1. 2019-03-30 [Bug 63291] CellFormat global cache isn't thread-safe poi-dev bugzilla 2. 2019-03-27 [Bug 63291] CellFormat global cache isn't thread-safe poi-dev bugzilla 3. 2019-03-27 [Bug 63291] CellFormat global cache isn't thread-safe poi-dev bugzilla 4. 2019-03-27 [Bug 63291] CellFormat global cache isn't thread-safe poi-dev bugzilla 5. 2019-03-27 [Bug 63291] CellFormat global cache isn't thread-safe poi-dev bugzilla 6. 2019-03-27 [Bug 63291] CellFormat global cache isn't thread-safe poi-dev bugzilla 7. 2019-03-27 [Bug 63291] CellFormat global cache isn't thread-safe poi-dev bugzilla 8. 2019-03-27 [Bug 63291] CellFormat global cache isn't thread-safe poi-dev bugzilla