| Current source version | Upgrade targets | 
                
                    
                        | 17.5 | None | 
                    
                        | 17.4 | 17.5, 17.4 | 
                    
                        | 16.9 | 17.5
                             | 
                    
                        | 16.8 | 17.5, 17.4 16.9 | 
                    
                        | 16.6 | 17.5, 17.4 16.9, 16.8 | 
                    
                        | 16.4 | 17.5, 17.4 16.9, 16.8, 16.6 | 
                    
                        | 16.3 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4 | 
                    
                        | 16.2 | 17.5, 17.4 16.9, 16.8
                                16.6, 16.4, 16.3 | 
                    
                        | 16.1 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4, 16.3, 16.2 | 
                    
                        | 15.13 | 17.5 16.9 | 
                    
                        | 15.12 | 17.5, 17.4 16.9, 16.8 
                                15.13 | 
                    
                        | 15.10 | 17.5, 17.4 
                                16.9, 16.8, 16.6
                             
                                15.13, 15.12
                             | 
                    
                        | 15.8 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4
                             
                                15.13, 15.12, 15.10
                             | 
                    
                        | 15.7 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3
                             
                                15.13, 15.12, 15.10, 15.8
                             | 
                    
                        | 15.6 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2
                             
                                15.13, 15.12, 15.10, 15.8, 15.7
                             | 
                    
                        | 15.5 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6
                             | 
                    
                        | 15.4 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5
                             | 
                    
                        | 15.3 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4
                             | 
                    
                        | 15.2 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3
                             | 
                    
                        | 14.18 | 17.5 
                                16.9
                             
                                15.13
                             | 
                    
                        | 14.17 | 17.5, 17.4 
                                16.9, 16.8
                             
                                15.13, 15.12
                             
                                14.18 | 
                    
                        | 14.15 | 17.5, 17.4 
                                16.9, 16.8, 16.6
                             
                                15.13, 15.12, 15.10
                             
                                14.18, 14.17
                             | 
                    
                        | 14.13 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4
                             
                                15.13, 15.12, 15.10, 15.8
                             
                                14.18, 14.17, 14.15
                             | 
                    
                        | 14.12 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3
                             
                                15.13, 15.12, 15.10, 15.8, 15.7
                             14.18, 14.17, 14.15, 14.13
                             | 
                    
                        | 14.11 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2
                             15.13, 15.12, 15.10, 15.8, 15.6
                             14.18, 14.17, 14.15, 14.13, 14.12
                             | 
                    
                        | 14.10 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5
                             14.18, 14.17, 14.15, 14.13, 14.12, 14.11
                             | 
                    
                        | 14.9 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4
                             14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10
                             | 
                    
                        | 14.8 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9
                             | 
                    
                        | 14.7 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8
                             | 
                    
                        | 14.6 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7
                             | 
                    
                        | 14.5 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7, 14.6
                             | 
                    
                        | 14.4 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7, 14.6, 14.5
                             | 
                    
                        | 14.3 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7, 14.6, 14.5, 14.4
                             | 
                    
                        | 13.21 | 17.5 
                                16.9
                             
                                15.13
                             
                                14.18
                             | 
                    
                        | 13.20 | 17.5, 17.4 
                                16.9, 16.8
                             
                                15.13, 15.12
                             
                                14.18, 14.17
                             
                                13.21
                             | 
                    
                        | 13.18 | 17.5, 17.4 16.9, 16.8, 16.6
                             
                                15.13, 15.12, 15.10
                             
                                14.18, 14.17, 14.15
                             
                                13.21, 13.20
                             | 
                    
                        | 13.16 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4
                             
                                15.13, 15.12, 15.10, 15.8
                             
                                14.18, 14.17, 14.15, 14.13
                             
                                13.21, 13.20, 13.18
                             | 
                    
                        | 13.15 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4, 16.3
                             
                                15.13, 15.12, 15.10, 15.8, 15.7
                             
                                14.18, 14.17, 14.15, 14.13, 14.12
                             
                                13.21, 13.20, 13.18, 13.16
                             | 
                    
                        | 13.14 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4, 16.3, 16.2
                             
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6
                             
                                14.18, 14.17, 14.15, 14.13, 14.11
                             
                                13.21, 13.20, 13.18, 13.16, 13.15
                             | 
                    
                        | 13.13 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10
                             
                                13.21, 13.20, 13.18, 13.16, 13.15, 13.14
                             | 
                    
                        | 13.12 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1 
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9
                             
