8Z01fv0xPDZPLrH%2BDQmUptp2xqyXz6Ry5UVz15ge3hfUJfcrNsco49HOerENB6eluOhBp2S6N6eD%2BR8aS31oqgsuMjumS%2FmD8yI8EO6a6pU6kCSlBJSXMdzHQdpi2f29zd6J3eWkDgK27I67k4Q%2FGj8yrJg24QPoLAitYTBYgMAOhTN%2FUCC%2FmZ0m0c0v6pN10QUhZhOgt%2BmAQ "") [0.0% Coverage on New Code](https://sonarcloud.io/component_measures?id=LizardByte_Sunshine&pullRequest=5966&metric=new_coverage&view=list)\ ![](https://cdn.trylle.com/media/images/1f80bcb90d79b2b11bb739f48a001eba?key=AUC4JpfjThVa%2Bs177EUoO7i8HgbzCRl8Z01fv0xPDZPLrH%2BDQmUptp2xqyXz6Ry5UVz15ge3hfUJfcrNsco49HOerENB6eluOhBp2S6N6eD%2BR8aS31oqgsuMjumS%2FmD8yI8EO6a6pU6kCSlBJSXMdzHQdpi2f29zd6J3eWkDgK27I67k4Q%2FGj8yrJg24QPoLAitYTBYgMAOhTN%2FUCC%2FmZ0m0c0v6pN10QUhZhOgt%2BmAQ "") [0.0% Duplication on New Code](https://sonarcloud.io/component_measures?id=LizardByte_Sunshine&pullRequest=5966&metric=new_duplicated_lines_density&view=list) [See analysis details on SonarQube Cloud](https://sonarcloud.io/dashboard?id=LizardByte_Sunshine&pullRequest=5966) 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Commits on Tue, Oct 20, 2026