                                13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13
                             | 
                    
                        | 13.11 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8
                             13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12
                             | 
                    
                        | 13.10 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7
                             
                                13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12, 13.11
                             | 
                    
                        | 13.9 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7, 14.6
                             
                                13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13,13.12, 13.11, 13.10
                             | 
                    
                        | 13.8 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7, 14.6, 14.5
                             
                                13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12, 13.11, 13.10, 13.9
                             | 
                    
                        | 13.7 | 17.5, 17.4 16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             
                                15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7, 14.6, 14.5, 14.4, 14.3
                             
                                13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12, 13.11, 13.10, 13.9, 13.8
                             | 
                    
                        | 12.22 | 17.5, 17.4 
                                16.9, 16.8, 16.6
                             15.13, 15.12, 15.10
                             14.18, 14.17, 14.15
                             13.21, 13.20, 13.18
                             | 
                    
                        | 12.20 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4
                             15.13, 15.12, 15.10, 15.8
                             
                                14.15, 14.13
                             13.21, 13.20, 13.18, 13.16
                             
                                12.22
                             | 
                    
                        | 12.19 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3
                             15.13, 15.12, 15.10, 15.8, 15.7
                             
                                14.18, 14.17, 14.15, 14.13, 14.12
                             13.21, 13.20, 13.18, 13.16, 13.15
                             
                                12.22, 12.20
                             | 
                    
                        | 12.18 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11
                             13.21, 13.20, 13.18, 13.16, 13.15, 13.14
                             
                                12.22, 12.20, 12.19
                             | 
                    
                        | 12.17 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10
                             13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13
                             
                                12.22, 12.20, 12.19, 12.18
                             | 
                    
                        | 12.16 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9
                             13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12
                             
                                12.22, 12.20, 12.19, 12.18, 12.17
                             | 
                    
                        | 12.15 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8
                             13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12, 13.11
                             
                                12.22, 12.20, 12.19, 12.18, 12.17, 12.16
                             | 
                    
                        | 12.14 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.5, 15.4, 15.3, 15.2
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7
                             13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12, 13.11, 13.10
                             
                                12.22, 12.20, 12.19, 12.18, 12.17, 12.16, 12.15
                             | 
                    
                        | 12.13 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7, 14.6
                             13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12, 13.11, 13.10, 13.9
                             
                                12.22, 12.20, 12.19, 12.18, 12.17, 12.16, 12.15, 12.14
                             | 
                    
                        | 12.12 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7, 14.6, 14.5
                             13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12, 13.11, 13.10, 13.9, 13.8
                             
                                12.22, 12.20, 12.19, 12.18, 12.17, 12.16, 12.15, 12.14, 12.13
                             | 
                    
                        | 12.11 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7, 14.5, 14.4, 14.3
                             13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12, 13.11, 13.10, 13.9, 13.8, 13.7
                             
                                12.22, 12.20, 12.19, 12.18, 12.17, 12.16, 12.15, 12.14, 12.13, 12.12
                             | 
                    
                        | 12.9 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7
                             13.21, 13.20, 13.18, 13.16, 13.14, 13.13, 13.12, 13.11, 13.10, 13.9, 13.8, 13.7
                             
                                12.22, 12.20, 12.19, 12.18, 12.17, 12.16, 12.15, 12.14, 12.13, 12.12, 12.11
                             | 
                    
                        | 11.21 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9
                             13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12
                             
                                12.22, 12.20, 12.19, 12.18, 12.17, 12.16
                             | 
                    
                        | 11.9 | 17.5, 17.4 
                                16.9, 16.8, 16.6, 16.4, 16.3, 16.2, 16.1
                             15.13, 15.12, 15.10, 15.8, 15.7, 15.6, 15.5, 15.4, 15.3, 15.2
                             
                                14.18, 14.17, 14.15, 14.13, 14.12, 14.11, 14.10, 14.9, 14.8, 14.7, 14.6
                             13.21, 13.20, 13.18, 13.16, 13.15, 13.14, 13.13, 13.12, 13.11, 13.10, 13.9
                             
                                12.22, 12.20, 12.19, 12.18, 12.17, 12.16, 12.15, 12.14, 12.13, 12.12, 12.11, 12.09
                             
                                11.21
                             |